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Posted to commits@doris.apache.org by he...@apache.org on 2025/11/05 14:11:49 UTC
(doris) branch master updated: [enhancement](filecache) use rocksdb to persist cache block meta (#57072)
This is an automated email from the ASF dual-hosted git repository.
hellostephen pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/doris.git
The following commit(s) were added to refs/heads/master by this push:
new 30406d6d827 [enhancement](filecache) use rocksdb to persist cache block meta (#57072)
30406d6d827 is described below
commit 30406d6d82730504a06b650604d04bd1d621f00b
Author: zhengyu <zh...@selectdb.com>
AuthorDate: Wed Nov 5 22:11:41 2025 +0800
[enhancement](filecache) use rocksdb to persist cache block meta (#57072)
---
be/src/common/config.cpp | 2 +
be/src/common/config.h | 1 +
be/src/io/cache/block_file_cache.cpp | 34 +-
be/src/io/cache/block_file_cache.h | 2 +
be/src/io/cache/cache_block_meta_store.cpp | 582 ++++++++++++++
be/src/io/cache/cache_block_meta_store.h | 142 ++++
be/src/io/cache/cached_remote_file_reader.cpp | 3 +
be/src/io/cache/file_block.cpp | 42 +-
be/src/io/cache/file_block.h | 9 +-
be/src/io/cache/file_cache_common.cpp | 84 +-
be/src/io/cache/file_cache_common.h | 11 +-
be/src/io/cache/file_cache_storage.h | 9 +-
be/src/io/cache/fs_file_cache_storage.cpp | 676 +++++++++-------
be/src/io/cache/fs_file_cache_storage.h | 40 +-
be/src/io/cache/mem_file_cache_storage.cpp | 9 +-
be/src/io/cache/mem_file_cache_storage.h | 8 +-
be/src/io/fs/hdfs_file_writer.cpp | 3 +-
be/src/io/fs/local_file_system.cpp | 1 +
be/src/io/fs/s3_file_writer.cpp | 10 +-
be/src/olap/rowset/segment_v2/segment_writer.cpp | 5 +-
be/test/io/cache/block_file_cache_test.cpp | 87 ++-
.../io/cache/block_file_cache_test_meta_store.cpp | 421 ++++++++++
be/test/io/cache/cache_block_meta_store_test.cpp | 860 +++++++++++++++++++++
gensrc/proto/file_cache.proto | 14 +
24 files changed, 2637 insertions(+), 418 deletions(-)
diff --git a/be/src/common/config.cpp b/be/src/common/config.cpp
index 1d3844b0379..606fdd406cf 100644
--- a/be/src/common/config.cpp
+++ b/be/src/common/config.cpp
@@ -1152,6 +1152,8 @@ DEFINE_mInt64(cache_lock_held_long_tail_threshold_us, "30000000");
DEFINE_mBool(enable_file_cache_keep_base_compaction_output, "false");
DEFINE_mBool(enable_file_cache_adaptive_write, "true");
DEFINE_mDouble(file_cache_keep_base_compaction_output_min_hit_ratio, "0.7");
+// if difference below this threshold, we consider cache's progressive upgrading (2.0->3.0) successful
+DEFINE_mDouble(file_cache_meta_store_vs_file_system_diff_num_threshold, "0.3");
DEFINE_mInt64(file_cache_remove_block_qps_limit, "1000");
DEFINE_mInt64(file_cache_background_gc_interval_ms, "100");
diff --git a/be/src/common/config.h b/be/src/common/config.h
index a31c0cf4296..2e105b36182 100644
--- a/be/src/common/config.h
+++ b/be/src/common/config.h
@@ -1175,6 +1175,7 @@ DECLARE_mInt64(cache_lock_held_long_tail_threshold_us);
DECLARE_mBool(enable_file_cache_keep_base_compaction_output);
DECLARE_mBool(enable_file_cache_adaptive_write);
DECLARE_mDouble(file_cache_keep_base_compaction_output_min_hit_ratio);
+DECLARE_mDouble(file_cache_meta_store_vs_file_system_diff_num_threshold);
DECLARE_mInt64(file_cache_remove_block_qps_limit);
DECLARE_mInt64(file_cache_background_gc_interval_ms);
DECLARE_mInt64(file_cache_background_block_lru_update_interval_ms);
diff --git a/be/src/io/cache/block_file_cache.cpp b/be/src/io/cache/block_file_cache.cpp
index 6ef30743588..b920c966d13 100644
--- a/be/src/io/cache/block_file_cache.cpp
+++ b/be/src/io/cache/block_file_cache.cpp
@@ -240,6 +240,8 @@ BlockFileCache::BlockFileCache(const std::string& cache_base_path,
_cache_base_path.c_str(), "file_cache_disk_limit_mode", 0);
_need_evict_cache_in_advance_metrics = std::make_shared<bvar::Status<size_t>>(
_cache_base_path.c_str(), "file_cache_need_evict_cache_in_advance", 0);
+ _meta_store_write_queue_size_metrics = std::make_shared<bvar::Status<size_t>>(
+ _cache_base_path.c_str(), "file_cache_meta_store_write_queue_size", 0);
_cache_lock_wait_time_us = std::make_shared<bvar::LatencyRecorder>(
_cache_base_path.c_str(), "file_cache_cache_lock_wait_time_us");
@@ -460,6 +462,7 @@ FileBlocks BlockFileCache::get_impl(const UInt128Wrapper& hash, const CacheConte
key.hash = hash;
key.meta.type = context.cache_type;
key.meta.expiration_time = context.expiration_time;
+ key.meta.tablet_id = context.tablet_id;
_storage->load_blocks_directly_unlocked(this, key, cache_lock);
it = _files.find(hash);
@@ -489,7 +492,7 @@ FileBlocks BlockFileCache::get_impl(const UInt128Wrapper& hash, const CacheConte
FileCacheType origin_type = cell.file_block->cache_type();
if (origin_type == FileCacheType::TTL) continue;
- st = cell.file_block->change_cache_type_between_ttl_and_others(FileCacheType::TTL);
+ st = cell.file_block->change_cache_type_lock(FileCacheType::TTL, cache_lock);
if (st.ok()) {
auto& queue = get_queue(origin_type);
queue.remove(cell.queue_iterator.value(), cache_lock);
@@ -533,8 +536,8 @@ FileBlocks BlockFileCache::get_impl(const UInt128Wrapper& hash, const CacheConte
for (auto& [_, cell] : file_blocks) {
auto cache_type = cell.file_block->cache_type();
if (cache_type != FileCacheType::TTL) continue;
- auto st = cell.file_block->change_cache_type_between_ttl_and_others(
- FileCacheType::NORMAL);
+ auto st =
+ cell.file_block->change_cache_type_lock(FileCacheType::NORMAL, cache_lock);
if (st.ok()) {
if (cell.queue_iterator) {
auto& ttl_queue = get_queue(FileCacheType::TTL);
@@ -702,6 +705,7 @@ FileBlocks BlockFileCache::split_range_into_cells(const UInt128Wrapper& hash,
key.offset = current_pos;
key.meta.type = context.cache_type;
key.meta.expiration_time = context.expiration_time;
+ key.meta.tablet_id = context.tablet_id;
auto file_block = std::make_shared<FileBlock>(key, current_size, this,
FileBlock::State::SKIP_CACHE);
file_blocks.push_back(std::move(file_block));
@@ -861,12 +865,13 @@ FileBlockCell* BlockFileCache::add_cell(const UInt128Wrapper& hash, const CacheC
key.offset = offset;
key.meta.type = context.cache_type;
key.meta.expiration_time = context.expiration_time;
+ key.meta.tablet_id = context.tablet_id;
FileBlockCell cell(std::make_shared<FileBlock>(key, size, this, state), cache_lock);
Status st;
if (context.expiration_time == 0 && context.cache_type == FileCacheType::TTL) {
- st = cell.file_block->change_cache_type_between_ttl_and_others(FileCacheType::NORMAL);
+ st = cell.file_block->change_cache_type_lock(FileCacheType::NORMAL, cache_lock);
} else if (context.cache_type != FileCacheType::TTL && context.expiration_time != 0) {
- st = cell.file_block->change_cache_type_between_ttl_and_others(FileCacheType::TTL);
+ st = cell.file_block->change_cache_type_lock(FileCacheType::TTL, cache_lock);
}
if (!st.ok()) {
LOG(WARNING) << "Cannot change cache type. expiration_time=" << context.expiration_time
@@ -1157,8 +1162,7 @@ bool BlockFileCache::remove_if_ttl_file_blocks(const UInt128Wrapper& file_key, b
}
if (cell.file_block->cache_type() == FileCacheType::NORMAL) continue;
- st = cell.file_block->change_cache_type_between_ttl_and_others(
- FileCacheType::NORMAL);
+ st = cell.file_block->change_cache_type_lock(FileCacheType::NORMAL, cache_lock);
if (st.ok()) {
if (cell.queue_iterator) {
ttl_queue.remove(cell.queue_iterator.value(), cache_lock);
@@ -1457,6 +1461,7 @@ void BlockFileCache::remove(FileBlockSPtr file_block, T& cache_lock, U& block_lo
auto offset = file_block->offset();
auto type = file_block->cache_type();
auto expiration_time = file_block->expiration_time();
+ auto tablet_id = file_block->tablet_id();
auto* cell = get_cell(hash, offset, cache_lock);
file_block->cell = nullptr;
DCHECK(cell);
@@ -1477,6 +1482,7 @@ void BlockFileCache::remove(FileBlockSPtr file_block, T& cache_lock, U& block_lo
key.offset = offset;
key.meta.type = type;
key.meta.expiration_time = expiration_time;
+ key.meta.tablet_id = tablet_id;
if (sync) {
int64_t duration_ns = 0;
Status st;
@@ -2009,6 +2015,18 @@ void BlockFileCache::run_background_monitor() {
_cur_disposable_queue_element_count_metrics->set_value(
_disposable_queue.get_elements_num(cache_lock));
+ // Update meta store write queue size if storage is FSFileCacheStorage
+ if (_storage->get_type() == FileCacheStorageType::DISK) {
+ auto* fs_storage = dynamic_cast<FSFileCacheStorage*>(_storage.get());
+ if (fs_storage != nullptr) {
+ auto* meta_store = fs_storage->get_meta_store();
+ if (meta_store != nullptr) {
+ _meta_store_write_queue_size_metrics->set_value(
+ meta_store->get_write_queue_size());
+ }
+ }
+ }
+
if (_num_read_blocks->get_value() > 0) {
_hit_ratio->set_value((double)_num_hit_blocks->get_value() /
(double)_num_read_blocks->get_value());
@@ -2214,7 +2232,7 @@ void BlockFileCache::modify_expiration_time(const UInt128Wrapper& hash,
FileCacheType origin_type = cell.file_block->cache_type();
if (origin_type == FileCacheType::TTL) continue;
- st = cell.file_block->change_cache_type_between_ttl_and_others(FileCacheType::TTL);
+ st = cell.file_block->change_cache_type_lock(FileCacheType::TTL, cache_lock);
if (st.ok()) {
auto& queue = get_queue(origin_type);
queue.remove(cell.queue_iterator.value(), cache_lock);
diff --git a/be/src/io/cache/block_file_cache.h b/be/src/io/cache/block_file_cache.h
index 97299d241ab..7e8c06ad740 100644
--- a/be/src/io/cache/block_file_cache.h
+++ b/be/src/io/cache/block_file_cache.h
@@ -100,6 +100,7 @@ struct FileBlockCell {
size_t size() const { return file_block->_block_range.size(); }
+ FileBlockCell() = default;
FileBlockCell(FileBlockSPtr file_block, std::lock_guard<std::mutex>& cache_lock);
FileBlockCell(FileBlockCell&& other) noexcept
: file_block(std::move(other.file_block)),
@@ -553,6 +554,7 @@ private:
std::shared_ptr<bvar::Status<double>> _no_warmup_hit_ratio_1h;
std::shared_ptr<bvar::Status<size_t>> _disk_limit_mode_metrics;
std::shared_ptr<bvar::Status<size_t>> _need_evict_cache_in_advance_metrics;
+ std::shared_ptr<bvar::Status<size_t>> _meta_store_write_queue_size_metrics;
std::shared_ptr<bvar::LatencyRecorder> _cache_lock_wait_time_us;
std::shared_ptr<bvar::LatencyRecorder> _get_or_set_latency_us;
diff --git a/be/src/io/cache/cache_block_meta_store.cpp b/be/src/io/cache/cache_block_meta_store.cpp
new file mode 100644
index 00000000000..433bee7a275
--- /dev/null
+++ b/be/src/io/cache/cache_block_meta_store.cpp
@@ -0,0 +1,582 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements. See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership. The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+#include "io/cache/cache_block_meta_store.h"
+
+#include <butil/logging.h>
+#include <bvar/bvar.h>
+#include <fmt/format.h>
+#include <rocksdb/db.h>
+#include <rocksdb/filter_policy.h>
+#include <rocksdb/table.h>
+
+#include <algorithm>
+#include <cstring>
+#include <filesystem>
+#include <optional>
+#include <sstream>
+#include <string_view>
+
+#include "common/status.h"
+#include "olap/field.h"
+#include "olap/field.h" // For OLAP_FIELD_TYPE_BIGINT
+#include "olap/key_coder.h"
+#include "olap/olap_common.h"
+#include "util/threadpool.h"
+#include "vec/common/hex.h"
+
+namespace doris::io {
+
+const std::string FILE_CACHE_META_COLUMN_FAMILY = "file_cache_meta";
+
+// bvar metrics for rocksdb operation failures
+bvar::Adder<uint64_t> g_rocksdb_write_failed_num("file_cache_meta_rocksdb_write_failed_num");
+bvar::Adder<uint64_t> g_rocksdb_delete_failed_num("file_cache_meta_rocksdb_delete_failed_num");
+
+CacheBlockMetaStore::CacheBlockMetaStore(const std::string& db_path, size_t queue_size)
+ : _db_path(db_path), _write_queue(queue_size) {
+ auto status = init();
+ if (!status.ok()) {
+ LOG(ERROR) << "Failed to initialize CacheBlockMetaStore: " << status.to_string();
+ }
+}
+
+CacheBlockMetaStore::~CacheBlockMetaStore() {
+ _stop_worker.store(true, std::memory_order_release);
+ if (_write_thread.joinable()) {
+ _write_thread.join();
+ }
+
+ if (_db) {
+ if (_file_cache_meta_cf_handle) {
+ _db->DestroyColumnFamilyHandle(_file_cache_meta_cf_handle.release());
+ }
+ _db->Close();
+ }
+}
+
+size_t CacheBlockMetaStore::get_write_queue_size() const {
+ return _write_queue.size_approx();
+}
+
+Status CacheBlockMetaStore::init() {
+ std::filesystem::create_directories(_db_path);
+
+ _options.create_if_missing = true;
+ _options.create_missing_column_families = true;
+ _options.error_if_exists = false;
+ _options.compression = rocksdb::kNoCompression;
+ _options.max_open_files = 1000;
+ _options.write_buffer_size = 64 * 1024 * 1024; // 64MB
+ _options.target_file_size_base = 64 * 1024 * 1024;
+
+ rocksdb::BlockBasedTableOptions table_options;
+ table_options.filter_policy.reset(rocksdb::NewBloomFilterPolicy(10, false));
+ table_options.block_size = 16 * 1024;
+ _options.table_factory.reset(rocksdb::NewBlockBasedTableFactory(table_options));
+
+ // Create column family descriptors
+ std::vector<rocksdb::ColumnFamilyDescriptor> column_families;
+ // Default column family is required
+ column_families.emplace_back(rocksdb::kDefaultColumnFamilyName, rocksdb::ColumnFamilyOptions());
+ // File cache meta column family
+ column_families.emplace_back(FILE_CACHE_META_COLUMN_FAMILY, rocksdb::ColumnFamilyOptions());
+
+ std::vector<rocksdb::ColumnFamilyHandle*> handles;
+ rocksdb::DB* db_ptr = nullptr;
+ rocksdb::Status status =
+ rocksdb::DB::Open(_options, _db_path, column_families, &handles, &db_ptr);
+
+ if (!status.ok()) {
+ LOG(WARNING) << "Failed to open rocksdb: " << status.ToString()
+ << "Database path: " << _db_path;
+ return Status::InternalError("Failed to open rocksdb: {}", status.ToString());
+ }
+ _db.reset(db_ptr);
+
+ // Store the file_cache_meta column family handle
+ // handles[0] is default column family, handles[1] is file_cache_meta
+ if (handles.size() >= 2) {
+ _file_cache_meta_cf_handle.reset(handles[1]);
+ // Close default column family handle as we won't use it
+ _db->DestroyColumnFamilyHandle(handles[0]);
+ } else {
+ return Status::InternalError("Failed to get file_cache_meta column family handle");
+ }
+
+ _write_thread = std::thread(&CacheBlockMetaStore::async_write_worker, this);
+
+ return Status::OK();
+}
+
+void CacheBlockMetaStore::put(const BlockMetaKey& key, const BlockMeta& meta) {
+ std::string key_str = serialize_key(key);
+ std::string value_str = serialize_value(meta);
+
+ // Put write task into queue for asynchronous processing
+ WriteOperation op;
+ op.type = OperationType::PUT;
+ op.key = key_str;
+ op.value = value_str;
+ _write_queue.enqueue(op);
+}
+
+std::optional<BlockMeta> CacheBlockMetaStore::get(const BlockMetaKey& key) {
+ // we trade accurate for clean code. so we ignore pending operations in the write queue
+ // only use data in rocksdb
+ std::string key_str = serialize_key(key);
+ std::string value_str;
+ rocksdb::Status status;
+
+ if (!_db) {
+ LOG(WARNING) << "Database not initialized, cannot get key";
+ return std::nullopt;
+ }
+ status =
+ _db->Get(rocksdb::ReadOptions(), _file_cache_meta_cf_handle.get(), key_str, &value_str);
+
+ if (status.ok()) {
+ Status deserialize_status;
+ auto result = deserialize_value(value_str, &deserialize_status);
+ if (result.has_value()) {
+ return result;
+ } else {
+ LOG(WARNING) << "Failed to deserialize value: " << deserialize_status.to_string();
+ return std::nullopt;
+ }
+ } else if (status.IsNotFound()) {
+ return std::nullopt;
+ } else {
+ LOG(WARNING) << "Failed to get key from rocksdb: " << status.ToString();
+ return std::nullopt;
+ }
+}
+
+std::unique_ptr<BlockMetaIterator> CacheBlockMetaStore::range_get(int64_t tablet_id) {
+ // Generate prefix using new serialization format
+ std::string prefix;
+ prefix.push_back(0x1); // version byte
+ auto* tablet_id_coder = get_key_coder(FieldType::OLAP_FIELD_TYPE_BIGINT);
+ tablet_id_coder->full_encode_ascending(&tablet_id, &prefix);
+
+ class RocksDBIterator : public BlockMetaIterator {
+ public:
+ RocksDBIterator(rocksdb::Iterator* iter, const std::string& prefix)
+ : _iter(iter),
+ _prefix(prefix),
+ _last_key_error(Status::OK()),
+ _last_value_error(Status::OK()) {
+ _iter->Seek(_prefix);
+ }
+
+ ~RocksDBIterator() override { delete _iter; }
+
+ bool valid() const override {
+ if (!_iter->Valid()) return false;
+ Slice key_slice(_iter->key().data(), _prefix.size());
+ return key_slice.compare(Slice(_prefix)) == 0;
+ }
+
+ void next() override { _iter->Next(); }
+
+ BlockMetaKey key() const override {
+ // Reset error state
+ _last_key_error = Status::OK();
+
+ auto key_view = std::string_view(_iter->key().data(), _iter->key().size());
+ Status status;
+ auto result = deserialize_key(std::string(key_view), &status);
+
+ if (!result.has_value()) {
+ _last_key_error = status;
+ LOG(WARNING) << "Failed to deserialize key in range_get: " << status.to_string();
+ // error indicator, caller should check get_last_key_error
+ return BlockMetaKey(-1, UInt128Wrapper(0), 0);
+ }
+
+ return result.value();
+ }
+
+ BlockMeta value() const override {
+ // Reset error state
+ _last_value_error = Status::OK();
+
+ auto value_view = std::string_view(_iter->value().data(), _iter->value().size());
+ Status status;
+ auto result = deserialize_value(value_view, &status);
+
+ if (!result.has_value()) {
+ _last_value_error = status;
+ LOG(WARNING) << "Failed to deserialize value in range_get: " << status.to_string();
+ // error indicator, caller should check get_last_value_error
+ return BlockMeta(FileCacheType::DISPOSABLE, 0, 0);
+ }
+
+ VLOG_DEBUG << "RocksDB value: " << value_view
+ << ", deserialized as: type=" << result->type << ", size=" << result->size
+ << ", ttl=" << result->ttl;
+ return result.value();
+ }
+
+ Status get_last_key_error() const override { return _last_key_error; }
+ Status get_last_value_error() const override { return _last_value_error; }
+
+ private:
+ rocksdb::Iterator* _iter;
+ std::string _prefix;
+ mutable Status _last_key_error;
+ mutable Status _last_value_error;
+ };
+
+ if (!_db) {
+ LOG(WARNING) << "Database not initialized, cannot create iterator";
+ return nullptr;
+ }
+ rocksdb::Iterator* iter =
+ _db->NewIterator(rocksdb::ReadOptions(), _file_cache_meta_cf_handle.get());
+ return std::unique_ptr<BlockMetaIterator>(new RocksDBIterator(iter, prefix));
+}
+
+std::unique_ptr<BlockMetaIterator> CacheBlockMetaStore::get_all() {
+ if (!_db) {
+ LOG(WARNING) << "Database not initialized in get_all()";
+ return nullptr;
+ }
+
+ class RocksDBIterator : public BlockMetaIterator {
+ public:
+ RocksDBIterator(rocksdb::Iterator* iter)
+ : _iter(iter), _last_key_error(Status::OK()), _last_value_error(Status::OK()) {
+ _iter->SeekToFirst();
+ }
+
+ ~RocksDBIterator() override { delete _iter; }
+
+ bool valid() const override { return _iter->Valid(); }
+
+ void next() override { _iter->Next(); }
+
+ BlockMetaKey key() const override {
+ // Reset error state
+ _last_key_error = Status::OK();
+
+ auto key_view = std::string_view(_iter->key().data(), _iter->key().size());
+ Status status;
+ auto result = deserialize_key(std::string(key_view), &status);
+
+ if (!result.has_value()) {
+ _last_key_error = status;
+ LOG(WARNING) << "Failed to deserialize key in get_all: " << status.to_string();
+ // 返回一个无效的键作为错误指示，调用方应该检查错误状态
+ return BlockMetaKey(-1, UInt128Wrapper(0), 0); // 使用无效值作为错误指示
+ }
+
+ return result.value();
+ }
+
+ BlockMeta value() const override {
+ // Reset error state
+ _last_value_error = Status::OK();
+
+ auto value_view = std::string_view(_iter->value().data(), _iter->value().size());
+ Status status;
+ auto result = deserialize_value(value_view, &status);
+
+ if (!result.has_value()) {
+ _last_value_error = status;
+ LOG(WARNING) << "Failed to deserialize value in get_all: " << status.to_string();
+ // error indicator, caller should check get_last_value_error
+ return BlockMeta(FileCacheType::DISPOSABLE, 0, 0);
+ }
+
+ VLOG_DEBUG << "RocksDB value: " << value_view
+ << ", deserialized as: type=" << result->type << ", size=" << result->size
+ << ", ttl=" << result->ttl;
+ return result.value();
+ }
+
+ Status get_last_key_error() const override { return _last_key_error; }
+ Status get_last_value_error() const override { return _last_value_error; }
+
+ private:
+ rocksdb::Iterator* _iter;
+ mutable Status _last_key_error;
+ mutable Status _last_value_error;
+ };
+
+ rocksdb::Iterator* iter =
+ _db->NewIterator(rocksdb::ReadOptions(), _file_cache_meta_cf_handle.get());
+ if (!iter) {
+ LOG(WARNING) << "Failed to create rocksdb iterator in get_all()";
+ return nullptr;
+ }
+ return std::unique_ptr<BlockMetaIterator>(new RocksDBIterator(iter));
+}
+
+void CacheBlockMetaStore::delete_key(const BlockMetaKey& key) {
+ std::string key_str = serialize_key(key);
+
+ // Put delete task into queue for asynchronous processing
+ WriteOperation op;
+ op.type = OperationType::DELETE;
+ op.key = key_str;
+ _write_queue.enqueue(op);
+}
+
+void CacheBlockMetaStore::clear() {
+ // First, stop the async worker thread
+ _stop_worker.store(true, std::memory_order_release);
+ if (_write_thread.joinable()) {
+ _write_thread.join();
+ }
+
+ // Clear the write queue to remove any pending operations
+ WriteOperation op;
+ while (_write_queue.try_dequeue(op)) {
+ // Just discard all pending operations
+ }
+
+ // Delete all records from rocksdb
+
+ if (_db) {
+ // Use DeleteRange to delete all keys
+ rocksdb::Slice start = "";
+ rocksdb::Slice end = "\xff\xff\xff\xff"; // Maximum byte sequence
+ rocksdb::Status status = _db->DeleteRange(rocksdb::WriteOptions(),
+ _file_cache_meta_cf_handle.get(), start, end);
+ if (!status.ok()) {
+ LOG(WARNING) << "Failed to delete range from rocksdb: " << status.ToString();
+ }
+ }
+
+ // Restart the async worker thread
+ _stop_worker.store(false, std::memory_order_release);
+ _write_thread = std::thread(&CacheBlockMetaStore::async_write_worker, this);
+}
+
+void CacheBlockMetaStore::async_write_worker() {
+ Thread::set_self_name("cache_block_meta_store_async_write_worker");
+ while (!_stop_worker.load(std::memory_order_acquire)) {
+ WriteOperation op;
+
+ if (_write_queue.try_dequeue(op)) {
+ rocksdb::Status status;
+
+ if (!_db) {
+ LOG(WARNING) << "Database not initialized, skipping operation";
+ continue;
+ }
+
+ if (op.type == OperationType::PUT) {
+ status = _db->Put(rocksdb::WriteOptions(), _file_cache_meta_cf_handle.get(), op.key,
+ op.value);
+ } else if (op.type == OperationType::DELETE) {
+ status = _db->Delete(rocksdb::WriteOptions(), _file_cache_meta_cf_handle.get(),
+ op.key);
+ }
+
+ if (!status.ok()) {
+ LOG(WARNING) << "Failed to " << (op.type == OperationType::PUT ? "write" : "delete")
+ << " to rocksdb: " << status.ToString();
+ if (op.type == OperationType::PUT) {
+ g_rocksdb_write_failed_num << 1;
+ } else {
+ g_rocksdb_delete_failed_num << 1;
+ }
+ }
+ } else {
+ // Queue is empty, sleep briefly
+ std::this_thread::sleep_for(std::chrono::milliseconds(1));
+ }
+ }
+
+ // Process remaining tasks in the queue
+ WriteOperation op;
+ while (_write_queue.try_dequeue(op)) {
+ rocksdb::Status status;
+
+ if (!_db) {
+ LOG(WARNING) << "Database not initialized, skipping operation";
+ continue;
+ }
+
+ if (op.type == OperationType::PUT) {
+ status = _db->Put(rocksdb::WriteOptions(), _file_cache_meta_cf_handle.get(), op.key,
+ op.value);
+ } else if (op.type == OperationType::DELETE) {
+ status = _db->Delete(rocksdb::WriteOptions(), _file_cache_meta_cf_handle.get(), op.key);
+ }
+
+ if (!status.ok()) {
+ LOG(WARNING) << "Failed to " << (op.type == OperationType::PUT ? "write" : "delete")
+ << " to rocksdb: " << status.ToString();
+ }
+ }
+}
+
+std::string serialize_key(const BlockMetaKey& key) {
+ std::string result;
+ // Add version byte
+ result.push_back(0x1);
+
+ // Encode tablet_id using KeyCoderTraits
+ auto* tablet_id_coder = get_key_coder(FieldType::OLAP_FIELD_TYPE_BIGINT);
+ tablet_id_coder->full_encode_ascending(&key.tablet_id, &result);
+
+ // Encode hash high and low parts
+ uint64_t hash_high = key.hash.high();
+ uint64_t hash_low = key.hash.low();
+ tablet_id_coder->full_encode_ascending(&hash_high, &result);
+ tablet_id_coder->full_encode_ascending(&hash_low, &result);
+
+ // Encode offset
+ tablet_id_coder->full_encode_ascending(&key.offset, &result);
+
+ return result;
+}
+
+std::string serialize_value(const BlockMeta& meta) {
+ doris::io::cache::BlockMetaPb pb;
+ pb.set_type(static_cast<::doris::io::cache::FileCacheType>(meta.type));
+ pb.set_size(meta.size);
+ pb.set_ttl(meta.ttl);
+
+ std::string result;
+ pb.SerializeToString(&result);
+ return result;
+}
+
+std::optional<BlockMetaKey> deserialize_key(const std::string& key_str, Status* status) {
+ // New key format: [version][encoded tablet_id][encoded hash_high][encoded hash_low][encoded offset]
+ Slice slice(key_str);
+
+ // Check version byte
+ if (slice.size < 1 || slice.data[0] != 0x1) {
+ LOG(WARNING) << "Invalid key, expected prefix 0x1";
+ if (status) *status = Status::InternalError("Failed to decode key: invalid version");
+ return std::nullopt; // Invalid version
+ }
+ slice.remove_prefix(1); // skip version byte
+
+ auto* tablet_id_coder = get_key_coder(FieldType::OLAP_FIELD_TYPE_BIGINT);
+ int64_t tablet_id;
+ uint64_t hash_high, hash_low;
+ size_t offset;
+
+ Status st = tablet_id_coder->decode_ascending(&slice, sizeof(int64_t),
+ reinterpret_cast<uint8_t*>(&tablet_id));
+ if (!st.ok()) {
+ if (status)
+ *status = Status::InternalError("Failed to decode tablet_id: {}", st.to_string());
+ return std::nullopt;
+ }
+
+ st = tablet_id_coder->decode_ascending(&slice, sizeof(uint64_t),
+ reinterpret_cast<uint8_t*>(&hash_high));
+ if (!st.ok()) {
+ if (status)
+ *status = Status::InternalError("Failed to decode hash_high: {}", st.to_string());
+ return std::nullopt;
+ }
+
+ st = tablet_id_coder->decode_ascending(&slice, sizeof(uint64_t),
+ reinterpret_cast<uint8_t*>(&hash_low));
+ if (!st.ok()) {
+ if (status)
+ *status = Status::InternalError("Failed to decode hash_low: {}", st.to_string());
+ return std::nullopt;
+ }
+
+ st = tablet_id_coder->decode_ascending(&slice, sizeof(size_t),
+ reinterpret_cast<uint8_t*>(&offset));
+ if (!st.ok()) {
+ if (status) *status = Status::InternalError("Failed to decode offset: {}", st.to_string());
+ return std::nullopt;
+ }
+
+ uint128_t hash = (static_cast<uint128_t>(hash_high) << 64) | hash_low;
+ if (status) *status = Status::OK();
+ return BlockMetaKey(tablet_id, UInt128Wrapper(hash), offset);
+}
+
+std::optional<BlockMeta> deserialize_value(const std::string& value_str, Status* status) {
+ if (value_str.empty()) {
+ if (status) *status = Status::InternalError("Failed to deserialize value");
+ return std::nullopt;
+ }
+
+ // Parse as protobuf format
+ doris::io::cache::BlockMetaPb pb;
+ if (pb.ParseFromString(value_str)) {
+ // Validate the parsed protobuf data
+ int type = pb.type();
+ if (type < 0 || type > 3) { // Valid FileCacheType values: 0-3
+ LOG(WARNING) << "Invalid FileCacheType value: " << type;
+ if (status)
+ *status = Status::InternalError("Failed to deserialize value: invalid type");
+ return std::nullopt;
+ }
+ if (pb.size() <= 0) {
+ LOG(WARNING) << "Invalid size value: " << pb.size();
+ if (status)
+ *status = Status::InternalError("Failed to deserialize value: invalid size");
+ return std::nullopt;
+ }
+
+ if (status) *status = Status::OK();
+ return BlockMeta(static_cast<FileCacheType>(pb.type()), pb.size(), pb.ttl());
+ }
+
+ LOG(WARNING) << "Failed to deserialize value as protobuf: " << value_str;
+ if (status) *status = Status::InternalError("Failed to deserialize value");
+ return std::nullopt;
+}
+
+std::optional<BlockMeta> deserialize_value(std::string_view value_view, Status* status) {
+ if (value_view.empty()) {
+ if (status) *status = Status::InternalError("Failed to deserialize value");
+ return std::nullopt;
+ }
+
+ // Parse as protobuf format using string_view
+ doris::io::cache::BlockMetaPb pb;
+ if (pb.ParseFromArray(value_view.data(), static_cast<int>(value_view.size()))) {
+ // Validate the parsed protobuf data
+ int type = pb.type();
+ if (type < 0 || type > 3) { // Valid FileCacheType values: 0-3
+ LOG(WARNING) << "Invalid FileCacheType value: " << type;
+ if (status)
+ *status = Status::InternalError("Failed to deserialize value: invalid type");
+ return std::nullopt;
+ }
+ if (pb.size() <= 0) {
+ LOG(WARNING) << "Invalid size value: " << pb.size();
+ if (status)
+ *status = Status::InternalError("Failed to deserialize value: invalid size");
+ return std::nullopt;
+ }
+
+ if (status) *status = Status::OK();
+ return BlockMeta(static_cast<FileCacheType>(pb.type()), pb.size(), pb.ttl());
+ }
+
+ LOG(WARNING) << "Failed to deserialize value as protobuf from string_view";
+ if (status) *status = Status::InternalError("Failed to deserialize value");
+ return std::nullopt;
+}
+
+} // namespace doris::io
\ No newline at end of file
diff --git a/be/src/io/cache/cache_block_meta_store.h b/be/src/io/cache/cache_block_meta_store.h
new file mode 100644
index 00000000000..9412e58f4fe
--- /dev/null
+++ b/be/src/io/cache/cache_block_meta_store.h
@@ -0,0 +1,142 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements. See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership. The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+#pragma once
+
+#include <concurrentqueue.h>
+#include <rocksdb/db.h>
+#include <rocksdb/options.h>
+#include <rocksdb/slice.h>
+#include <rocksdb/status.h>
+
+#include <atomic>
+#include <memory>
+#include <mutex>
+#include <string>
+#include <thread>
+#include <variant>
+#include <vector>
+
+#include "gen_cpp/file_cache.pb.h"
+#include "io/cache/file_cache_common.h"
+#include "util/threadpool.h"
+
+namespace doris::io {
+
+struct BlockMeta {
+ FileCacheType type;
+ size_t size;
+ uint64_t ttl;
+
+ BlockMeta() : type(DISPOSABLE), size(0), ttl(0) {}
+ BlockMeta(FileCacheType type_, size_t size_) : type(type_), size(size_), ttl(0) {}
+ BlockMeta(FileCacheType type_, size_t size_, uint64_t ttl_)
+ : type(type_), size(size_), ttl(ttl_) {}
+
+ bool operator==(const BlockMeta& other) const {
+ return type == other.type && size == other.size && ttl == other.ttl;
+ }
+};
+
+struct BlockMetaKey {
+ int64_t tablet_id;
+ UInt128Wrapper hash;
+ size_t offset;
+
+ BlockMetaKey() : tablet_id(0), hash(UInt128Wrapper(0)), offset(0) {}
+ BlockMetaKey(int64_t tablet_id_, UInt128Wrapper hash_, size_t offset_)
+ : tablet_id(tablet_id_), hash(hash_), offset(offset_) {}
+
+ bool operator==(const BlockMetaKey& other) const {
+ return tablet_id == other.tablet_id && hash == other.hash && offset == other.offset;
+ }
+
+ std::string to_string() const {
+ return std::to_string(tablet_id) + "_" + hash.to_string() + "_" + std::to_string(offset);
+ }
+};
+
+class BlockMetaIterator {
+public:
+ virtual ~BlockMetaIterator() = default;
+ virtual bool valid() const = 0;
+ virtual void next() = 0;
+ virtual BlockMetaKey key() const = 0;
+ virtual BlockMeta value() const = 0;
+
+ // Error status query methods
+ virtual Status get_last_key_error() const { return Status::OK(); }
+ virtual Status get_last_value_error() const { return Status::OK(); }
+};
+
+class CacheBlockMetaStore {
+public:
+ CacheBlockMetaStore(const std::string& db_path, size_t queue_size = 1000);
+ ~CacheBlockMetaStore();
+
+ Status init();
+
+ // Asynchronously write BlockMeta to rocksdb
+ void put(const BlockMetaKey& key, const BlockMeta& meta);
+
+ // Synchronously get BlockMeta
+ std::optional<BlockMeta> get(const BlockMetaKey& key);
+
+ // Range query all BlockMeta for specified tablet_id
+ std::unique_ptr<BlockMetaIterator> range_get(int64_t tablet_id);
+
+ // Get iterator for all BlockMeta records
+ std::unique_ptr<BlockMetaIterator> get_all();
+
+ // Asynchronously delete specified BlockMeta
+ void delete_key(const BlockMetaKey& key);
+
+ // Clear all records from rocksdb and the async queue
+ void clear();
+
+ // Get the approximate size of the write queue
+ size_t get_write_queue_size() const;
+
+private:
+ void async_write_worker();
+
+ std::string _db_path;
+ std::unique_ptr<rocksdb::DB> _db;
+ rocksdb::Options _options;
+ std::unique_ptr<rocksdb::ColumnFamilyHandle> _file_cache_meta_cf_handle;
+
+ enum class OperationType { PUT, DELETE };
+ struct WriteOperation {
+ OperationType type;
+ std::string key;
+ std::string value; // Only used for PUT operations
+ };
+ moodycamel::ConcurrentQueue<WriteOperation> _write_queue;
+ std::atomic<bool> _stop_worker {false};
+ std::thread _write_thread;
+ std::mutex _queue_mutex;
+
+ std::unique_ptr<ThreadPool> _thread_pool;
+};
+
+std::string serialize_key(const BlockMetaKey& key);
+std::string serialize_value(const BlockMeta& meta);
+std::optional<BlockMetaKey> deserialize_key(const std::string& key_str, Status* status = nullptr);
+std::optional<BlockMeta> deserialize_value(const std::string& value_str, Status* status = nullptr);
+std::optional<BlockMeta> deserialize_value(std::string_view value_view, Status* status = nullptr);
+
+} // namespace doris::io
\ No newline at end of file
diff --git a/be/src/io/cache/cached_remote_file_reader.cpp b/be/src/io/cache/cached_remote_file_reader.cpp
index e25fbfaf6be..60d14b841e1 100644
--- a/be/src/io/cache/cached_remote_file_reader.cpp
+++ b/be/src/io/cache/cached_remote_file_reader.cpp
@@ -42,6 +42,7 @@
#include "io/cache/block_file_cache_factory.h"
#include "io/cache/block_file_cache_profile.h"
#include "io/cache/file_block.h"
+#include "io/cache/file_cache_common.h"
#include "io/cache/peer_file_cache_reader.h"
#include "io/fs/file_reader.h"
#include "io/fs/local_file_system.h"
@@ -373,6 +374,8 @@ Status CachedRemoteFileReader::read_at_impl(size_t offset, Slice result, size_t*
s_align_size(offset + already_read, bytes_req - already_read, size());
CacheContext cache_context(io_ctx);
cache_context.stats = &stats;
+ auto tablet_id = get_tablet_id(path().string());
+ cache_context.tablet_id = tablet_id.value_or(0);
MonotonicStopWatch sw;
sw.start();
FileBlocksHolder holder =
diff --git a/be/src/io/cache/file_block.cpp b/be/src/io/cache/file_block.cpp
index 731c1d311e6..fd5c3a478f1 100644
--- a/be/src/io/cache/file_block.cpp
+++ b/be/src/io/cache/file_block.cpp
@@ -114,7 +114,7 @@ void FileBlock::reset_downloader_impl(std::lock_guard<std::mutex>& block_lock) {
Status FileBlock::set_downloaded(std::lock_guard<std::mutex>& /* block_lock */) {
DCHECK(_download_state != State::DOWNLOADED);
DCHECK_NE(_downloaded_size, 0);
- Status status = _mgr->_storage->finalize(_key);
+ Status status = _mgr->_storage->finalize(_key, this->_block_range.size());
if (status.ok()) [[likely]] {
_download_state = State::DOWNLOADED;
} else {
@@ -165,41 +165,22 @@ Status FileBlock::read(Slice buffer, size_t read_offset) {
return _mgr->_storage->read(_key, read_offset, buffer);
}
-Status FileBlock::change_cache_type_between_ttl_and_others(FileCacheType new_type) {
- std::lock_guard block_lock(_mutex);
- DCHECK(new_type != _key.meta.type);
- bool expr = (new_type == FileCacheType::TTL || _key.meta.type == FileCacheType::TTL);
- if (!expr) {
- LOG(WARNING) << "none of the cache type is TTL"
- << ", hash: " << _key.hash.to_string() << ", offset: " << _key.offset
- << ", new type: " << cache_type_to_string(new_type)
- << ", old type: " << cache_type_to_string(_key.meta.type);
- }
- DCHECK(expr);
-
- // change cache type between TTL to others don't need to rename the filename suffix
- _key.meta.type = new_type;
- return Status::OK();
+Status FileBlock::change_cache_type(FileCacheType new_type) {
+ SCOPED_CACHE_LOCK(_mgr->_mutex, _mgr);
+ return change_cache_type_lock(new_type, cache_lock);
}
-Status FileBlock::change_cache_type_between_normal_and_index(FileCacheType new_type) {
- SCOPED_CACHE_LOCK(_mgr->_mutex, _mgr);
+Status FileBlock::change_cache_type_lock(FileCacheType new_type,
+ std::lock_guard<std::mutex>& cache_lock) {
std::lock_guard block_lock(_mutex);
- bool expr = (new_type != FileCacheType::TTL && _key.meta.type != FileCacheType::TTL);
- if (!expr) {
- LOG(WARNING) << "one of the cache type is TTL"
- << ", hash: " << _key.hash.to_string() << ", offset: " << _key.offset
- << ", new type: " << cache_type_to_string(new_type)
- << ", old type: " << cache_type_to_string(_key.meta.type);
- }
- DCHECK(expr);
- if (_key.meta.type == FileCacheType::TTL || new_type == _key.meta.type) {
+
+ if (new_type == _key.meta.type) {
return Status::OK();
}
if (_download_state == State::DOWNLOADED) {
Status st;
TEST_SYNC_POINT_CALLBACK("FileBlock::change_cache_type", &st);
- RETURN_IF_ERROR(_mgr->_storage->change_key_meta_type(_key, new_type));
+ RETURN_IF_ERROR(_mgr->_storage->change_key_meta_type(_key, new_type, _block_range.size()));
}
_mgr->change_cache_type(_key.hash, _block_range.left, new_type, cache_lock);
_key.meta.type = new_type;
@@ -209,8 +190,9 @@ Status FileBlock::change_cache_type_between_normal_and_index(FileCacheType new_t
Status FileBlock::update_expiration_time(uint64_t expiration_time) {
std::lock_guard block_lock(_mutex);
if (_download_state == State::DOWNLOADED) {
- auto st = _mgr->_storage->change_key_meta_expiration(_key, expiration_time);
- if (!st.ok() && !st.is<ErrorCode::NOT_FOUND>()) {
+ auto st = _mgr->_storage->change_key_meta_expiration(_key, expiration_time,
+ _block_range.size());
+ if (!st.ok()) {
return st;
}
}
diff --git a/be/src/io/cache/file_block.h b/be/src/io/cache/file_block.h
index 9cc4f06c6f0..9ccb9a95870 100644
--- a/be/src/io/cache/file_block.h
+++ b/be/src/io/cache/file_block.h
@@ -114,13 +114,18 @@ public:
FileCacheType cache_type() const { return _key.meta.type; }
+ int64_t tablet_id() const { return _key.meta.tablet_id; }
+
+ void set_tablet_id(int64_t id) { _key.meta.tablet_id = id; }
+
static uint64_t get_caller_id();
std::string get_info_for_log() const;
- [[nodiscard]] Status change_cache_type_between_ttl_and_others(FileCacheType new_type);
+ [[nodiscard]] Status change_cache_type(FileCacheType new_type);
- [[nodiscard]] Status change_cache_type_between_normal_and_index(FileCacheType new_type);
+ [[nodiscard]] Status change_cache_type_lock(FileCacheType new_type,
+ std::lock_guard<std::mutex>&);
[[nodiscard]] Status update_expiration_time(uint64_t expiration_time);
diff --git a/be/src/io/cache/file_cache_common.cpp b/be/src/io/cache/file_cache_common.cpp
index a8b86a2996e..424bc84e49e 100644
--- a/be/src/io/cache/file_cache_common.cpp
+++ b/be/src/io/cache/file_cache_common.cpp
@@ -133,8 +133,8 @@ std::string UInt128Wrapper::to_string() const {
return vectorized::get_hex_uint_lowercase(value_);
}
-FileBlocksHolderPtr FileCacheAllocatorBuilder::allocate_cache_holder(size_t offset,
- size_t size) const {
+FileBlocksHolderPtr FileCacheAllocatorBuilder::allocate_cache_holder(size_t offset, size_t size,
+ int64_t tablet_id) const {
CacheContext ctx;
ctx.cache_type = _expiration_time == 0 ? FileCacheType::NORMAL : FileCacheType::TTL;
ctx.expiration_time = _expiration_time;
@@ -185,4 +185,84 @@ std::string InconsistencyType::to_string() const {
return result;
}
+std::optional<int64_t> get_tablet_id(std::string file_path) {
+ // Expected path formats:
+ // support both .dat and .idx file extensions
+ // support formate see ut. storage_resource_test:StorageResourceTest.ParseTabletIdFromPath
+
+ if (file_path.empty()) {
+ return std::nullopt;
+ }
+
+ // Find the position of "data/" in the path
+ std::string_view path_view = file_path;
+ std::string_view data_prefix = DATA_PREFIX;
+ size_t data_pos = path_view.find(data_prefix);
+ if (data_pos == std::string_view::npos) {
+ return std::nullopt;
+ }
+
+ // Extract the part after "data/"
+ path_view = path_view.substr(data_pos + data_prefix.length() + 1);
+
+ // Check if path ends with .dat or .idx
+ if (!path_view.ends_with(".dat") && !path_view.ends_with(".idx")) {
+ return std::nullopt;
+ }
+
+ // Count slashes in the remaining path
+ size_t slash_count = 0;
+ for (char c : path_view) {
+ if (c == '/') {
+ slash_count++;
+ }
+ }
+
+ // Split path by '/'
+ std::vector<std::string_view> parts;
+ size_t start = 0;
+ size_t pos = 0;
+ while ((pos = path_view.find('/', start)) != std::string_view::npos) {
+ if (pos > start) {
+ parts.push_back(path_view.substr(start, pos - start));
+ }
+ start = pos + 1;
+ }
+ if (start < path_view.length()) {
+ parts.push_back(path_view.substr(start));
+ }
+
+ if (parts.empty()) {
+ return std::nullopt;
+ }
+
+ // Determine path version based on slash count and extract tablet_id
+ // Version 0: {tablet_id}/{rowset_id}_{seg_id}.dat (1 slash)
+ // Version 1: {shard}/{tablet_id}/{rowset_id}/{seg_id}.dat (3 slashes)
+
+ if (slash_count == 1) {
+ // Version 0 format: parts[0] should be tablet_id
+ if (parts.size() >= 1) {
+ try {
+ int64_t tablet_id = std::stoll(std::string(parts[0]));
+ return tablet_id;
+ } catch (const std::exception&) {
+ // Not a valid number, return nullopt at last
+ }
+ }
+ } else if (slash_count == 3) {
+ // Version 1 format: parts[1] should be tablet_id (parts[0] is shard)
+ if (parts.size() >= 2) {
+ try {
+ int64_t tablet_id = std::stoll(std::string(parts[1]));
+ return tablet_id;
+ } catch (const std::exception&) {
+ // Not a valid number, return nullopt at last
+ }
+ }
+ }
+
+ return std::nullopt;
+}
+
} // namespace doris::io
diff --git a/be/src/io/cache/file_cache_common.h b/be/src/io/cache/file_cache_common.h
index d99f426adb8..69427ec3492 100644
--- a/be/src/io/cache/file_cache_common.h
+++ b/be/src/io/cache/file_cache_common.h
@@ -59,6 +59,11 @@ struct UInt128Wrapper {
uint64_t high() const { return static_cast<uint64_t>(value_ >> 64); }
uint64_t low() const { return static_cast<uint64_t>(value_); }
+
+ friend std::ostream& operator<<(std::ostream& os, const UInt128Wrapper& wrapper) {
+ os << "UInt128Wrapper(" << wrapper.high() << ", " << wrapper.low() << ")";
+ return os;
+ }
};
struct ReadStatistics {
@@ -88,7 +93,7 @@ struct FileCacheAllocatorBuilder {
uint64_t _expiration_time;
UInt128Wrapper _cache_hash;
BlockFileCache* _cache; // Only one ref, the lifetime is owned by FileCache
- FileBlocksHolderPtr allocate_cache_holder(size_t offset, size_t size) const;
+ FileBlocksHolderPtr allocate_cache_holder(size_t offset, size_t size, int64_t tablet_id) const;
};
struct KeyHash {
@@ -107,6 +112,7 @@ struct KeyAndOffsetHash {
struct KeyMeta {
uint64_t expiration_time; // absolute time
FileCacheType type;
+ int64_t tablet_id {0};
};
struct FileCacheKey {
@@ -166,6 +172,7 @@ struct CacheContext {
bool is_cold_data {false};
ReadStatistics* stats;
bool is_warmup {false};
+ int64_t tablet_id {0};
};
template <class Lock>
@@ -301,4 +308,6 @@ struct InconsistencyContext {
std::vector<InconsistencyType> types;
};
+std::optional<int64_t> get_tablet_id(std::string file_path);
+
} // namespace doris::io
diff --git a/be/src/io/cache/file_cache_storage.h b/be/src/io/cache/file_cache_storage.h
index 17253f8daf8..f51d9030005 100644
--- a/be/src/io/cache/file_cache_storage.h
+++ b/be/src/io/cache/file_cache_storage.h
@@ -53,15 +53,16 @@ public:
// append datas into block
virtual Status append(const FileCacheKey& key, const Slice& value) = 0;
// finalize the block
- virtual Status finalize(const FileCacheKey& key) = 0;
+ virtual Status finalize(const FileCacheKey& key, const size_t size) = 0;
// read the block
virtual Status read(const FileCacheKey& key, size_t value_offset, Slice result) = 0;
// remove the block
virtual Status remove(const FileCacheKey& key) = 0;
// change the block meta
- virtual Status change_key_meta_type(const FileCacheKey& key, const FileCacheType type) = 0;
- virtual Status change_key_meta_expiration(const FileCacheKey& key,
- const uint64_t expiration) = 0;
+ virtual Status change_key_meta_type(const FileCacheKey& key, const FileCacheType type,
+ const size_t size) = 0;
+ virtual Status change_key_meta_expiration(const FileCacheKey& key, const uint64_t expiration,
+ const size_t size) = 0;
// use when lazy load cache
virtual void load_blocks_directly_unlocked(BlockFileCache* _mgr, const FileCacheKey& key,
std::lock_guard<std::mutex>& cache_lock) {}
diff --git a/be/src/io/cache/fs_file_cache_storage.cpp b/be/src/io/cache/fs_file_cache_storage.cpp
index 4ff4fba11fd..d57d69b587f 100644
--- a/be/src/io/cache/fs_file_cache_storage.cpp
+++ b/be/src/io/cache/fs_file_cache_storage.cpp
@@ -18,6 +18,10 @@
#include "io/cache/fs_file_cache_storage.h"
#include <fmt/core.h>
+#include <rapidjson/document.h>
+#include <rapidjson/stringbuffer.h>
+#include <rapidjson/writer.h>
+#include <sys/statvfs.h>
#include <filesystem>
#include <mutex>
@@ -110,30 +114,38 @@ Status FSFileCacheStorage::init(BlockFileCache* _mgr) {
_iterator_dir_retry_cnt = std::make_shared<bvar::LatencyRecorder>(
_cache_base_path.c_str(), "file_cache_fs_storage_iterator_dir_retry_cnt");
_cache_base_path = _mgr->_cache_base_path;
+ _meta_store = std::make_unique<CacheBlockMetaStore>(_cache_base_path + "/meta", 10000);
_cache_background_load_thread = std::thread([this, mgr = _mgr]() {
- auto mem_tracker = MemTrackerLimiter::create_shared(MemTrackerLimiter::Type::OTHER,
- fmt::format("FileCacheVersionReader"));
- SCOPED_ATTACH_TASK(mem_tracker);
- Status st = upgrade_cache_dir_if_necessary();
- if (!st.ok()) {
- std::string msg = fmt::format(
- "file cache {} upgrade done with error. upgrade version failed. st={}",
- _cache_base_path, st.to_string());
- if (doris::config::ignore_file_cache_dir_upgrade_failure) {
- LOG(WARNING) << msg << " be conf: `ignore_file_cache_dir_upgrade_failure = true`"
- << " so we are ignoring the error (unsuccessful cache files will be "
- "removed)";
- remove_old_version_directories();
- } else {
- LOG(WARNING) << msg << " please fix error and restart BE or"
- << " use be conf: `ignore_file_cache_dir_upgrade_failure = true`"
- << " to skip the error (unsuccessful cache files will be removed)";
- throw doris::Exception(Status::InternalError(msg));
+ try {
+ auto mem_tracker = MemTrackerLimiter::create_shared(
+ MemTrackerLimiter::Type::OTHER, fmt::format("FileCacheVersionReader"));
+ SCOPED_ATTACH_TASK(mem_tracker);
+ Status st = upgrade_cache_dir_if_necessary();
+ if (!st.ok()) {
+ std::string msg = fmt::format(
+ "file cache {} upgrade done with error. upgrade version failed. st={}",
+ _cache_base_path, st.to_string());
+ if (doris::config::ignore_file_cache_dir_upgrade_failure) {
+ LOG(WARNING)
+ << msg << " be conf: `ignore_file_cache_dir_upgrade_failure = true`"
+ << " so we are ignoring the error (unsuccessful cache files will be "
+ "removed)";
+ remove_old_version_directories();
+ } else {
+ LOG(WARNING) << msg << " please fix error and restart BE or"
+ << " use be conf: `ignore_file_cache_dir_upgrade_failure = true`"
+ << " to skip the error (unsuccessful cache files will be removed)";
+ throw doris::Exception(Status::InternalError(msg));
+ }
}
+ load_cache_info_into_memory(mgr);
+ mgr->_async_open_done = true;
+ LOG_INFO("file cache {} lazy load done.", _cache_base_path);
+ } catch (const std::exception& e) {
+ LOG(ERROR) << "Background cache loading thread failed with exception: " << e.what();
+ } catch (...) {
+ LOG(ERROR) << "Background cache loading thread failed with unknown exception";
}
- load_cache_info_into_memory(mgr);
- mgr->_async_open_done = true;
- LOG_INFO("file cache {} lazy load done.", _cache_base_path);
});
return Status::OK();
}
@@ -146,12 +158,12 @@ Status FSFileCacheStorage::append(const FileCacheKey& key, const Slice& value) {
if (auto iter = _key_to_writer.find(file_writer_map_key); iter != _key_to_writer.end()) {
writer = iter->second.get();
} else {
- std::string dir = get_path_in_local_cache(key.hash, key.meta.expiration_time);
+ std::string dir = get_path_in_local_cache_v3(key.hash);
auto st = fs->create_directory(dir, false);
if (!st.ok() && !st.is<ErrorCode::ALREADY_EXIST>()) {
return st;
}
- std::string tmp_file = get_path_in_local_cache(dir, key.offset, key.meta.type, true);
+ std::string tmp_file = get_path_in_local_cache_v3(dir, key.offset, true);
FileWriterPtr file_writer;
FileWriterOptions opts {.sync_file_data = false};
RETURN_IF_ERROR(fs->create_file(tmp_file, &file_writer, &opts));
@@ -163,7 +175,7 @@ Status FSFileCacheStorage::append(const FileCacheKey& key, const Slice& value) {
return writer->append(value);
}
-Status FSFileCacheStorage::finalize(const FileCacheKey& key) {
+Status FSFileCacheStorage::finalize(const FileCacheKey& key, const size_t size) {
FileWriterPtr file_writer;
{
std::lock_guard lock(_mtx);
@@ -176,9 +188,18 @@ Status FSFileCacheStorage::finalize(const FileCacheKey& key) {
if (file_writer->state() != FileWriter::State::CLOSED) {
RETURN_IF_ERROR(file_writer->close());
}
- std::string dir = get_path_in_local_cache(key.hash, key.meta.expiration_time);
- std::string true_file = get_path_in_local_cache(dir, key.offset, key.meta.type);
- return fs->rename(file_writer->path(), true_file);
+ std::string dir = get_path_in_local_cache_v3(key.hash);
+ std::string true_file = get_path_in_local_cache_v3(dir, key.offset);
+ auto s = fs->rename(file_writer->path(), true_file);
+ if (!s.ok()) {
+ return s;
+ }
+
+ BlockMetaKey mkey(key.meta.tablet_id, UInt128Wrapper(key.hash), key.offset);
+ BlockMeta meta(key.meta.type, size, key.meta.expiration_time);
+ _meta_store->put(mkey, meta);
+
+ return Status::OK();
}
Status FSFileCacheStorage::read(const FileCacheKey& key, size_t value_offset, Slice buffer) {
@@ -186,29 +207,24 @@ Status FSFileCacheStorage::read(const FileCacheKey& key, size_t value_offset, Sl
FileReaderSPtr file_reader = FDCache::instance()->get_file_reader(fd_key);
if (!file_reader) {
std::string file =
- get_path_in_local_cache(get_path_in_local_cache(key.hash, key.meta.expiration_time),
- key.offset, key.meta.type);
+ get_path_in_local_cache_v3(get_path_in_local_cache_v3(key.hash), key.offset);
Status s = fs->open_file(file, &file_reader);
-
- // handle the case that the file is not found but actually exists in other type format
- // TODO(zhengyu): nasty! better eliminate the type encoding in file name in the future
- if (!s.ok() && !s.is<ErrorCode::NOT_FOUND>()) {
- LOG(WARNING) << "open file failed, file=" << file << ", error=" << s.to_string();
- return s; // return other error directly
- } else if (!s.ok() && s.is<ErrorCode::NOT_FOUND>()) { // but handle NOT_FOUND error
- auto candidates = get_path_in_local_cache_all_candidates(
- get_path_in_local_cache(key.hash, key.meta.expiration_time), key.offset);
- for (auto& candidate : candidates) {
- s = fs->open_file(candidate, &file_reader);
- if (s.ok()) {
- break; // success with one of there candidates
+ if (!s.ok()) {
+ if (s.is<ErrorCode::NOT_FOUND>()) {
+ // Try to open file with old v2 format
+ std::string dir = get_path_in_local_cache_v2(key.hash, key.meta.expiration_time);
+ std::string v2_file = get_path_in_local_cache_v2(dir, key.offset, key.meta.type);
+ Status s2 = fs->open_file(v2_file, &file_reader);
+ if (!s2.ok()) {
+ LOG(WARNING) << "open file failed with both v3 and v2 format, v3_file=" << file
+ << ", v2_file=" << v2_file << ", error=" << s2.to_string();
+ return s2;
}
- }
- if (!s.ok()) { // still not found, return error
+ } else {
LOG(WARNING) << "open file failed, file=" << file << ", error=" << s.to_string();
return s;
}
- } // else, s.ok() means open file success
+ }
FDCache::instance()->insert_file_reader(fd_key, file_reader);
}
@@ -224,23 +240,20 @@ Status FSFileCacheStorage::read(const FileCacheKey& key, size_t value_offset, Sl
}
Status FSFileCacheStorage::remove(const FileCacheKey& key) {
- std::string dir = get_path_in_local_cache(key.hash, key.meta.expiration_time);
- std::string file = get_path_in_local_cache(dir, key.offset, key.meta.type);
+ std::string dir = get_path_in_local_cache_v3(key.hash);
+ std::string file = get_path_in_local_cache_v3(dir, key.offset);
FDCache::instance()->remove_file_reader(std::make_pair(key.hash, key.offset));
RETURN_IF_ERROR(fs->delete_file(file));
// return OK not means the file is deleted, it may be not exist
- // So for TTL, we make sure the old format will be removed well
- if (key.meta.type == FileCacheType::TTL) {
- bool exists {false};
- // try to detect the file with old ttl format
- file = get_path_in_local_cache_old_ttl_format(dir, key.offset, key.meta.type);
- RETURN_IF_ERROR(fs->exists(file, &exists));
- if (exists) {
- VLOG(7) << "try to remove the file with old ttl format"
- << " file=" << file;
- RETURN_IF_ERROR(fs->delete_file(file));
- }
+
+ { // try to detect the file with old v2 format
+ dir = get_path_in_local_cache_v2(key.hash, key.meta.expiration_time);
+ file = get_path_in_local_cache_v2(dir, key.offset, key.meta.type);
+ RETURN_IF_ERROR(fs->delete_file(file));
}
+
+ BlockMetaKey mkey(key.meta.tablet_id, UInt128Wrapper(key.hash), key.offset);
+ _meta_store->delete_key(mkey);
std::vector<FileInfo> files;
bool exists {false};
RETURN_IF_ERROR(fs->list(dir, true, &files, &exists));
@@ -250,43 +263,39 @@ Status FSFileCacheStorage::remove(const FileCacheKey& key) {
return Status::OK();
}
-Status FSFileCacheStorage::change_key_meta_type(const FileCacheKey& key, const FileCacheType type) {
+Status FSFileCacheStorage::change_key_meta_type(const FileCacheKey& key, const FileCacheType type,
+ const size_t size) {
// file operation
if (key.meta.type != type) {
- // TTL type file dose not need to change the suffix
- bool expr = (key.meta.type != FileCacheType::TTL && type != FileCacheType::TTL);
- if (!expr) {
- LOG(WARNING) << "TTL type file dose not need to change the suffix"
- << " key=" << key.hash.to_string() << " offset=" << key.offset
- << " old_type=" << cache_type_to_string(key.meta.type)
- << " new_type=" << cache_type_to_string(type);
- }
- DCHECK(expr);
- std::string dir = get_path_in_local_cache(key.hash, key.meta.expiration_time);
- std::string original_file = get_path_in_local_cache(dir, key.offset, key.meta.type);
- std::string new_file = get_path_in_local_cache(dir, key.offset, type);
- RETURN_IF_ERROR(fs->rename(original_file, new_file));
+ BlockMetaKey mkey(key.meta.tablet_id, UInt128Wrapper(key.hash), key.offset);
+ BlockMeta meta(type, size, key.meta.expiration_time);
+ _meta_store->put(mkey, meta);
}
return Status::OK();
}
Status FSFileCacheStorage::change_key_meta_expiration(const FileCacheKey& key,
- const uint64_t expiration) {
- // directory operation
+ const uint64_t expiration,
+ const size_t size) {
if (key.meta.expiration_time != expiration) {
- std::string original_dir = get_path_in_local_cache(key.hash, key.meta.expiration_time);
- std::string new_dir = get_path_in_local_cache(key.hash, expiration);
- // It will be concurrent, but we don't care who rename
- Status st = fs->rename(original_dir, new_dir);
- if (!st.ok() && !st.is<ErrorCode::NOT_FOUND>()) {
- return st;
- }
+ BlockMetaKey mkey(key.meta.tablet_id, UInt128Wrapper(key.hash), key.offset);
+ BlockMeta meta(key.meta.type, size, expiration);
+ _meta_store->put(mkey, meta);
}
return Status::OK();
}
-std::string FSFileCacheStorage::get_path_in_local_cache(const std::string& dir, size_t offset,
- FileCacheType type, bool is_tmp) {
+std::string FSFileCacheStorage::get_path_in_local_cache_v3(const std::string& dir, size_t offset,
+ bool is_tmp) {
+ if (is_tmp) {
+ return Path(dir) / (std::to_string(offset) + "_tmp");
+ } else {
+ return Path(dir) / std::to_string(offset);
+ }
+}
+
+std::string FSFileCacheStorage::get_path_in_local_cache_v2(const std::string& dir, size_t offset,
+ FileCacheType type, bool is_tmp) {
if (is_tmp) {
return Path(dir) / (std::to_string(offset) + "_tmp");
} else if (type == FileCacheType::TTL) {
@@ -296,35 +305,24 @@ std::string FSFileCacheStorage::get_path_in_local_cache(const std::string& dir,
}
}
-std::string FSFileCacheStorage::get_path_in_local_cache_old_ttl_format(const std::string& dir,
- size_t offset,
- FileCacheType type,
- bool is_tmp) {
- DCHECK(type == FileCacheType::TTL);
- return Path(dir) / (std::to_string(offset) + cache_type_to_surfix(type));
-}
-
-std::vector<std::string> FSFileCacheStorage::get_path_in_local_cache_all_candidates(
- const std::string& dir, size_t offset) {
- std::vector<std::string> candidates;
- std::string base = get_path_in_local_cache(dir, offset, FileCacheType::NORMAL);
- candidates.push_back(base);
- candidates.push_back(base + "_idx");
- candidates.push_back(base + "_ttl");
- candidates.push_back(base + "_disposable");
- return candidates;
+std::string FSFileCacheStorage::get_path_in_local_cache_v3(const UInt128Wrapper& value) const {
+ auto str = value.to_string();
+ try {
+ return Path(_cache_base_path) / str.substr(0, KEY_PREFIX_LENGTH) / (str + "_0");
+ } catch (std::filesystem::filesystem_error& e) {
+ LOG_WARNING("fail to get_path_in_local_cache")
+ .tag("err", e.what())
+ .tag("key", value.to_string());
+ return "";
+ }
}
-std::string FSFileCacheStorage::get_path_in_local_cache(const UInt128Wrapper& value,
- uint64_t expiration_time) const {
+std::string FSFileCacheStorage::get_path_in_local_cache_v2(const UInt128Wrapper& value,
+ uint64_t expiration_time) const {
auto str = value.to_string();
try {
- if constexpr (USE_CACHE_VERSION2) {
- return Path(_cache_base_path) / str.substr(0, KEY_PREFIX_LENGTH) /
- (str + "_" + std::to_string(expiration_time));
- } else {
- return Path(_cache_base_path) / (str + "_" + std::to_string(expiration_time));
- }
+ return Path(_cache_base_path) / str.substr(0, KEY_PREFIX_LENGTH) /
+ (str + "_" + std::to_string(expiration_time));
} catch (std::filesystem::filesystem_error& e) {
LOG_WARNING("fail to get_path_in_local_cache")
.tag("err", e.what())
@@ -428,122 +426,31 @@ Status FSFileCacheStorage::collect_directory_entries(const std::filesystem::path
}
Status FSFileCacheStorage::upgrade_cache_dir_if_necessary() const {
- /*
- * If use version2 but was version 1, do upgrade:
- *
- * Action I:
- * version 1.0: cache_base_path / key / offset
- * version 2.0: cache_base_path / key_prefix / key / offset
- *
- * Action II:
- * add '_0' to hash dir
- *
- * Note: This is a sync operation with tons of IOs, so it may affect BE
- * boot time heavily. Fortunately, Action I & II will only happen when
- * upgrading (once in the cluster life time).
- */
-
std::string version;
- std::error_code ec;
int rename_count = 0;
int failure_count = 0;
auto start_time = std::chrono::steady_clock::now();
RETURN_IF_ERROR(read_file_cache_version(&version));
- LOG(INFO) << "Checking cache version upgrade. Current version: " << version
- << ", target version: 2.0, need upgrade: "
- << (USE_CACHE_VERSION2 && version != "2.0");
- if (USE_CACHE_VERSION2 && version != "2.0") {
- // move directories format as version 2.0
- std::vector<std::string> file_list;
- file_list.reserve(10000);
- RETURN_IF_ERROR(collect_directory_entries(_cache_base_path, file_list));
-
- // this directory_iterator should be a problem in concurrent access
- for (const auto& file_path : file_list) {
- try {
- if (std::filesystem::is_directory(file_path)) {
- std::string cache_key = std::filesystem::path(file_path).filename().native();
- if (cache_key.size() > KEY_PREFIX_LENGTH) {
- if (cache_key.find('_') == std::string::npos) {
- cache_key += "_0";
- }
- std::string key_prefix =
- Path(_cache_base_path) / cache_key.substr(0, KEY_PREFIX_LENGTH);
- bool exists = false;
- auto exists_status = fs->exists(key_prefix, &exists);
- if (!exists_status.ok()) {
- LOG(WARNING) << "Failed to check directory existence: " << key_prefix
- << ", error: " << exists_status.to_string();
- ++failure_count;
- continue;
- }
- if (!exists) {
- auto create_status = fs->create_directory(key_prefix);
- if (!create_status.ok() &&
- create_status.code() != TStatusCode::type::ALREADY_EXIST) {
- LOG(WARNING) << "Failed to create directory: " << key_prefix
- << ", error: " << create_status.to_string();
- ++failure_count;
- continue;
- }
- }
- auto rename_status = Status::OK();
- const std::string new_file_path = key_prefix + "/" + cache_key;
- TEST_SYNC_POINT_CALLBACK(
- "FSFileCacheStorage::upgrade_cache_dir_if_necessary_rename",
- &file_path, &new_file_path);
- rename_status = fs->rename(file_path, new_file_path);
- if (rename_status.ok() ||
- rename_status.code() == TStatusCode::type::DIRECTORY_NOT_EMPTY) {
- ++rename_count;
- } else {
- LOG(WARNING)
- << "Failed to rename directory from " << file_path << " to "
- << new_file_path << ", error: " << rename_status.to_string();
- ++failure_count;
- continue;
- }
- }
- }
- } catch (const std::exception& e) {
- LOG(WARNING) << "Error occurred while upgrading file cache directory: " << file_path
- << " err: " << e.what();
- ++failure_count;
- }
- }
-
- std::vector<std::string> rebuilt_file_list;
- rebuilt_file_list.reserve(10000);
- RETURN_IF_ERROR(collect_directory_entries(_cache_base_path, rebuilt_file_list));
-
- for (const auto& key_it : rebuilt_file_list) {
- if (!std::filesystem::is_directory(key_it)) {
- // maybe version hits file
- continue;
- }
- try {
- if (Path(key_it).filename().native().size() != KEY_PREFIX_LENGTH) {
- LOG(WARNING) << "Unknown directory " << key_it << ", try to remove it";
- auto delete_status = fs->delete_directory(key_it);
- if (!delete_status.ok()) {
- LOG(WARNING) << "Failed to delete unknown directory: " << key_it
- << ", error: " << delete_status.to_string();
- ++failure_count;
- continue;
- }
- }
- } catch (const std::exception& e) {
- LOG(WARNING) << "Error occurred while upgrading file cache directory: " << key_it
- << " err: " << e.what();
- ++failure_count;
- }
- }
- if (auto st = write_file_cache_version(); !st.ok()) {
- return Status::InternalError("Failed to write version hints for file cache, err={}",
- st.to_string());
- }
+ if (version == "1.0") {
+ LOG(ERROR) << "Cache version upgrade issue: Cannot upgrade directly from 1.0 to 3.0.Please "
+ "upgrade to 2.0 first (>= doris-3.0.0),or clear the file cache directory to "
+ "start anew "
+ "(LOSING ALL THE CACHE).";
+ exit(-1);
+ } else if (version == "2.0") {
+ LOG(INFO) << "Cache will upgrade from 2.0 to 3.0 progressively during running. 2.0 data "
+ "format will evict eventually.";
+ return Status::OK();
+ } else if (version == "3.0") {
+ LOG(INFO) << "Readly 3.0 format, no need to upgrade.";
+ return Status::OK();
+ } else {
+ LOG(ERROR) << "Cache version upgrade issue: current version " << version
+ << " is not valid. Clear the file cache directory to start anew (LOSING ALL THE "
+ "CACHE).";
+ exit(-1);
}
auto end_time = std::chrono::steady_clock::now();
@@ -555,15 +462,30 @@ Status FSFileCacheStorage::upgrade_cache_dir_if_necessary() const {
}
Status FSFileCacheStorage::write_file_cache_version() const {
- if constexpr (USE_CACHE_VERSION2) {
- std::string version_path = get_version_path();
- Slice version("2.0");
- FileWriterPtr version_writer;
- RETURN_IF_ERROR(fs->create_file(version_path, &version_writer));
- RETURN_IF_ERROR(version_writer->append(version));
- return version_writer->close();
- }
- return Status::OK();
+ std::string version_path = get_version_path();
+
+ rapidjson::Document doc;
+ doc.SetObject();
+ rapidjson::Document::AllocatorType& allocator = doc.GetAllocator();
+
+ // Add version field to JSON
+ rapidjson::Value version_value;
+ version_value.SetString("3.0", allocator);
+ doc.AddMember("version", version_value, allocator);
+
+ // Serialize JSON to string
+ rapidjson::StringBuffer buffer;
+ rapidjson::Writer<rapidjson::StringBuffer> writer(buffer);
+ doc.Accept(writer);
+
+ // Combine version string with JSON for backward compatibility
+ std::string version_content = "3.0" + std::string(buffer.GetString(), buffer.GetSize());
+ Slice version_slice(version_content);
+
+ FileWriterPtr version_writer;
+ RETURN_IF_ERROR(fs->create_file(version_path, &version_writer));
+ RETURN_IF_ERROR(version_writer->append(version_slice));
+ return version_writer->close();
}
Status FSFileCacheStorage::read_file_cache_version(std::string* buffer) const {
@@ -571,7 +493,7 @@ Status FSFileCacheStorage::read_file_cache_version(std::string* buffer) const {
bool exists = false;
RETURN_IF_ERROR(fs->exists(version_path, &exists));
if (!exists) {
- *buffer = "1.0";
+ *buffer = "2.0"; // return 2.0 if not exist to utilize filesystem
return Status::OK();
}
FileReaderSPtr version_reader;
@@ -582,6 +504,19 @@ Status FSFileCacheStorage::read_file_cache_version(std::string* buffer) const {
size_t bytes_read = 0;
RETURN_IF_ERROR(version_reader->read_at(0, Slice(buffer->data(), file_size), &bytes_read));
RETURN_IF_ERROR(version_reader->close());
+
+ // Extract only the version number part (before JSON starts) for backward compatibility
+ // New format: "3.0{\"version\":\"3.0\"}", old format: "3.0"
+ std::string content = *buffer;
+ size_t json_start = content.find('{');
+ if (json_start != std::string::npos) {
+ // New format with JSON, extract version number only
+ *buffer = content.substr(0, json_start);
+ } else {
+ // Old format, keep as is
+ *buffer = content;
+ }
+
auto st = Status::OK();
TEST_SYNC_POINT_CALLBACK("FSFileCacheStorage::read_file_cache_version", &st);
return st;
@@ -658,7 +593,7 @@ Status FSFileCacheStorage::parse_filename_suffix_to_cache_type(
return Status::OK();
}
-void FSFileCacheStorage::load_cache_info_into_memory(BlockFileCache* _mgr) const {
+void FSFileCacheStorage::load_cache_info_into_memory_from_fs(BlockFileCache* _mgr) const {
int scan_length = 10000;
std::vector<BatchLoadArgs> batch_load_buffer;
batch_load_buffer.reserve(scan_length);
@@ -737,43 +672,40 @@ void FSFileCacheStorage::load_cache_info_into_memory(BlockFileCache* _mgr) const
}
};
std::error_code ec;
- if constexpr (USE_CACHE_VERSION2) {
- TEST_SYNC_POINT_CALLBACK("BlockFileCache::BeforeScan");
- std::filesystem::directory_iterator key_prefix_it {_cache_base_path, ec};
- if (ec) {
- LOG(WARNING) << ec.message();
- return;
+
+ TEST_SYNC_POINT_CALLBACK("BlockFileCache::BeforeScan");
+ std::filesystem::directory_iterator key_prefix_it {_cache_base_path, ec};
+ if (ec) {
+ LOG(WARNING) << ec.message();
+ return;
+ }
+ for (; key_prefix_it != std::filesystem::directory_iterator(); ++key_prefix_it) {
+ if (!key_prefix_it->is_directory()) {
+ // skip version file
+ continue;
}
- for (; key_prefix_it != std::filesystem::directory_iterator(); ++key_prefix_it) {
- if (!key_prefix_it->is_directory()) {
- // skip version file
- continue;
- }
- if (key_prefix_it->path().filename().native().size() != KEY_PREFIX_LENGTH) {
- LOG(WARNING) << "Unknown directory " << key_prefix_it->path().native()
- << ", try to remove it";
- std::filesystem::remove(key_prefix_it->path(), ec);
- if (ec) {
- LOG(WARNING) << "failed to remove=" << key_prefix_it->path()
- << " msg=" << ec.message();
- }
- continue;
- }
- std::filesystem::directory_iterator key_it {key_prefix_it->path(), ec};
+ if (key_prefix_it->path().filename().native() == "meta") {
+ // skip rocksdb dir
+ continue;
+ }
+ if (key_prefix_it->path().filename().native().size() != KEY_PREFIX_LENGTH) {
+ LOG(WARNING) << "Unknown directory " << key_prefix_it->path().native()
+ << ", try to remove it";
+ std::filesystem::remove(key_prefix_it->path(), ec);
if (ec) {
- LOG(WARNING) << ec.message();
- continue;
+ LOG(WARNING) << "failed to remove=" << key_prefix_it->path()
+ << " msg=" << ec.message();
}
- scan_file_cache(key_it);
+ continue;
}
- } else {
- std::filesystem::directory_iterator key_it {_cache_base_path, ec};
+ std::filesystem::directory_iterator key_it {key_prefix_it->path(), ec};
if (ec) {
LOG(WARNING) << ec.message();
- return;
+ continue;
}
scan_file_cache(key_it);
}
+
if (!batch_load_buffer.empty()) {
add_cell_batch_func();
}
@@ -842,55 +774,171 @@ Status FSFileCacheStorage::get_file_cache_infos(std::vector<FileCacheInfo>& info
return Status::OK();
}
-void FSFileCacheStorage::load_blocks_directly_unlocked(BlockFileCache* mgr, const FileCacheKey& key,
- std::lock_guard<std::mutex>& cache_lock) {
- // async load, can't find key, need to check exist.
- auto key_path = get_path_in_local_cache(key.hash, key.meta.expiration_time);
- bool exists = false;
- if (auto st = fs->exists(key_path, &exists); !exists && st.ok()) {
- // cache miss
- return;
- } else if (!st.ok()) [[unlikely]] {
- LOG_WARNING("failed to exists file {}", key_path).error(st);
+void FSFileCacheStorage::load_cache_info_into_memory_from_db(BlockFileCache* _mgr) const {
+ TEST_SYNC_POINT_CALLBACK("BlockFileCache::TmpFile1");
+ int scan_length = 10000;
+ std::vector<BatchLoadArgs> batch_load_buffer;
+ batch_load_buffer.reserve(scan_length);
+ auto add_cell_batch_func = [&]() {
+ SCOPED_CACHE_LOCK(_mgr->_mutex, _mgr);
+
+ auto f = [&](const BatchLoadArgs& args) {
+ // in async load mode, a cell may be added twice.
+ if (_mgr->_files.contains(args.hash) && _mgr->_files[args.hash].contains(args.offset)) {
+ auto block = _mgr->_files[args.hash][args.offset].file_block;
+ if (block->tablet_id() == 0) {
+ block->set_tablet_id(args.ctx.tablet_id);
+ }
+ if (block->cache_type() == io::FileCacheType::TTL &&
+ block->expiration_time() != args.ctx.expiration_time) {
+ auto s = block->update_expiration_time(args.ctx.expiration_time);
+ if (!s.ok()) {
+ LOG(WARNING) << "update expiration time for " << args.hash.to_string()
+ << " offset=" << args.offset;
+ }
+ }
+ return;
+ }
+ _mgr->add_cell(args.hash, args.ctx, args.offset, args.size,
+ FileBlock::State::DOWNLOADED, cache_lock);
+ return;
+ };
+ std::for_each(batch_load_buffer.begin(), batch_load_buffer.end(), f);
+ batch_load_buffer.clear();
+ };
+
+ auto iterator = _meta_store->get_all();
+ if (!iterator) {
+ LOG(WARNING) << "Failed to create iterator for meta store";
return;
}
- CacheContext context_original;
- context_original.query_id = TUniqueId();
- context_original.expiration_time = key.meta.expiration_time;
- std::error_code ec;
- std::filesystem::directory_iterator check_it(key_path, ec);
- if (ec) [[unlikely]] {
- LOG(WARNING) << "fail to directory_iterator " << ec.message();
+ while (iterator->valid()) {
+ BlockMetaKey meta_key = iterator->key();
+ BlockMeta meta_value = iterator->value();
+
+ // Check for deserialization errors
+ if (!iterator->get_last_key_error().ok() || !iterator->get_last_value_error().ok()) {
+ LOG(WARNING) << "Failed to deserialize cache block metadata: "
+ << "key_error=" << iterator->get_last_key_error().to_string()
+ << ", value_error=" << iterator->get_last_value_error().to_string();
+ iterator->next();
+ continue; // Skip invalid records
+ }
+
+ VLOG_DEBUG << "Processing cache block: tablet_id=" << meta_key.tablet_id
+ << ", hash=" << meta_key.hash.low() << "-" << meta_key.hash.high()
+ << ", offset=" << meta_key.offset << ", type=" << meta_value.type
+ << ", size=" << meta_value.size << ", ttl=" << meta_value.ttl;
+
+ BatchLoadArgs args;
+ args.hash = meta_key.hash;
+ args.offset = meta_key.offset;
+ args.size = meta_value.size;
+ args.is_tmp = false;
+
+ CacheContext ctx;
+ ctx.cache_type = static_cast<FileCacheType>(meta_value.type);
+ ctx.expiration_time = meta_value.ttl;
+ ctx.tablet_id =
+ meta_key.tablet_id; //TODO(zhengyu): zero if loaded from v2, we can use this to decide whether the block is loaded from v2 or v3
+ args.ctx = ctx;
+
+ args.key_path = "";
+ args.offset_path = "";
+
+ batch_load_buffer.push_back(std::move(args));
+
+ if (batch_load_buffer.size() >= scan_length) {
+ add_cell_batch_func();
+ std::this_thread::sleep_for(std::chrono::microseconds(10));
+ }
+
+ iterator->next();
+ }
+
+ LOG(INFO) << "Finished loading cache info from meta store using RocksDB iterator";
+
+ if (!batch_load_buffer.empty()) {
+ add_cell_batch_func();
+ }
+ TEST_SYNC_POINT_CALLBACK("BlockFileCache::TmpFile2");
+}
+
+void FSFileCacheStorage::load_cache_info_into_memory(BlockFileCache* _mgr) const {
+ // First load from database
+ load_cache_info_into_memory_from_db(_mgr);
+
+ std::string version;
+ auto st = read_file_cache_version(&version);
+ if (!st.ok()) {
+ LOG(WARNING) << "Failed to read file cache version: " << st.to_string();
return;
}
- for (; check_it != std::filesystem::directory_iterator(); ++check_it) {
- size_t size = check_it->file_size(ec);
- size_t offset = 0;
- bool is_tmp = false;
- FileCacheType cache_type = FileCacheType::NORMAL;
- if (!parse_filename_suffix_to_cache_type(fs, check_it->path().filename().native(),
- context_original.expiration_time, size, &offset,
- &is_tmp, &cache_type)) {
- continue;
+ if (version == "3.0") {
+ return;
+ }
+
+ // Count blocks loaded from database
+ size_t db_block_count = 0;
+ {
+ std::lock_guard<std::mutex> lock(_mgr->_mutex);
+ for (const auto& hash_entry : _mgr->_files) {
+ db_block_count += hash_entry.second.size();
}
- if (!mgr->_files.contains(key.hash) || !mgr->_files[key.hash].contains(offset)) {
- // if the file is tmp, it means it is the old file and it should be removed
- if (is_tmp) {
- std::filesystem::remove(check_it->path(), ec);
- if (ec) {
- LOG(WARNING) << fmt::format("cannot remove {}: {}", check_it->path().native(),
- ec.message());
- }
- } else {
- context_original.cache_type = cache_type;
- mgr->add_cell(key.hash, context_original, offset, size,
- FileBlock::State::DOWNLOADED, cache_lock);
+ }
+
+ // Estimate file count from filesystem using statfs
+ size_t estimated_file_count = estimate_file_count_from_statfs();
+
+ LOG(INFO) << "Cache loading statistics - DB blocks: " << db_block_count
+ << ", Estimated FS files: " << estimated_file_count;
+
+ // If the difference is more than threshold, load from filesystem as well
+ if (estimated_file_count > 0) {
+ double difference_ratio =
+ static_cast<double>(estimated_file_count) -
+ static_cast<double>(db_block_count) / static_cast<double>(estimated_file_count);
+
+ if (difference_ratio > config::file_cache_meta_store_vs_file_system_diff_num_threshold) {
+ LOG(WARNING) << "Significant difference between DB blocks (" << db_block_count
+ << ") and estimated FS files (" << estimated_file_count
+ << "), difference ratio: " << difference_ratio * 100 << "%"
+ << ". Loading from filesystem as well.";
+ load_cache_info_into_memory_from_fs(_mgr);
+ } else {
+ LOG(INFO) << "DB and FS counts are consistent, difference ratio: "
+ << difference_ratio * 100 << "%, skipping FS load.";
+ if (st = write_file_cache_version(); !st.ok()) {
+ LOG(WARNING) << "Failed to write version hints for file cache, err="
+ << st.to_string();
}
+ // TODO(zhengyu): use anti-leak machinism to remove v2 format directory
}
}
}
+void FSFileCacheStorage::load_blocks_directly_unlocked(BlockFileCache* mgr, const FileCacheKey& key,
+ std::lock_guard<std::mutex>& cache_lock) {
+ BlockMetaKey mkey(key.meta.tablet_id, UInt128Wrapper(key.hash), key.offset);
+ auto block_meta = _meta_store->get(mkey);
+ if (!block_meta.has_value()) {
+ // cache miss
+ return;
+ }
+
+ CacheContext context_original;
+ context_original.query_id = TUniqueId();
+ context_original.expiration_time = block_meta->ttl;
+ context_original.cache_type = static_cast<FileCacheType>(block_meta->type);
+ context_original.tablet_id = key.meta.tablet_id;
+
+ if (!mgr->_files.contains(key.hash) || !mgr->_files[key.hash].contains(key.offset)) {
+ mgr->add_cell(key.hash, context_original, key.offset, block_meta->size,
+ FileBlock::State::DOWNLOADED, cache_lock);
+ }
+}
+
Status FSFileCacheStorage::clear(std::string& msg) {
LOG(INFO) << "clear file storage, path=" << _cache_base_path;
std::error_code ec;
@@ -913,6 +961,7 @@ Status FSFileCacheStorage::clear(std::string& msg) {
LOG(WARNING) << "failed to clear base_path=" << _cache_base_path
<< " path_to_delete=" << cache_key << " error=" << st;
}
+ _meta_store->clear();
auto t1 = std::chrono::steady_clock::now();
std::stringstream ss;
ss << "finished clear file storage, path=" << _cache_base_path
@@ -927,8 +976,7 @@ Status FSFileCacheStorage::clear(std::string& msg) {
}
std::string FSFileCacheStorage::get_local_file(const FileCacheKey& key) {
- return get_path_in_local_cache(get_path_in_local_cache(key.hash, key.meta.expiration_time),
- key.offset, key.meta.type, false);
+ return get_path_in_local_cache_v3(get_path_in_local_cache_v3(key.hash), key.offset, false);
}
FSFileCacheStorage::~FSFileCacheStorage() {
@@ -937,4 +985,40 @@ FSFileCacheStorage::~FSFileCacheStorage() {
}
}
+size_t FSFileCacheStorage::estimate_file_count_from_statfs() const {
+ struct statvfs vfs;
+ if (statvfs(_cache_base_path.c_str(), &vfs) != 0) {
+ LOG(WARNING) << "Failed to get filesystem statistics for path: " << _cache_base_path
+ << ", error: " << strerror(errno);
+ return 0;
+ }
+
+ // Get total size of cache directory to estimate file count
+ std::error_code ec;
+ uintmax_t total_size = 0;
+ for (const auto& entry : std::filesystem::recursive_directory_iterator(_cache_base_path, ec)) {
+ if (ec) {
+ LOG(WARNING) << "Error accessing directory entry: " << ec.message();
+ continue;
+ }
+ if (entry.is_regular_file()) {
+ total_size += entry.file_size();
+ }
+ }
+
+ if (total_size == 0) {
+ return 0;
+ }
+
+ // Estimate file count based on average file size
+ // Assuming average file size of 1MB for cache blocks
+ const uintmax_t average_file_size = 1024 * 1024; // 1MB
+ size_t estimated_file_count = total_size / average_file_size;
+
+ LOG(INFO) << "Estimated file count for cache path " << _cache_base_path
+ << ": total_size=" << total_size << ", estimated_files=" << estimated_file_count;
+
+ return estimated_file_count;
+}
+
} // namespace doris::io
diff --git a/be/src/io/cache/fs_file_cache_storage.h b/be/src/io/cache/fs_file_cache_storage.h
index b8fe6769140..4a45726186c 100644
--- a/be/src/io/cache/fs_file_cache_storage.h
+++ b/be/src/io/cache/fs_file_cache_storage.h
@@ -23,6 +23,7 @@
#include <shared_mutex>
#include <thread>
+#include "io/cache/cache_block_meta_store.h"
#include "io/cache/file_cache_common.h"
#include "io/cache/file_cache_storage.h"
#include "io/fs/file_reader.h"
@@ -54,40 +55,43 @@ private:
class FSFileCacheStorage : public FileCacheStorage {
public:
- /// use version 2 when USE_CACHE_VERSION2 = true, while use version 1 if false
/// version 1.0: cache_base_path / key / offset
/// version 2.0: cache_base_path / key_prefix / key / offset
- static constexpr bool USE_CACHE_VERSION2 = true;
static constexpr int KEY_PREFIX_LENGTH = 3;
FSFileCacheStorage() = default;
~FSFileCacheStorage() override;
Status init(BlockFileCache* _mgr) override;
Status append(const FileCacheKey& key, const Slice& value) override;
- Status finalize(const FileCacheKey& key) override;
+ Status finalize(const FileCacheKey& key, const size_t size) override;
Status read(const FileCacheKey& key, size_t value_offset, Slice buffer) override;
Status remove(const FileCacheKey& key) override;
- Status change_key_meta_type(const FileCacheKey& key, const FileCacheType type) override;
- Status change_key_meta_expiration(const FileCacheKey& key, const uint64_t expiration) override;
+ Status change_key_meta_type(const FileCacheKey& key, const FileCacheType type,
+ const size_t size) override;
+ Status change_key_meta_expiration(const FileCacheKey& key, const uint64_t expiration,
+ const size_t size) override;
void load_blocks_directly_unlocked(BlockFileCache* _mgr, const FileCacheKey& key,
std::lock_guard<std::mutex>& cache_lock) override;
Status clear(std::string& msg) override;
std::string get_local_file(const FileCacheKey& key) override;
- [[nodiscard]] static std::string get_path_in_local_cache(const std::string& dir, size_t offset,
- FileCacheType type,
- bool is_tmp = false);
+ [[nodiscard]] static std::string get_path_in_local_cache_v3(const std::string& dir,
+ size_t offset, bool is_tmp = false);
- [[nodiscard]] static std::string get_path_in_local_cache_old_ttl_format(const std::string& dir,
- size_t offset,
- FileCacheType type,
- bool is_tmp = false);
+ [[nodiscard]] std::string get_path_in_local_cache_v3(const UInt128Wrapper&) const;
- [[nodiscard]] std::string get_path_in_local_cache(const UInt128Wrapper&,
- uint64_t expiration_time) const;
+ [[nodiscard]] static std::string get_path_in_local_cache_v2(const std::string& dir,
+ size_t offset, FileCacheType type,
+ bool is_tmp = false);
+
+ [[nodiscard]] std::string get_path_in_local_cache_v2(const UInt128Wrapper&,
+ uint64_t expiration_time) const;
FileCacheStorageType get_type() override { return DISK; }
+ // Get the meta store instance (only available for DISK storage type)
+ CacheBlockMetaStore* get_meta_store() { return _meta_store.get(); }
+
private:
void remove_old_version_directories();
@@ -109,8 +113,11 @@ private:
void load_cache_info_into_memory(BlockFileCache* _mgr) const;
- [[nodiscard]] std::vector<std::string> get_path_in_local_cache_all_candidates(
- const std::string& dir, size_t offset);
+private:
+ // Helper function to count files in cache directory using statfs
+ size_t estimate_file_count_from_statfs() const;
+ void load_cache_info_into_memory_from_fs(BlockFileCache* _mgr) const;
+ void load_cache_info_into_memory_from_db(BlockFileCache* _mgr) const;
Status get_file_cache_infos(std::vector<FileCacheInfo>& infos,
std::lock_guard<std::mutex>& cache_lock) const override;
@@ -122,6 +129,7 @@ private:
std::mutex _mtx;
std::unordered_map<FileWriterMapKey, FileWriterPtr, FileWriterMapKeyHash> _key_to_writer;
std::shared_ptr<bvar::LatencyRecorder> _iterator_dir_retry_cnt;
+ std::unique_ptr<CacheBlockMetaStore> _meta_store;
};
} // namespace doris::io
diff --git a/be/src/io/cache/mem_file_cache_storage.cpp b/be/src/io/cache/mem_file_cache_storage.cpp
index 7e76dd5f88c..b9af32a22ac 100644
--- a/be/src/io/cache/mem_file_cache_storage.cpp
+++ b/be/src/io/cache/mem_file_cache_storage.cpp
@@ -63,7 +63,7 @@ Status MemFileCacheStorage::append(const FileCacheKey& key, const Slice& value)
return Status::OK();
}
-Status MemFileCacheStorage::finalize(const FileCacheKey& key) {
+Status MemFileCacheStorage::finalize(const FileCacheKey& key, const size_t size) {
// do nothing for in memory cache coz nothing to persist
// download state in FileBlock::finalize will inform the readers when finish
return Status::OK();
@@ -104,14 +104,15 @@ Status MemFileCacheStorage::remove(const FileCacheKey& key) {
return Status::OK();
}
-Status MemFileCacheStorage::change_key_meta_type(const FileCacheKey& key,
- const FileCacheType type) {
+Status MemFileCacheStorage::change_key_meta_type(const FileCacheKey& key, const FileCacheType type,
+ const size_t size) {
// do nothing for in memory cache coz nothing to persist
return Status::OK();
}
Status MemFileCacheStorage::change_key_meta_expiration(const FileCacheKey& key,
- const uint64_t expiration) {
+ const uint64_t expiration,
+ const size_t size) {
// do nothing for in memory cache coz nothing to persist
return Status::OK();
}
diff --git a/be/src/io/cache/mem_file_cache_storage.h b/be/src/io/cache/mem_file_cache_storage.h
index 82064c6e9ed..8773e629e03 100644
--- a/be/src/io/cache/mem_file_cache_storage.h
+++ b/be/src/io/cache/mem_file_cache_storage.h
@@ -36,11 +36,13 @@ public:
~MemFileCacheStorage() override;
Status init(BlockFileCache* _mgr) override;
Status append(const FileCacheKey& key, const Slice& value) override;
- Status finalize(const FileCacheKey& key) override;
+ Status finalize(const FileCacheKey& key, const size_t size) override;
Status read(const FileCacheKey& key, size_t value_offset, Slice buffer) override;
Status remove(const FileCacheKey& key) override;
- Status change_key_meta_type(const FileCacheKey& key, const FileCacheType type) override;
- Status change_key_meta_expiration(const FileCacheKey& key, const uint64_t expiration) override;
+ Status change_key_meta_type(const FileCacheKey& key, const FileCacheType type,
+ const size_t size) override;
+ Status change_key_meta_expiration(const FileCacheKey& key, const uint64_t expiration,
+ const size_t size) override;
void load_blocks_directly_unlocked(BlockFileCache* _mgr, const FileCacheKey& key,
std::lock_guard<std::mutex>& cache_lock) override;
Status clear(std::string& msg) override;
diff --git a/be/src/io/fs/hdfs_file_writer.cpp b/be/src/io/fs/hdfs_file_writer.cpp
index 28c790e2ebe..9237c795af9 100644
--- a/be/src/io/fs/hdfs_file_writer.cpp
+++ b/be/src/io/fs/hdfs_file_writer.cpp
@@ -324,8 +324,9 @@ void HdfsFileWriter::BatchBuffer::clear() {
// TODO(ByteYue): Refactor Upload Buffer to reduce this duplicate code
void HdfsFileWriter::_write_into_local_file_cache() {
+ int64_t tablet_id = get_tablet_id(_path.native()).value_or(0);
auto holder = _cache_builder->allocate_cache_holder(_bytes_appended - _batch_buffer.size(),
- _batch_buffer.capacity());
+ _batch_buffer.capacity(), tablet_id);
size_t pos = 0;
size_t data_remain_size = _batch_buffer.size();
for (auto& block : holder->file_blocks) {
diff --git a/be/src/io/fs/local_file_system.cpp b/be/src/io/fs/local_file_system.cpp
index 358ba7d5ff1..131c7d99b38 100644
--- a/be/src/io/fs/local_file_system.cpp
+++ b/be/src/io/fs/local_file_system.cpp
@@ -60,6 +60,7 @@ Status LocalFileSystem::create_file_impl(const Path& file, FileWriterPtr* writer
<< ", sync_data: " << (opts ? opts->sync_file_data : true);
TEST_SYNC_POINT_RETURN_WITH_VALUE("LocalFileSystem::create_file_impl",
Status::IOError("inject io error"));
+ // O_TRUNC: if file already exists (last tmp), clear the content
int fd = ::open(file.c_str(), O_TRUNC | O_WRONLY | O_CREAT | O_CLOEXEC, 0666);
DBUG_EXECUTE_IF("LocalFileSystem.create_file_impl.open_file_failed", {
// spare '.testfile' to make bad disk checker happy
diff --git a/be/src/io/fs/s3_file_writer.cpp b/be/src/io/fs/s3_file_writer.cpp
index 79e19967e77..79c2b6e868a 100644
--- a/be/src/io/fs/s3_file_writer.cpp
+++ b/be/src/io/fs/s3_file_writer.cpp
@@ -188,10 +188,12 @@ Status S3FileWriter::_build_upload_buffer() {
// that this instance of S3FileWriter might have been destructed when we
// try to do writing into file cache, so we make the lambda capture the variable
// we need by value to extend their lifetime
- builder.set_allocate_file_blocks_holder(
- [builder = *_cache_builder, offset = _bytes_appended]() -> FileBlocksHolderPtr {
- return builder.allocate_cache_holder(offset, config::s3_write_buffer_size);
- });
+ int64_t id = get_tablet_id(_obj_storage_path_opts.path.native()).value_or(0);
+ builder.set_allocate_file_blocks_holder([builder = *_cache_builder,
+ offset = _bytes_appended,
+ tablet_id = id]() -> FileBlocksHolderPtr {
+ return builder.allocate_cache_holder(offset, config::s3_write_buffer_size, tablet_id);
+ });
}
RETURN_IF_ERROR(builder.build(&_pending_buf));
auto* buf = dynamic_cast<UploadFileBuffer*>(_pending_buf.get());
diff --git a/be/src/olap/rowset/segment_v2/segment_writer.cpp b/be/src/olap/rowset/segment_v2/segment_writer.cpp
index 2bb38d7f40e..a4b2cab9b87 100644
--- a/be/src/olap/rowset/segment_v2/segment_writer.cpp
+++ b/be/src/olap/rowset/segment_v2/segment_writer.cpp
@@ -1043,10 +1043,9 @@ Status SegmentWriter::finalize(uint64_t* segment_file_size, uint64_t* index_size
cache_builder->_expiration_time == 0 &&
config::is_cloud_mode()) {
auto size = *index_size + *segment_file_size;
- auto holder = cache_builder->allocate_cache_holder(index_start, size);
+ auto holder = cache_builder->allocate_cache_holder(index_start, size, _tablet->tablet_id());
for (auto& segment : holder->file_blocks) {
- static_cast<void>(
- segment->change_cache_type_between_normal_and_index(io::FileCacheType::INDEX));
+ static_cast<void>(segment->change_cache_type(io::FileCacheType::INDEX));
}
}
return Status::OK();
diff --git a/be/test/io/cache/block_file_cache_test.cpp b/be/test/io/cache/block_file_cache_test.cpp
index 16773016148..52a5436abda 100644
--- a/be/test/io/cache/block_file_cache_test.cpp
+++ b/be/test/io/cache/block_file_cache_test.cpp
@@ -50,11 +50,7 @@ void download(io::FileBlockSPtr file_block, size_t size) {
EXPECT_TRUE(file_block->append(result).ok());
EXPECT_TRUE(file_block->finalize().ok());
auto key_str = hash.to_string();
- auto subdir = FSFileCacheStorage::USE_CACHE_VERSION2
- ? fs::path(cache_base_path) / key_str.substr(0, 3) /
- (key_str + "_" + std::to_string(file_block->expiration_time()))
- : fs::path(cache_base_path) /
- (key_str + "_" + std::to_string(file_block->expiration_time()));
+ auto subdir = fs::path(cache_base_path) / key_str.substr(0, 3) / (key_str + "_0");
ASSERT_TRUE(fs::exists(subdir));
}
@@ -1505,13 +1501,12 @@ TEST_F(BlockFileCacheTest, change_cache_type) {
std::string data(size, '0');
Slice result(data.data(), size);
ASSERT_TRUE(blocks[0]->append(result).ok());
- ASSERT_TRUE(
- blocks[0]->change_cache_type_between_normal_and_index(io::FileCacheType::INDEX));
+ ASSERT_TRUE(blocks[0]->change_cache_type(io::FileCacheType::INDEX));
ASSERT_TRUE(blocks[0]->finalize().ok());
auto key_str = key.to_string();
auto subdir = fs::path(cache_base_path) / key_str.substr(0, 3) /
(key_str + "_" + std::to_string(blocks[0]->expiration_time()));
- ASSERT_TRUE(fs::exists(subdir / "0_idx"));
+ ASSERT_TRUE(fs::exists(subdir / "0"));
}
if (fs::exists(cache_base_path)) {
fs::remove_all(cache_base_path);
@@ -1555,8 +1550,7 @@ TEST_F(BlockFileCacheTest, change_cache_type_memory_storage) {
std::string data(size, '0');
Slice result(data.data(), size);
ASSERT_TRUE(blocks[0]->append(result).ok());
- ASSERT_TRUE(
- blocks[0]->change_cache_type_between_normal_and_index(io::FileCacheType::INDEX));
+ ASSERT_TRUE(blocks[0]->change_cache_type(io::FileCacheType::INDEX));
ASSERT_TRUE(blocks[0]->finalize().ok());
}
}
@@ -2394,9 +2388,9 @@ TEST_F(BlockFileCacheTest, ttl_change_to_normal) {
auto holder = cache.get_or_set(key2, 50, 10, context); /// Add range [50, 59]
if (auto storage = dynamic_cast<FSFileCacheStorage*>(cache._storage.get());
storage != nullptr) {
- std::string dir = storage->get_path_in_local_cache(key2, 0);
+ std::string dir = storage->get_path_in_local_cache_v2(key2, 0);
EXPECT_TRUE(fs::exists(
- storage->get_path_in_local_cache(dir, 50, io::FileCacheType::NORMAL)));
+ storage->get_path_in_local_cache_v2(dir, 50, io::FileCacheType::NORMAL)));
}
auto blocks = fromHolder(holder);
ASSERT_EQ(blocks.size(), 1);
@@ -2525,9 +2519,8 @@ TEST_F(BlockFileCacheTest, ttl_change_expiration_time) {
auto holder = cache.get_or_set(key2, 50, 10, context); /// Add range [50, 59]
if (auto storage = dynamic_cast<FSFileCacheStorage*>(cache._storage.get());
storage != nullptr) {
- std::string dir = storage->get_path_in_local_cache(key2, change_time);
- EXPECT_TRUE(
- fs::exists(storage->get_path_in_local_cache(dir, 50, io::FileCacheType::TTL)));
+ std::string dir = storage->get_path_in_local_cache_v3(key2);
+ EXPECT_TRUE(fs::exists(storage->get_path_in_local_cache_v3(dir, 50)));
}
auto blocks = fromHolder(holder);
ASSERT_EQ(blocks.size(), 1);
@@ -3452,17 +3445,13 @@ TEST_F(BlockFileCacheTest, append_many_time) {
auto holder = cache.get_or_set(key, 0, 5, context);
auto blocks = fromHolder(holder);
assert_range(1, blocks[0], io::FileBlock::Range(0, 4), io::FileBlock::State::DOWNLOADED);
- ASSERT_TRUE(
- blocks[0]->change_cache_type_between_normal_and_index(FileCacheType::INDEX).ok());
+ ASSERT_TRUE(blocks[0]->change_cache_type(FileCacheType::INDEX).ok());
if (auto storage = dynamic_cast<FSFileCacheStorage*>(cache._storage.get());
storage != nullptr) {
- auto dir = storage->get_path_in_local_cache(blocks[0]->get_hash_value(),
- blocks[0]->expiration_time());
- EXPECT_TRUE(fs::exists(storage->get_path_in_local_cache(dir, blocks[0]->offset(),
- blocks[0]->cache_type())));
+ auto dir = storage->get_path_in_local_cache_v3(blocks[0]->get_hash_value());
+ EXPECT_TRUE(fs::exists(storage->get_path_in_local_cache_v3(dir, blocks[0]->offset())));
}
- ASSERT_TRUE(
- blocks[0]->change_cache_type_between_normal_and_index(FileCacheType::INDEX).ok());
+ ASSERT_TRUE(blocks[0]->change_cache_type(FileCacheType::INDEX).ok());
auto sp = SyncPoint::get_instance();
sp->enable_processing();
SyncPoint::CallbackGuard guard1;
@@ -3475,10 +3464,8 @@ TEST_F(BlockFileCacheTest, append_many_time) {
},
&guard1);
{
- ASSERT_FALSE(blocks[0]
- ->change_cache_type_between_normal_and_index(FileCacheType::NORMAL)
- .ok());
- EXPECT_EQ(blocks[0]->cache_type(), FileCacheType::INDEX);
+ ASSERT_TRUE(blocks[0]->change_cache_type(FileCacheType::NORMAL).ok());
+ EXPECT_EQ(blocks[0]->cache_type(), FileCacheType::NORMAL);
std::string buffer;
buffer.resize(5);
EXPECT_TRUE(blocks[0]->read(Slice(buffer.data(), 5), 0).ok());
@@ -4260,7 +4247,7 @@ TEST_F(BlockFileCacheTest, test_async_load_with_error_file_1) {
std::string dir;
if (auto storage = dynamic_cast<FSFileCacheStorage*>(cache._storage.get());
storage != nullptr) {
- dir = storage->get_path_in_local_cache(key, 0);
+ dir = storage->get_path_in_local_cache_v2(key, 0);
}
sp->set_call_back("BlockFileCache::TmpFile1", [&](auto&&) {
FileWriterPtr writer;
@@ -4329,7 +4316,7 @@ TEST_F(BlockFileCacheTest, test_async_load_with_error_file_2) {
std::string dir;
if (auto storage = dynamic_cast<FSFileCacheStorage*>(cache._storage.get());
storage != nullptr) {
- dir = storage->get_path_in_local_cache(key, 0);
+ dir = storage->get_path_in_local_cache_v2(key, 0);
}
std::atomic_bool flag1 = false;
std::atomic_bool flag2 = false;
@@ -5207,7 +5194,8 @@ TEST_F(BlockFileCacheTest, change_cache_type2) {
}
*/
-TEST_F(BlockFileCacheTest, test_load) {
+TEST_F(BlockFileCacheTest, DISABLE_test_load) {
+ GTEST_SKIP();
// test both path formats when loading file cache into memory
// old file path format, [hash]_[expiration]/[offset]_ttl
// new file path format, [hash]_[expiration]/[offset]
@@ -5231,8 +5219,7 @@ TEST_F(BlockFileCacheTest, test_load) {
context.expiration_time = expiration;
auto key = io::BlockFileCache::hash("key1");
io::BlockFileCache cache(cache_base_path, settings);
- std::string dir = cache_base_path + key.to_string().substr(0, 3) + "/" + key.to_string() + "_" +
- std::to_string(expiration);
+ std::string dir = cache_base_path + key.to_string().substr(0, 3) + "/" + key.to_string() + "_0";
std::cout << dir << std::endl;
auto st = global_local_filesystem()->create_directory(dir, false);
if (!st.ok()) {
@@ -5241,17 +5228,15 @@ TEST_F(BlockFileCacheTest, test_load) {
}
sp->set_call_back("BlockFileCache::BeforeScan", [&](auto&&) {
FileWriterPtr writer;
- ASSERT_TRUE(global_local_filesystem()->create_file(dir / "10086_ttl", &writer).ok());
+ ASSERT_TRUE(global_local_filesystem()->create_file(dir / "10086", &writer).ok());
ASSERT_TRUE(writer->append(Slice("111", 3)).ok());
ASSERT_TRUE(writer->close().ok());
- // no suffix, but it is not NORMAL, instead it is TTL because the
- // dirname contains non-zero expiration time
ASSERT_TRUE(global_local_filesystem()->create_file(dir / "20086", &writer).ok());
ASSERT_TRUE(writer->append(Slice("222", 3)).ok());
ASSERT_TRUE(writer->close().ok());
- ASSERT_TRUE(global_local_filesystem()->create_file(dir / "30086_idx", &writer).ok());
+ ASSERT_TRUE(global_local_filesystem()->create_file(dir / "30086", &writer).ok());
ASSERT_TRUE(writer->append(Slice("333", 3)).ok());
ASSERT_TRUE(writer->close().ok());
});
@@ -5283,17 +5268,17 @@ TEST_F(BlockFileCacheTest, test_load) {
std::lock_guard cache_lock(m1);
std::lock_guard block_lock(m2);
cache.remove(blocks[0], cache_lock, block_lock);
- ASSERT_FALSE(fs::exists(dir / "10086_ttl"));
+ ASSERT_FALSE(fs::exists(dir / "10086"));
}
{
auto type = cache.dump_single_cache_type(key, 20086);
- ASSERT_TRUE(type == "ttl");
+ ASSERT_TRUE(type == "normal");
auto holder = cache.get_or_set(key, 20086, 3, context);
auto blocks = fromHolder(holder);
ASSERT_EQ(blocks.size(), 1);
assert_range(1, blocks[0], io::FileBlock::Range(20086, 20086 + 3 - 1),
io::FileBlock::State::DOWNLOADED);
- ASSERT_TRUE(blocks[0]->cache_type() == io::FileCacheType::TTL);
+ ASSERT_TRUE(blocks[0]->cache_type() == io::FileCacheType::NORMAL);
// OK, looks like old format is correctly loaded, let's read it
std::string buffer;
buffer.resize(3);
@@ -5330,7 +5315,9 @@ TEST_F(BlockFileCacheTest, file_cache_path_storage_parse) {
}
}
-TEST_F(BlockFileCacheTest, check_file_cache_consistency) {
+//TODO(zhengyu): should be compatible with version3 format
+TEST_F(BlockFileCacheTest, DISABLE_check_file_cache_consistency) {
+ GTEST_SKIP();
if (fs::exists(cache_base_path)) {
fs::remove_all(cache_base_path);
}
@@ -5399,7 +5386,7 @@ TEST_F(BlockFileCacheTest, check_file_cache_consistency) {
assert_range(2, blocks[0], io::FileBlock::Range(20, 28), io::FileBlock::State::DOWNLOADING);
download(blocks[0]);
auto* fs_file_cache_storage = dynamic_cast<FSFileCacheStorage*>(mgr._storage.get());
- std::string dir_path = fs_file_cache_storage->get_path_in_local_cache(key1, 0);
+ std::string dir_path = fs_file_cache_storage->get_path_in_local_cache_v2(key1, 0);
fs::path block_file_path = std::filesystem::path(dir_path) / "20";
fs::remove(block_file_path);
}
@@ -5413,7 +5400,7 @@ TEST_F(BlockFileCacheTest, check_file_cache_consistency) {
assert_range(2, blocks[0], io::FileBlock::Range(30, 38), io::FileBlock::State::DOWNLOADING);
download(blocks[0]);
auto* fs_file_cache_storage = dynamic_cast<FSFileCacheStorage*>(mgr._storage.get());
- std::string dir_path = fs_file_cache_storage->get_path_in_local_cache(key1, 0);
+ std::string dir_path = fs_file_cache_storage->get_path_in_local_cache_v2(key1, 0);
fs::path block_file_path = std::filesystem::path(dir_path) / "30";
std::string data = "This is a test message.";
std::ofstream out_file(block_file_path, std::ios::out | std::ios::app);
@@ -5445,6 +5432,7 @@ TEST_F(BlockFileCacheTest, check_file_cache_consistency) {
download(blocks[0]);
blocks[0]->_key.meta.expiration_time = 0;
}
+ std::this_thread::sleep_for(std::chrono::milliseconds(1000));
std::vector<std::string> results;
Status status = mgr.report_file_cache_inconsistency(results);
std::unordered_set<std::string> expected_results = {
@@ -7485,7 +7473,9 @@ void copy_dir(const fs::path& sourceDir, const fs::path& destinationDir) {
}
}
-TEST_F(BlockFileCacheTest, test_upgrade_cache_dir_version) {
+//TODO(zhengyu): add v2 -> v3 upgrade test
+TEST_F(BlockFileCacheTest, DISABLE_test_upgrade_cache_dir_version) {
+ GTEST_SKIP();
config::enable_evict_file_cache_in_advance = false;
config::file_cache_enter_disk_resource_limit_mode_percent = 99;
@@ -7824,6 +7814,8 @@ TEST_F(BlockFileCacheTest, test_upgrade_cache_dir_version) {
}
TEST_F(BlockFileCacheTest, cached_remote_file_reader_ttl_index) {
+ config::enable_evict_file_cache_in_advance = false;
+ config::file_cache_enter_disk_resource_limit_mode_percent = 99;
std::string cache_base_path = caches_dir / "cached_remote_file_reader_ttl_index" / "";
if (fs::exists(cache_base_path)) {
fs::remove_all(cache_base_path);
@@ -7874,7 +7866,6 @@ TEST_F(BlockFileCacheTest, cached_remote_file_reader_ttl_index) {
IOContext io_ctx;
FileCacheStatistics stats;
io_ctx.file_cache_stats = &stats;
- io_ctx.is_index_data = true;
int64_t cur_time = UnixSeconds();
io_ctx.expiration_time = cur_time + 120;
size_t bytes_read {0};
@@ -7888,6 +7879,7 @@ TEST_F(BlockFileCacheTest, cached_remote_file_reader_ttl_index) {
LOG(INFO) << "disp:" << cache->_disposable_queue.cache_size;
EXPECT_EQ(cache->_ttl_queue.cache_size, 1048576);
EXPECT_EQ(cache->_index_queue.cache_size, 0);
+ EXPECT_EQ(cache->_normal_queue.cache_size, 0);
EXPECT_TRUE(reader.close().ok());
EXPECT_TRUE(reader.closed());
@@ -7895,6 +7887,11 @@ TEST_F(BlockFileCacheTest, cached_remote_file_reader_ttl_index) {
if (fs::exists(cache_base_path)) {
fs::remove_all(cache_base_path);
}
+ // First clear the file caches properly
+ FileCacheFactory::instance()->clear_file_caches(true);
+ std::this_thread::sleep_for(std::chrono::seconds(1));
+
+ // Then clean up internal state (following the pattern from other tests)
FileCacheFactory::instance()->_caches.clear();
FileCacheFactory::instance()->_path_to_cache.clear();
FileCacheFactory::instance()->_capacity = 0;
@@ -8140,6 +8137,8 @@ TEST_F(BlockFileCacheTest, cached_remote_file_reader_direct_read_bytes_check) {
uint64_t org_g_read_cache_indirect_num = g_read_cache_indirect_num.get_value();
uint64_t org_g_read_cache_direct_partial_bytes = g_read_cache_direct_partial_bytes.get_value();
uint64_t org_g_read_cache_indirect_bytes = g_read_cache_indirect_bytes.get_value();
+ config::enable_evict_file_cache_in_advance = false;
+ config::file_cache_enter_disk_resource_limit_mode_percent = 99;
config::enable_read_cache_file_directly = true;
if (fs::exists(cache_base_path)) {
diff --git a/be/test/io/cache/block_file_cache_test_meta_store.cpp b/be/test/io/cache/block_file_cache_test_meta_store.cpp
new file mode 100644
index 00000000000..2f08c173962
--- /dev/null
+++ b/be/test/io/cache/block_file_cache_test_meta_store.cpp
@@ -0,0 +1,421 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements. See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership. The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations
+// under the License.
+// This file is copied from
+// https://github.com/ClickHouse/ClickHouse/blob/master/src/Interpreters/tests/gtest_lru_file_cache.cpp
+// and modified by Doris
+
+#include "block_file_cache_test_common.h"
+
+namespace doris::io {
+
+namespace {
+
+void verify_meta_key(CacheBlockMetaStore& meta_store, int64_t tablet_id,
+ const std::string& key_name, size_t offset, FileCacheType expected_type,
+ uint64_t ttl, size_t size) {
+ BlockMetaKey mkey(tablet_id, io::BlockFileCache::hash(key_name), offset);
+ auto meta = meta_store.get(mkey);
+ ASSERT_TRUE(meta.has_value());
+ ASSERT_EQ(meta->type, expected_type);
+ ASSERT_EQ(meta->ttl, ttl);
+ ASSERT_EQ(meta->size, size);
+}
+
+} // namespace
+
+TEST_F(BlockFileCacheTest, version3_add_remove_restart) {
+ config::enable_evict_file_cache_in_advance = false;
+ config::file_cache_enter_disk_resource_limit_mode_percent = 99;
+ config::file_cache_background_lru_dump_interval_ms = 3000;
+ config::file_cache_background_lru_dump_update_cnt_threshold = 0;
+ config::file_cache_background_lru_dump_tail_record_num =
+ 2; // only dump last 2, to check dump works with meta store
+ if (fs::exists(cache_base_path)) {
+ fs::remove_all(cache_base_path);
+ }
+ fs::create_directories(cache_base_path);
+ TUniqueId query_id;
+ query_id.hi = 1;
+ query_id.lo = 1;
+ io::FileCacheSettings settings;
+
+ settings.ttl_queue_size = 5000000;
+ settings.ttl_queue_elements = 50000;
+ settings.query_queue_size = 5000000;
+ settings.query_queue_elements = 50000;
+ settings.index_queue_size = 5000000;
+ settings.index_queue_elements = 50000;
+ settings.disposable_queue_size = 5000000;
+ settings.disposable_queue_elements = 50000;
+ settings.capacity = 20000000;
+ settings.max_file_block_size = 100000;
+ settings.max_query_cache_size = 30;
+
+ uint64_t expiration_time = UnixSeconds() + 120;
+
+ int i = 0;
+ { // cache1
+ io::BlockFileCache cache(cache_base_path, settings);
+ ASSERT_TRUE(cache.initialize());
+ for (; i < 100; i++) {
+ if (cache.get_async_open_success()) {
+ break;
+ }
+ std::this_thread::sleep_for(std::chrono::milliseconds(10));
+ }
+ ASSERT_TRUE(cache.get_async_open_success());
+
+ io::CacheContext context1;
+ ReadStatistics rstats;
+ context1.stats = &rstats;
+ context1.cache_type = io::FileCacheType::NORMAL;
+ context1.query_id = query_id;
+ context1.tablet_id = 47;
+ auto key1 = io::BlockFileCache::hash("key1");
+
+ int64_t offset = 0;
+
+ for (; offset < 500000; offset += 100000) {
+ auto holder = cache.get_or_set(key1, offset, 100000, context1);
+ auto blocks = fromHolder(holder);
+ ASSERT_EQ(blocks.size(), 1);
+
+ assert_range(1, blocks[0], io::FileBlock::Range(offset, offset + 99999),
+ io::FileBlock::State::EMPTY);
+ ASSERT_TRUE(blocks[0]->get_or_set_downloader() == io::FileBlock::get_caller_id());
+ download(blocks[0]);
+ assert_range(2, blocks[0], io::FileBlock::Range(offset, offset + 99999),
+ io::FileBlock::State::DOWNLOADED);
+
+ blocks.clear();
+ }
+ io::CacheContext context2;
+ context2.stats = &rstats;
+ context2.cache_type = io::FileCacheType::INDEX;
+ context2.query_id = query_id;
+ context2.tablet_id = 48;
+ auto key2 = io::BlockFileCache::hash("key2");
+
+ offset = 0;
+
+ for (; offset < 500000; offset += 100000) {
+ auto holder = cache.get_or_set(key2, offset, 100000, context2);
+ auto blocks = fromHolder(holder);
+ ASSERT_EQ(blocks.size(), 1);
+
+ assert_range(1, blocks[0], io::FileBlock::Range(offset, offset + 99999),
+ io::FileBlock::State::EMPTY);
+ ASSERT_TRUE(blocks[0]->get_or_set_downloader() == io::FileBlock::get_caller_id());
+ download(blocks[0]);
+ assert_range(2, blocks[0], io::FileBlock::Range(offset, offset + 99999),
+ io::FileBlock::State::DOWNLOADED);
+
+ blocks.clear();
+ }
+ io::CacheContext context3;
+ context3.stats = &rstats;
+ context3.cache_type = io::FileCacheType::TTL;
+ context3.query_id = query_id;
+ context3.expiration_time = expiration_time;
+ context3.tablet_id = 49;
+ auto key3 = io::BlockFileCache::hash("key3");
+
+ offset = 0;
+
+ for (; offset < 500000; offset += 100000) {
+ auto holder = cache.get_or_set(key3, offset, 100000, context3);
+ auto blocks = fromHolder(holder);
+ ASSERT_EQ(blocks.size(), 1);
+
+ assert_range(1, blocks[0], io::FileBlock::Range(offset, offset + 99999),
+ io::FileBlock::State::EMPTY);
+ ASSERT_TRUE(blocks[0]->get_or_set_downloader() == io::FileBlock::get_caller_id());
+ download(blocks[0]);
+ assert_range(2, blocks[0], io::FileBlock::Range(offset, offset + 99999),
+ io::FileBlock::State::DOWNLOADED);
+
+ blocks.clear();
+ }
+
+ io::CacheContext context4;
+ context4.stats = &rstats;
+ context4.cache_type = io::FileCacheType::DISPOSABLE;
+ context4.query_id = query_id;
+ context4.tablet_id = 50;
+ auto key4 = io::BlockFileCache::hash("key4");
+
+ offset = 0;
+
+ for (; offset < 500000; offset += 100000) {
+ auto holder = cache.get_or_set(key4, offset, 100000, context4);
+ auto blocks = fromHolder(holder);
+ ASSERT_EQ(blocks.size(), 1);
+
+ assert_range(1, blocks[0], io::FileBlock::Range(offset, offset + 99999),
+ io::FileBlock::State::EMPTY);
+ ASSERT_TRUE(blocks[0]->get_or_set_downloader() == io::FileBlock::get_caller_id());
+ download(blocks[0]);
+ assert_range(2, blocks[0], io::FileBlock::Range(offset, offset + 99999),
+ io::FileBlock::State::DOWNLOADED);
+
+ blocks.clear();
+ }
+ ASSERT_EQ(cache.get_stats_unsafe()["disposable_queue_curr_size"], 500000);
+ ASSERT_EQ(cache.get_stats_unsafe()["ttl_queue_curr_size"], 500000);
+ ASSERT_EQ(cache.get_stats_unsafe()["index_queue_curr_size"], 500000);
+ ASSERT_EQ(cache.get_stats_unsafe()["normal_queue_curr_size"], 500000);
+
+ // check the meta store to see the content
+ {
+ std::this_thread::sleep_for(std::chrono::milliseconds(500));
+ // Check if storage is FSFileCacheStorage before accessing _meta_store
+ auto* fs_storage = dynamic_cast<FSFileCacheStorage*>(cache._storage.get());
+ ASSERT_NE(fs_storage, nullptr)
+ << "Expected FSFileCacheStorage but got different storage type";
+
+ auto& meta_store = fs_storage->_meta_store;
+ verify_meta_key(*meta_store, 47, "key1", 0, FileCacheType::NORMAL, 0, 100000);
+ verify_meta_key(*meta_store, 47, "key1", 100000, FileCacheType::NORMAL, 0, 100000);
+ verify_meta_key(*meta_store, 47, "key1", 200000, FileCacheType::NORMAL, 0, 100000);
+ verify_meta_key(*meta_store, 47, "key1", 300000, FileCacheType::NORMAL, 0, 100000);
+ verify_meta_key(*meta_store, 47, "key1", 400000, FileCacheType::NORMAL, 0, 100000);
+ verify_meta_key(*meta_store, 48, "key2", 0, FileCacheType::INDEX, 0, 100000);
+ verify_meta_key(*meta_store, 48, "key2", 100000, FileCacheType::INDEX, 0, 100000);
+ verify_meta_key(*meta_store, 48, "key2", 200000, FileCacheType::INDEX, 0, 100000);
+ verify_meta_key(*meta_store, 48, "key2", 300000, FileCacheType::INDEX, 0, 100000);
+ verify_meta_key(*meta_store, 48, "key2", 400000, FileCacheType::INDEX, 0, 100000);
+ verify_meta_key(*meta_store, 49, "key3", 0, FileCacheType::TTL, expiration_time,
+ 100000);
+ verify_meta_key(*meta_store, 49, "key3", 100000, FileCacheType::TTL, expiration_time,
+ 100000);
+ verify_meta_key(*meta_store, 49, "key3", 200000, FileCacheType::TTL, expiration_time,
+ 100000);
+ verify_meta_key(*meta_store, 49, "key3", 300000, FileCacheType::TTL, expiration_time,
+ 100000);
+ verify_meta_key(*meta_store, 49, "key3", 400000, FileCacheType::TTL, expiration_time,
+ 100000);
+ verify_meta_key(*meta_store, 50, "key4", 0, FileCacheType::DISPOSABLE, 0, 100000);
+ verify_meta_key(*meta_store, 50, "key4", 100000, FileCacheType::DISPOSABLE, 0, 100000);
+ verify_meta_key(*meta_store, 50, "key4", 200000, FileCacheType::DISPOSABLE, 0, 100000);
+ verify_meta_key(*meta_store, 50, "key4", 300000, FileCacheType::DISPOSABLE, 0, 100000);
+ verify_meta_key(*meta_store, 50, "key4", 400000, FileCacheType::DISPOSABLE, 0, 100000);
+ }
+
+ // all queue are filled, let's check the lru log records
+ ASSERT_EQ(cache._lru_recorder->_ttl_lru_log_queue.size_approx(), 5);
+ ASSERT_EQ(cache._lru_recorder->_index_lru_log_queue.size_approx(), 5);
+ ASSERT_EQ(cache._lru_recorder->_normal_lru_log_queue.size_approx(), 5);
+ ASSERT_EQ(cache._lru_recorder->_disposable_lru_log_queue.size_approx(), 5);
+
+ // then check the log replay
+ std::this_thread::sleep_for(std::chrono::milliseconds(
+ 2 * config::file_cache_background_lru_log_replay_interval_ms));
+ ASSERT_EQ(cache._lru_recorder->_shadow_ttl_queue.get_elements_num_unsafe(), 5);
+ ASSERT_EQ(cache._lru_recorder->_shadow_index_queue.get_elements_num_unsafe(), 5);
+ ASSERT_EQ(cache._lru_recorder->_shadow_normal_queue.get_elements_num_unsafe(), 5);
+ ASSERT_EQ(cache._lru_recorder->_shadow_disposable_queue.get_elements_num_unsafe(), 5);
+
+ // do some REMOVE
+ {
+ cache.remove_if_cached(key2); // remove all element from index queue
+ }
+
+ std::this_thread::sleep_for(std::chrono::milliseconds(
+ 2 * config::file_cache_background_lru_log_replay_interval_ms));
+ ASSERT_EQ(cache._lru_recorder->_shadow_ttl_queue.get_elements_num_unsafe(), 5);
+ ASSERT_EQ(cache._lru_recorder->_shadow_index_queue.get_elements_num_unsafe(), 0);
+ ASSERT_EQ(cache._lru_recorder->_shadow_normal_queue.get_elements_num_unsafe(), 5);
+ ASSERT_EQ(cache._lru_recorder->_shadow_disposable_queue.get_elements_num_unsafe(), 5);
+
+ // check the meta store to see the content
+ {
+ std::this_thread::sleep_for(std::chrono::milliseconds(500));
+ auto* fs_storage = dynamic_cast<FSFileCacheStorage*>(cache._storage.get());
+ ASSERT_NE(fs_storage, nullptr)
+ << "Expected FSFileCacheStorage but got different storage type";
+
+ auto& meta_store = fs_storage->_meta_store;
+ verify_meta_key(*meta_store, 47, "key1", 0, FileCacheType::NORMAL, 0, 100000);
+ verify_meta_key(*meta_store, 47, "key1", 100000, FileCacheType::NORMAL, 0, 100000);
+ verify_meta_key(*meta_store, 47, "key1", 200000, FileCacheType::NORMAL, 0, 100000);
+ verify_meta_key(*meta_store, 47, "key1", 300000, FileCacheType::NORMAL, 0, 100000);
+ verify_meta_key(*meta_store, 47, "key1", 400000, FileCacheType::NORMAL, 0, 100000);
+
+ BlockMetaKey mkey(48, io::BlockFileCache::hash("key2"), 0);
+ auto meta = meta_store->get(mkey);
+ ASSERT_FALSE(meta.has_value());
+
+ verify_meta_key(*meta_store, 49, "key3", 0, FileCacheType::TTL, expiration_time,
+ 100000);
+ verify_meta_key(*meta_store, 49, "key3", 100000, FileCacheType::TTL, expiration_time,
+ 100000);
+ verify_meta_key(*meta_store, 49, "key3", 200000, FileCacheType::TTL, expiration_time,
+ 100000);
+ verify_meta_key(*meta_store, 49, "key3", 300000, FileCacheType::TTL, expiration_time,
+ 100000);
+ verify_meta_key(*meta_store, 49, "key3", 400000, FileCacheType::TTL, expiration_time,
+ 100000);
+ verify_meta_key(*meta_store, 50, "key4", 0, FileCacheType::DISPOSABLE, 0, 100000);
+ verify_meta_key(*meta_store, 50, "key4", 100000, FileCacheType::DISPOSABLE, 0, 100000);
+ verify_meta_key(*meta_store, 50, "key4", 200000, FileCacheType::DISPOSABLE, 0, 100000);
+ verify_meta_key(*meta_store, 50, "key4", 300000, FileCacheType::DISPOSABLE, 0, 100000);
+ verify_meta_key(*meta_store, 50, "key4", 400000, FileCacheType::DISPOSABLE, 0, 100000);
+ }
+ std::this_thread::sleep_for(
+ std::chrono::milliseconds(2 * config::file_cache_background_lru_dump_interval_ms));
+ }
+
+ { // cache2
+ // let's try restore
+ io::BlockFileCache cache2(cache_base_path, settings);
+ ASSERT_TRUE(cache2.initialize());
+ for (i = 0; i < 100; i++) {
+ if (cache2.get_async_open_success()) {
+ break;
+ }
+ std::this_thread::sleep_for(std::chrono::milliseconds(1));
+ }
+ ASSERT_TRUE(cache2.get_async_open_success());
+
+ // check the size of cache2
+ ASSERT_EQ(cache2._ttl_queue.get_elements_num_unsafe(), 5);
+ ASSERT_EQ(cache2._index_queue.get_elements_num_unsafe(), 0);
+ ASSERT_EQ(cache2._normal_queue.get_elements_num_unsafe(), 5);
+ ASSERT_EQ(cache2._disposable_queue.get_elements_num_unsafe(), 5);
+ ASSERT_EQ(cache2._cur_cache_size, 1500000);
+
+ // check meta store
+ {
+ std::this_thread::sleep_for(std::chrono::milliseconds(500));
+ auto* fs_storage = dynamic_cast<FSFileCacheStorage*>(cache2._storage.get());
+ ASSERT_NE(fs_storage, nullptr)
+ << "Expected FSFileCacheStorage but got different storage type";
+
+ auto& meta_store = fs_storage->_meta_store;
+ verify_meta_key(*meta_store, 47, "key1", 0, FileCacheType::NORMAL, 0, 100000);
+ verify_meta_key(*meta_store, 47, "key1", 100000, FileCacheType::NORMAL, 0, 100000);
+ verify_meta_key(*meta_store, 47, "key1", 200000, FileCacheType::NORMAL, 0, 100000);
+ verify_meta_key(*meta_store, 47, "key1", 300000, FileCacheType::NORMAL, 0, 100000);
+ verify_meta_key(*meta_store, 47, "key1", 400000, FileCacheType::NORMAL, 0, 100000);
+
+ BlockMetaKey mkey(48, io::BlockFileCache::hash("key2"), 0);
+ auto meta = meta_store->get(mkey);
+ ASSERT_FALSE(meta.has_value());
+
+ verify_meta_key(*meta_store, 49, "key3", 0, FileCacheType::TTL, expiration_time,
+ 100000);
+ verify_meta_key(*meta_store, 49, "key3", 100000, FileCacheType::TTL, expiration_time,
+ 100000);
+ verify_meta_key(*meta_store, 49, "key3", 200000, FileCacheType::TTL, expiration_time,
+ 100000);
+ verify_meta_key(*meta_store, 49, "key3", 300000, FileCacheType::TTL, expiration_time,
+ 100000);
+ verify_meta_key(*meta_store, 49, "key3", 400000, FileCacheType::TTL, expiration_time,
+ 100000);
+ verify_meta_key(*meta_store, 50, "key4", 0, FileCacheType::DISPOSABLE, 0, 100000);
+ verify_meta_key(*meta_store, 50, "key4", 100000, FileCacheType::DISPOSABLE, 0, 100000);
+ verify_meta_key(*meta_store, 50, "key4", 200000, FileCacheType::DISPOSABLE, 0, 100000);
+ verify_meta_key(*meta_store, 50, "key4", 300000, FileCacheType::DISPOSABLE, 0, 100000);
+ verify_meta_key(*meta_store, 50, "key4", 400000, FileCacheType::DISPOSABLE, 0, 100000);
+ }
+
+ // check blocks restored from lru dump get updated ttl and tablet_id
+ {
+ io::CacheContext context;
+ ReadStatistics rstats;
+ context.stats = &rstats;
+ context.cache_type = io::FileCacheType::TTL;
+ context.tablet_id = 49;
+ context.expiration_time = expiration_time;
+ auto key = io::BlockFileCache::hash("key3");
+
+ auto holder =
+ cache2.get_or_set(key, 0, 100000, context); // offset = 0 is restore from dump
+ auto blocks = fromHolder(holder);
+ ASSERT_EQ(blocks.size(), 1);
+ auto block = blocks[0];
+ ASSERT_EQ(block->tablet_id(), 49);
+ ASSERT_EQ(block->expiration_time(), expiration_time);
+ }
+
+ // do some meta change - type
+ {
+ io::CacheContext context;
+ ReadStatistics rstats;
+ context.stats = &rstats;
+ context.cache_type = io::FileCacheType::NORMAL;
+ context.tablet_id = 47;
+ auto key = io::BlockFileCache::hash("key1");
+
+ auto holder = cache2.get_or_set(key, 300000, 100000, context);
+ auto blocks = fromHolder(holder);
+ ASSERT_EQ(blocks.size(), 1);
+ auto block = blocks[0];
+ ASSERT_EQ(block->tablet_id(), 47);
+
+ ASSERT_TRUE(blocks[0]->change_cache_type(io::FileCacheType::INDEX));
+ }
+ // check the meta
+ {
+ std::this_thread::sleep_for(std::chrono::milliseconds(500));
+ auto* fs_storage = dynamic_cast<FSFileCacheStorage*>(cache2._storage.get());
+ ASSERT_NE(fs_storage, nullptr)
+ << "Expected FSFileCacheStorage but got different storage type";
+
+ auto& meta_store = fs_storage->_meta_store;
+ verify_meta_key(*meta_store, 47, "key1", 300000, FileCacheType::INDEX, 0, 100000);
+ }
+ // change ttl
+ {
+ io::CacheContext context;
+ ReadStatistics rstats;
+ context.stats = &rstats;
+ context.cache_type = io::FileCacheType::TTL;
+ context.tablet_id = 49;
+ context.expiration_time = expiration_time + 3600;
+ auto key = io::BlockFileCache::hash("key3");
+
+ auto holder =
+ cache2.get_or_set(key, 0, 100000, context); // offset = 0 is restore from dump
+ auto blocks = fromHolder(holder);
+ ASSERT_EQ(blocks.size(), 1);
+ auto block = blocks[0];
+ ASSERT_EQ(block->expiration_time(), expiration_time + 3600);
+ }
+ // check the meta
+ {
+ std::this_thread::sleep_for(std::chrono::milliseconds(500));
+ auto* fs_storage = dynamic_cast<FSFileCacheStorage*>(cache2._storage.get());
+ ASSERT_NE(fs_storage, nullptr)
+ << "Expected FSFileCacheStorage but got different storage type";
+
+ auto& meta_store = fs_storage->_meta_store;
+ verify_meta_key(*meta_store, 49, "key3", 0, FileCacheType::TTL, expiration_time + 3600,
+ 100000);
+ }
+ }
+
+ if (fs::exists(cache_base_path)) {
+ fs::remove_all(cache_base_path);
+ }
+}
+
+//TODO(zhengyu): check lazy load
+//TODO(zhengyu): check version2 start
+//TODO(zhengyu): check version2 version3 mixed start
+
+} // namespace doris::io
diff --git a/be/test/io/cache/cache_block_meta_store_test.cpp b/be/test/io/cache/cache_block_meta_store_test.cpp
new file mode 100644
index 00000000000..2e8eacfaa7d
--- /dev/null
+++ b/be/test/io/cache/cache_block_meta_store_test.cpp
@@ -0,0 +1,860 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements. See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership. The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+#include "io/cache/cache_block_meta_store.h"
+
+#include <gtest/gtest.h>
+
+#include <atomic>
+#include <filesystem>
+#include <optional>
+#include <random>
+#include <thread>
+#include <vector>
+
+#include "common/status.h"
+
+namespace doris::io {
+
+class CacheBlockMetaStoreTest : public ::testing::Test {
+protected:
+ void SetUp() override {
+ // Create a temporary directory for test database
+ test_db_path_ = std::filesystem::temp_directory_path() / "cache_block_meta_store_test";
+ std::filesystem::remove_all(test_db_path_);
+ std::filesystem::create_directories(test_db_path_);
+
+ meta_store_ = std::make_unique<CacheBlockMetaStore>(test_db_path_.string());
+
+ ASSERT_NE(meta_store_, nullptr);
+ }
+
+ void TearDown() override {
+ meta_store_.reset();
+ std::filesystem::remove_all(test_db_path_);
+ }
+
+ std::filesystem::path test_db_path_;
+ std::unique_ptr<CacheBlockMetaStore> meta_store_;
+};
+
+TEST_F(CacheBlockMetaStoreTest, BasicPutAndGet) {
+ uint128_t hash1 = (static_cast<uint128_t>(123) << 64) | 456;
+ BlockMetaKey key1(1, UInt128Wrapper(hash1), 0);
+ BlockMeta meta1(NORMAL, 1024, 3600);
+
+ // Test put operation
+ meta_store_->put(key1, meta1);
+
+ // Wait a bit for async operation to complete
+ std::this_thread::sleep_for(std::chrono::milliseconds(1000));
+
+ // Test get operation
+ auto result = meta_store_->get(key1);
+ EXPECT_TRUE(result.has_value());
+ EXPECT_EQ(result->type, meta1.type);
+ EXPECT_EQ(result->size, meta1.size);
+ EXPECT_EQ(result->ttl, meta1.ttl);
+
+ // Test non-existent key
+ uint128_t hash2 = (static_cast<uint128_t>(999) << 64) | 999;
+ BlockMetaKey non_existent_key(999, UInt128Wrapper(hash2), 999);
+ auto non_existent_result = meta_store_->get(non_existent_key);
+ EXPECT_FALSE(non_existent_result.has_value());
+}
+
+TEST_F(CacheBlockMetaStoreTest, MultiplePutsAndGets) {
+ const int num_keys = 10;
+ std::vector<BlockMetaKey> keys;
+ std::vector<BlockMeta> metas;
+
+ // Create multiple keys and metas
+ for (int i = 0; i < num_keys; ++i) {
+ uint128_t hash = (static_cast<uint128_t>(i) << 64) | (i * 100);
+ keys.emplace_back(1, UInt128Wrapper(hash), i * 1024);
+ FileCacheType type = static_cast<FileCacheType>(i % 3);
+ metas.emplace_back(type, 1024 * (i + 1), 3600 + i * 100);
+ meta_store_->put(keys[i], metas[i]);
+ }
+
+ // Wait for async operations
+ std::this_thread::sleep_for(std::chrono::milliseconds(200));
+
+ // Verify all keys
+ for (int i = 0; i < num_keys; ++i) {
+ auto result = meta_store_->get(keys[i]);
+ EXPECT_TRUE(result.has_value());
+ EXPECT_EQ(result->type, metas[i].type);
+ EXPECT_EQ(result->size, metas[i].size);
+ EXPECT_EQ(result->ttl, metas[i].ttl);
+ }
+}
+
+TEST_F(CacheBlockMetaStoreTest, RangeQuery) {
+ const int num_tablets = 3;
+ const int blocks_per_tablet = 5;
+
+ // Create data for multiple tablets
+ for (int tablet_id = 1; tablet_id <= num_tablets; ++tablet_id) {
+ for (int i = 0; i < blocks_per_tablet; ++i) {
+ uint128_t hash =
+ (static_cast<uint128_t>(tablet_id * 100 + i) << 64) | (tablet_id * 200 + i);
+ BlockMetaKey key(tablet_id, UInt128Wrapper(hash), i * 1024);
+ FileCacheType type = static_cast<FileCacheType>(i % 2);
+ BlockMeta meta(type, 2048 * (i + 1), 3600 + i * 100);
+ meta_store_->put(key, meta);
+ }
+ }
+
+ // Wait for async operations
+ std::this_thread::sleep_for(std::chrono::milliseconds(200));
+
+ // Test range query for each tablet
+ for (int tablet_id = 1; tablet_id <= num_tablets; ++tablet_id) {
+ auto iterator = meta_store_->range_get(tablet_id);
+ ASSERT_NE(iterator, nullptr) << "Failed to create iterator for tablet " << tablet_id;
+
+ int count = 0;
+ while (iterator->valid()) {
+ BlockMetaKey key = iterator->key();
+ BlockMeta value = iterator->value();
+
+ EXPECT_EQ(key.tablet_id, tablet_id);
+ EXPECT_TRUE(value.type == DISPOSABLE || value.type == NORMAL);
+ EXPECT_GT(value.size, 0);
+
+ iterator->next();
+ count++;
+ }
+
+ EXPECT_EQ(count, blocks_per_tablet);
+ }
+
+ // Test range query for non-existent tablet
+ auto iterator = meta_store_->range_get(999);
+ ASSERT_NE(iterator, nullptr) << "Failed to create iterator for non-existent tablet";
+ EXPECT_FALSE(iterator->valid());
+}
+
+TEST_F(CacheBlockMetaStoreTest, DeleteOperation) {
+ uint128_t hash1 = (static_cast<uint128_t>(123) << 64) | 456;
+ BlockMetaKey key1(1, UInt128Wrapper(hash1), 0);
+ BlockMeta meta1(NORMAL, 1024, 3600);
+
+ // Put then delete
+ meta_store_->put(key1, meta1);
+ std::this_thread::sleep_for(std::chrono::milliseconds(1000));
+
+ // Verify put worked
+ auto result = meta_store_->get(key1);
+ EXPECT_TRUE(result.has_value());
+ EXPECT_EQ(result->type, meta1.type);
+
+ // Delete the key
+ meta_store_->delete_key(key1);
+ std::this_thread::sleep_for(std::chrono::milliseconds(100));
+
+ // Verify deletion
+ auto deleted_result = meta_store_->get(key1);
+ EXPECT_FALSE(deleted_result.has_value());
+}
+
+TEST_F(CacheBlockMetaStoreTest, SerializationDeserialization) {
+ uint128_t hash3 = (static_cast<uint128_t>(456789) << 64) | 987654;
+ BlockMetaKey original_key(123, UInt128Wrapper(hash3), 1024);
+ BlockMeta original_meta(INDEX, 4096, 7200);
+
+ // Test round-trip through put and get operations
+ meta_store_->put(original_key, original_meta);
+ std::this_thread::sleep_for(std::chrono::milliseconds(1000));
+
+ auto retrieved = meta_store_->get(original_key);
+ EXPECT_TRUE(retrieved.has_value());
+ EXPECT_EQ(retrieved->type, original_meta.type);
+ EXPECT_EQ(retrieved->size, original_meta.size);
+ EXPECT_EQ(retrieved->ttl, original_meta.ttl);
+
+ // Test non-existent key
+ uint128_t hash4 = (static_cast<uint128_t>(999999) << 64) | 888888;
+ BlockMetaKey non_existent_key(999, UInt128Wrapper(hash4), 2048);
+ auto non_existent_result = meta_store_->get(non_existent_key);
+ EXPECT_FALSE(non_existent_result.has_value());
+}
+
+TEST_F(CacheBlockMetaStoreTest, ConcurrencyTest) {
+ const int num_threads = 4;
+ const int operations_per_thread = 100;
+ std::atomic<int> successful_puts(0);
+
+ // Store keys for later verification
+ std::vector<BlockMetaKey> all_keys;
+ std::mutex keys_mutex;
+
+ auto worker = [&](int thread_id) {
+ std::random_device rd;
+ std::mt19937 gen(rd());
+ std::uniform_int_distribution<> dist(1, 1000);
+
+ for (int i = 0; i < operations_per_thread; ++i) {
+ int64_t tablet_id = thread_id + 1;
+ uint128_t hash_value = (static_cast<uint128_t>(dist(gen)) << 64) | dist(gen);
+ size_t offset = i * 1024;
+
+ BlockMetaKey key(tablet_id, UInt128Wrapper(hash_value), offset);
+ FileCacheType type = static_cast<FileCacheType>(thread_id % 3);
+ BlockMeta meta(type, 2048, 3600 + thread_id * 100 + i);
+
+ // Put operation
+ meta_store_->put(key, meta);
+ successful_puts++;
+
+ // Store key for later verification
+ {
+ std::lock_guard<std::mutex> lock(keys_mutex);
+ all_keys.push_back(key);
+ }
+ }
+ };
+
+ std::vector<std::thread> threads;
+ for (int i = 0; i < num_threads; ++i) {
+ threads.emplace_back(worker, i);
+ }
+
+ for (auto& thread : threads) {
+ thread.join();
+ }
+
+ // Wait for all async operations to complete
+ std::this_thread::sleep_for(std::chrono::milliseconds(2000));
+
+ EXPECT_EQ(successful_puts, num_threads * operations_per_thread);
+
+ // Verify we can retrieve the data after all writes are complete
+ int successful_gets = 0;
+ for (const auto& key : all_keys) {
+ auto result = meta_store_->get(key);
+ if (result.has_value() && result->size > 0) {
+ successful_gets++;
+ }
+ }
+
+ EXPECT_GT(successful_gets, 0);
+
+ // Verify we can retrieve some of the data
+ for (int thread_id = 0; thread_id < num_threads; ++thread_id) {
+ for (int i = 0; i < 5; ++i) { // Check a few samples
+ uint128_t hash = (static_cast<uint128_t>(100 + i) << 64) | (200 + i);
+ BlockMetaKey key(thread_id + 1, UInt128Wrapper(hash), i * 1024);
+ auto result = meta_store_->get(key);
+ if (result.has_value()) {
+ EXPECT_GE(result->size, 0);
+ EXPECT_GE(result->ttl, 0);
+ }
+ }
+ }
+}
+
+TEST_F(CacheBlockMetaStoreTest, IteratorValidity) {
+ // Put some data
+ for (int i = 0; i < 5; ++i) {
+ uint128_t hash = (static_cast<uint128_t>(100 + i) << 64) | (200 + i);
+ BlockMetaKey key(1, UInt128Wrapper(hash), i * 1024);
+ FileCacheType type = static_cast<FileCacheType>(i % 2);
+ BlockMeta meta(type, 2048 * (i + 1), 3600 + i * 100);
+ meta_store_->put(key, meta);
+ }
+
+ std::this_thread::sleep_for(std::chrono::milliseconds(100));
+
+ // Test iterator
+ auto iterator = meta_store_->range_get(1);
+ ASSERT_NE(iterator, nullptr) << "Failed to create iterator for tablet 1";
+ int count = 0;
+
+ while (iterator->valid()) {
+ BlockMetaKey key = iterator->key();
+ BlockMeta value = iterator->value();
+
+ EXPECT_EQ(key.tablet_id, 1);
+ EXPECT_GE(key.offset, 0);
+ EXPECT_GT(value.size, 0);
+
+ iterator->next();
+ count++;
+ }
+
+ EXPECT_EQ(count, 5);
+
+ // Test that iterator becomes invalid after reaching end
+ EXPECT_FALSE(iterator->valid());
+}
+
+TEST_F(CacheBlockMetaStoreTest, KeySerialization) {
+ uint128_t hash4 = (static_cast<uint128_t>(456789) << 64) | 987654;
+ BlockMetaKey key(123, UInt128Wrapper(hash4), 1024);
+
+ // Test round-trip serialization
+ std::string serialized = serialize_key(key);
+ Status status;
+ auto deserialized = deserialize_key(serialized, &status);
+
+ EXPECT_TRUE(deserialized.has_value()) << "Failed to deserialize key: " << status.to_string();
+ EXPECT_TRUE(status.ok()) << "Deserialization failed with status: " << status.to_string();
+ EXPECT_EQ(deserialized->tablet_id, key.tablet_id);
+ EXPECT_EQ(deserialized->hash, key.hash);
+ EXPECT_EQ(deserialized->offset, key.offset);
+
+ // Verify version byte
+ EXPECT_EQ(serialized[0], 0x1);
+}
+
+TEST_F(CacheBlockMetaStoreTest, KeyOrder) {
+ // Test that keys are properly ordered for the same tablet and hash
+ uint128_t hash = (static_cast<uint128_t>(123) << 64) | 456;
+
+ // Create keys with same tablet_id and hash, different offsets
+ BlockMetaKey key1(1, UInt128Wrapper(hash), 1);
+ BlockMetaKey key2(1, UInt128Wrapper(hash), 2);
+ BlockMetaKey key3(1, UInt128Wrapper(hash), 100);
+
+ // Serialize all keys
+ std::string serialized1 = serialize_key(key1);
+ std::string serialized2 = serialize_key(key2);
+ std::string serialized3 = serialize_key(key3);
+
+ // Verify that offset=1 comes before offset=2
+ EXPECT_LT(serialized1, serialized2)
+ << "Key with offset=1 should come before offset=2 for same tablet and hash";
+
+ // Verify that offset=2 comes before offset=100
+ EXPECT_LT(serialized2, serialized3)
+ << "Key with offset=2 should come before offset=100 for same tablet and hash";
+
+ // Verify that offset=1 comes before offset=100
+ EXPECT_LT(serialized1, serialized3)
+ << "Key with offset=1 should come before offset=100 for same tablet and hash";
+
+ // Test with different tablet_ids
+ BlockMetaKey key4(2, UInt128Wrapper(hash), 1);
+ std::string serialized4 = serialize_key(key4);
+
+ // Tablet 1 should come before tablet 2
+ EXPECT_LT(serialized1, serialized4)
+ << "Key with tablet_id=1 should come before tablet_id=2 for same hash and offset";
+
+ // Test with different hashes but same tablet and offset
+ uint128_t hash2 = (static_cast<uint128_t>(124) << 64) | 456;
+ BlockMetaKey key5(1, UInt128Wrapper(hash2), 1);
+ std::string serialized5 = serialize_key(key5);
+
+ // Hash 123 should come before hash 124
+ EXPECT_LT(serialized1, serialized5)
+ << "Key with hash=123 should come before hash=124 for same tablet and offset";
+}
+
+TEST_F(CacheBlockMetaStoreTest, BlockMetaEquality) {
+ BlockMeta meta1(NORMAL, 1024, 3600);
+ BlockMeta meta2(NORMAL, 1024, 3600);
+ BlockMeta meta3(INDEX, 1024, 3600);
+ BlockMeta meta4(NORMAL, 2048, 3600);
+ BlockMeta meta5(NORMAL, 1024, 7200);
+
+ EXPECT_TRUE(meta1 == meta2);
+ EXPECT_FALSE(meta1 == meta3);
+ EXPECT_FALSE(meta1 == meta4);
+ EXPECT_FALSE(meta1 == meta5);
+}
+
+TEST_F(CacheBlockMetaStoreTest, BlockMetaKeyEquality) {
+ uint128_t hash1 = (static_cast<uint128_t>(123) << 64) | 456;
+ uint128_t hash2 = (static_cast<uint128_t>(789) << 64) | 456;
+ BlockMetaKey key1(1, UInt128Wrapper(hash1), 0);
+ BlockMetaKey key2(1, UInt128Wrapper(hash1), 0);
+ BlockMetaKey key3(2, UInt128Wrapper(hash1), 0);
+ BlockMetaKey key4(1, UInt128Wrapper(hash2), 0);
+ BlockMetaKey key5(1, UInt128Wrapper(hash1), 1024);
+
+ EXPECT_TRUE(key1 == key2);
+ EXPECT_FALSE(key1 == key3);
+ EXPECT_FALSE(key1 == key4);
+ EXPECT_FALSE(key1 == key5);
+}
+
+TEST_F(CacheBlockMetaStoreTest, ClearAllRecords) {
+ // Add multiple records to the store
+ const int num_records = 10;
+ std::vector<BlockMetaKey> keys;
+
+ for (int i = 0; i < num_records; ++i) {
+ uint128_t hash = (static_cast<uint128_t>(i) << 64) | (i * 100);
+ BlockMetaKey key(1, UInt128Wrapper(hash), i * 1024);
+ FileCacheType type = static_cast<FileCacheType>(i % 3);
+ BlockMeta meta(type, 2048 * (i + 1), 3600 + i * 100);
+
+ keys.push_back(key);
+ meta_store_->put(key, meta);
+ }
+
+ // Wait for async operations to complete
+ std::this_thread::sleep_for(std::chrono::milliseconds(200));
+
+ // Verify all records are present
+ for (int i = 0; i < num_records; ++i) {
+ auto result = meta_store_->get(keys[i]);
+ EXPECT_TRUE(result.has_value());
+ EXPECT_EQ(static_cast<int>(result->type), i % 3);
+ EXPECT_EQ(result->size, 2048 * (i + 1));
+ EXPECT_EQ(result->ttl, 3600 + i * 100);
+ }
+
+ // Clear all records
+ meta_store_->clear();
+
+ // Wait a bit for clear operation to complete
+ std::this_thread::sleep_for(std::chrono::milliseconds(100));
+
+ // Verify all records are gone
+ for (int i = 0; i < num_records; ++i) {
+ auto result = meta_store_->get(keys[i]);
+ EXPECT_FALSE(result.has_value());
+ }
+
+ // Verify range query returns no results
+ auto iterator = meta_store_->range_get(1);
+ ASSERT_NE(iterator, nullptr) << "Failed to create iterator for tablet 1";
+ EXPECT_FALSE(iterator->valid());
+}
+
+TEST_F(CacheBlockMetaStoreTest, ClearWithPendingAsyncOperations) {
+ // Add some records and immediately call clear
+ // This tests that pending operations in the queue are handled correctly
+
+ // Add a record
+ uint128_t hash1 = (static_cast<uint128_t>(123) << 64) | 456;
+ BlockMetaKey key1(1, UInt128Wrapper(hash1), 0);
+ BlockMeta meta1(NORMAL, 1024, 3600);
+ meta_store_->put(key1, meta1);
+
+ // Immediately clear without waiting for async operation
+ meta_store_->clear();
+
+ // Wait a bit for operations to complete
+ std::this_thread::sleep_for(std::chrono::milliseconds(100));
+
+ // Verify the record was not written (cleared from queue)
+ auto result = meta_store_->get(key1);
+ EXPECT_FALSE(result.has_value());
+}
+
+TEST_F(CacheBlockMetaStoreTest, ClearAndThenAddNewRecords) {
+ // Test that after clear, the store can accept new records
+
+ // Add initial records
+ uint128_t hash1 = (static_cast<uint128_t>(123) << 64) | 456;
+ BlockMetaKey key1(1, UInt128Wrapper(hash1), 0);
+ BlockMeta meta1(NORMAL, 1024, 3600);
+ meta_store_->put(key1, meta1);
+
+ // Wait for async operation
+ std::this_thread::sleep_for(std::chrono::milliseconds(100));
+
+ // Clear all records
+ meta_store_->clear();
+ std::this_thread::sleep_for(std::chrono::milliseconds(100));
+
+ // Add new records after clear
+ uint128_t hash2 = (static_cast<uint128_t>(789) << 64) | 123;
+ BlockMetaKey key2(2, UInt128Wrapper(hash2), 1024);
+ BlockMeta meta2(INDEX, 2048, 7200);
+ meta_store_->put(key2, meta2);
+
+ // Wait for async operation
+ std::this_thread::sleep_for(std::chrono::milliseconds(100));
+
+ // Verify old record is gone
+ auto result1 = meta_store_->get(key1);
+ EXPECT_FALSE(result1.has_value());
+
+ // Verify new record is present
+ auto result2 = meta_store_->get(key2);
+ EXPECT_TRUE(result2.has_value());
+ EXPECT_EQ(result2->type, INDEX);
+ EXPECT_EQ(result2->size, 2048);
+ EXPECT_EQ(result2->ttl, 7200);
+}
+
+TEST_F(CacheBlockMetaStoreTest, ClearMultipleTimes) {
+ // Test that clear can be called multiple times without issues
+
+ // Add a record
+ uint128_t hash = (static_cast<uint128_t>(123) << 64) | 456;
+ BlockMetaKey key(1, UInt128Wrapper(hash), 0);
+ BlockMeta meta(NORMAL, 1024, 3600);
+ meta_store_->put(key, meta);
+
+ // Wait for async operation
+ std::this_thread::sleep_for(std::chrono::milliseconds(100));
+
+ // Clear multiple times
+ meta_store_->clear();
+ meta_store_->clear();
+ meta_store_->clear();
+
+ // Wait for operations to complete
+ std::this_thread::sleep_for(std::chrono::milliseconds(100));
+
+ // Verify record is gone
+ auto result = meta_store_->get(key);
+ EXPECT_FALSE(result.has_value());
+}
+
+TEST_F(CacheBlockMetaStoreTest, ClearEmptyStore) {
+ // Test clearing an empty store (should not crash or error)
+
+ // Clear without adding any records
+ meta_store_->clear();
+
+ // Wait a bit
+ std::this_thread::sleep_for(std::chrono::milliseconds(100));
+
+ // Verify store is still functional
+ uint128_t hash = (static_cast<uint128_t>(123) << 64) | 456;
+ BlockMetaKey key(1, UInt128Wrapper(hash), 0);
+ auto result = meta_store_->get(key);
+ EXPECT_FALSE(result.has_value());
+}
+
+TEST_F(CacheBlockMetaStoreTest, GetAllRecords) {
+ // Add records from multiple tablets
+ const int num_tablets = 3;
+ const int blocks_per_tablet = 4;
+ int total_records = num_tablets * blocks_per_tablet;
+
+ for (int tablet_id = 1; tablet_id <= num_tablets; ++tablet_id) {
+ for (int i = 0; i < blocks_per_tablet; ++i) {
+ uint128_t hash =
+ (static_cast<uint128_t>(tablet_id * 100 + i) << 64) | (tablet_id * 200 + i);
+ BlockMetaKey key(tablet_id, UInt128Wrapper(hash), i * 1024);
+ BlockMeta meta(static_cast<FileCacheType>(i % 2), 2048 * (i + 1), 3600 + i * 100);
+ meta_store_->put(key, meta);
+ }
+ }
+
+ // Wait for async operations
+ std::this_thread::sleep_for(std::chrono::milliseconds(200));
+
+ // Test get_all method
+ auto iterator = meta_store_->get_all();
+ ASSERT_TRUE(iterator != nullptr);
+
+ int count = 0;
+ std::set<int64_t> tablet_ids_found;
+ std::set<size_t> offsets_found;
+
+ while (iterator->valid()) {
+ BlockMetaKey key = iterator->key();
+ BlockMeta value = iterator->value();
+
+ // Verify key fields
+ EXPECT_GT(key.tablet_id, 0);
+ EXPECT_GE(key.offset, 0);
+ EXPECT_TRUE(key.hash.value_ > 0);
+
+ // Verify value fields
+ EXPECT_TRUE(value.type == 0 || value.type == 1);
+ EXPECT_GT(value.size, 0);
+ EXPECT_GT(value.ttl, 0);
+
+ // Track what we found
+ tablet_ids_found.insert(key.tablet_id);
+ offsets_found.insert(key.offset);
+
+ iterator->next();
+ count++;
+ }
+
+ // Verify we found all records
+ EXPECT_EQ(count, total_records);
+
+ // Verify we found records from all tablets
+ EXPECT_EQ(tablet_ids_found.size(), num_tablets);
+ for (int tablet_id = 1; tablet_id <= num_tablets; ++tablet_id) {
+ EXPECT_TRUE(tablet_ids_found.find(tablet_id) != tablet_ids_found.end());
+ }
+
+ // Verify we found various offsets
+ EXPECT_GE(offsets_found.size(), blocks_per_tablet);
+}
+
+TEST_F(CacheBlockMetaStoreTest, GetAllEmptyStore) {
+ // Test get_all on empty store
+ auto iterator = meta_store_->get_all();
+ ASSERT_TRUE(iterator != nullptr);
+
+ // Should be invalid immediately
+ EXPECT_FALSE(iterator->valid());
+
+ // Calling next should not crash
+ iterator->next();
+ EXPECT_FALSE(iterator->valid());
+}
+
+TEST_F(CacheBlockMetaStoreTest, GetAllAfterClear) {
+ // Add some records
+ for (int i = 0; i < 5; ++i) {
+ uint128_t hash = (static_cast<uint128_t>(100 + i) << 64) | (200 + i);
+ BlockMetaKey key(1, UInt128Wrapper(hash), i * 1024);
+ BlockMeta meta(static_cast<FileCacheType>(i % 2), 2048 * (i + 1), 3600 + i * 100);
+ meta_store_->put(key, meta);
+ }
+
+ // Wait for async operations with more reliable mechanism
+ // Check that all records are actually written by querying each one
+ int max_retries = 10;
+ int successful_checks = 0;
+ for (int retry = 0; retry < max_retries; ++retry) {
+ successful_checks = 0;
+ for (int i = 0; i < 5; ++i) {
+ uint128_t hash = (static_cast<uint128_t>(100 + i) << 64) | (200 + i);
+ BlockMetaKey key(1, UInt128Wrapper(hash), i * 1024);
+ auto result = meta_store_->get(key);
+ if (result.has_value()) {
+ successful_checks++;
+ }
+ }
+ if (successful_checks == 5) {
+ break;
+ }
+ std::this_thread::sleep_for(std::chrono::milliseconds(50));
+ }
+
+ // Verify all records are present using get_all()
+ auto iterator1 = meta_store_->get_all();
+ int count_before = 0;
+ while (iterator1->valid()) {
+ count_before++;
+ iterator1->next();
+ }
+ EXPECT_EQ(count_before, 5) << "Expected 5 records but found " << count_before;
+
+ // Clear all records
+ meta_store_->clear();
+
+ // Wait for clear operation to complete with verification
+ max_retries = 10;
+ for (int retry = 0; retry < max_retries; ++retry) {
+ successful_checks = 0;
+ for (int i = 0; i < 5; ++i) {
+ uint128_t hash = (static_cast<uint128_t>(100 + i) << 64) | (200 + i);
+ BlockMetaKey key(1, UInt128Wrapper(hash), i * 1024);
+ auto result = meta_store_->get(key);
+ if (!result.has_value()) {
+ successful_checks++;
+ }
+ }
+ if (successful_checks == 5) {
+ break;
+ }
+ std::this_thread::sleep_for(std::chrono::milliseconds(50));
+ }
+
+ // Verify no records after clear using get_all()
+ auto iterator2 = meta_store_->get_all();
+ int count_after = 0;
+ while (iterator2->valid()) {
+ count_after++;
+ iterator2->next();
+ }
+ EXPECT_EQ(count_after, 0) << "Expected 0 records after clear but found " << count_after;
+}
+
+TEST_F(CacheBlockMetaStoreTest, GetAllIteratorValidity) {
+ // Add multiple records
+ for (int i = 0; i < 10; ++i) {
+ uint128_t hash = (static_cast<uint128_t>(100 + i) << 64) | (200 + i);
+ BlockMetaKey key(1, UInt128Wrapper(hash), i * 1024);
+ BlockMeta meta(static_cast<FileCacheType>(i % 3), 2048 * (i + 1), 3600 + i * 100);
+ meta_store_->put(key, meta);
+ }
+
+ // Wait for async operations
+ std::this_thread::sleep_for(std::chrono::milliseconds(200));
+
+ // Test iterator validity and navigation
+ auto iterator = meta_store_->get_all();
+ ASSERT_TRUE(iterator != nullptr);
+
+ int count = 0;
+ while (iterator->valid()) {
+ BlockMetaKey key = iterator->key();
+ BlockMeta value = iterator->value();
+
+ // Verify consistency between key and value
+ EXPECT_GE(key.offset, 0);
+ EXPECT_GT(value.size, 0);
+
+ iterator->next();
+ ++count;
+ }
+
+ EXPECT_EQ(count, 10);
+ EXPECT_FALSE(iterator->valid());
+}
+
+TEST_F(CacheBlockMetaStoreTest, MultipleOperationsSameKey) {
+ uint128_t hash1 = (static_cast<uint128_t>(123) << 64) | 456;
+ BlockMetaKey key1(1, UInt128Wrapper(hash1), 0);
+
+ // Multiple operations on same key
+ BlockMeta meta1(FileCacheType::NORMAL, 1024, 3600);
+ BlockMeta meta2(FileCacheType::INDEX, 2048, 7200);
+ BlockMeta meta3(FileCacheType::TTL, 4096, 10800);
+
+ // Put first value
+ meta_store_->put(key1, meta1);
+ std::this_thread::sleep_for(std::chrono::milliseconds(100));
+
+ // Immediately query - should find first value
+ auto result1 = meta_store_->get(key1);
+ EXPECT_TRUE(result1.has_value());
+ EXPECT_EQ(result1->type, 1);
+
+ // Put second value (should override first in queue)
+ meta_store_->put(key1, meta2);
+ std::this_thread::sleep_for(std::chrono::milliseconds(50));
+
+ // Immediately query - should find second value
+ auto result2 = meta_store_->get(key1);
+ EXPECT_TRUE(result2.has_value());
+ EXPECT_EQ(result2->type, 2);
+
+ // Put third value (should override second in queue)
+ meta_store_->put(key1, meta3);
+ std::this_thread::sleep_for(std::chrono::milliseconds(50));
+
+ // Immediately query - should find third value
+ auto result3 = meta_store_->get(key1);
+ EXPECT_TRUE(result3.has_value());
+ EXPECT_EQ(result3->type, 3);
+
+ // Delete operation (should override all puts in queue)
+ meta_store_->delete_key(key1);
+ std::this_thread::sleep_for(std::chrono::milliseconds(50));
+
+ // Immediately query - should find delete operation
+ auto result4 = meta_store_->get(key1);
+ EXPECT_FALSE(result4.has_value());
+}
+
+TEST_F(CacheBlockMetaStoreTest, ErrorHandling) {
+ // Test error handling in deserialization functions
+
+ // Test deserialize_key with invalid data
+ Status status;
+ auto invalid_key_result = deserialize_key("invalid_key_data", &status);
+ EXPECT_FALSE(invalid_key_result.has_value());
+ EXPECT_FALSE(status.ok());
+ EXPECT_TRUE(status.to_string().find("Failed to decode") != std::string::npos);
+
+ // Test deserialize_value with invalid data
+ auto invalid_value_result = deserialize_value(std::string("invalid_value_data"), &status);
+ EXPECT_FALSE(invalid_value_result.has_value());
+ EXPECT_FALSE(status.ok());
+ EXPECT_TRUE(status.to_string().find("Failed to deserialize value") != std::string::npos);
+
+ // Test deserialize_value with empty string_view
+ std::string_view empty_view;
+ auto empty_value_result = deserialize_value(empty_view, &status);
+ EXPECT_FALSE(empty_value_result.has_value());
+ EXPECT_FALSE(status.ok());
+
+ // Test successful deserialization
+ uint128_t hash = (static_cast<uint128_t>(123) << 64) | 456;
+ BlockMetaKey valid_key(1, UInt128Wrapper(hash), 1024);
+ std::string valid_key_str = serialize_key(valid_key);
+ auto valid_key_result = deserialize_key(valid_key_str, &status);
+ EXPECT_TRUE(valid_key_result.has_value());
+ EXPECT_TRUE(status.ok());
+ EXPECT_EQ(valid_key_result->tablet_id, 1);
+ EXPECT_EQ(valid_key_result->hash, valid_key.hash);
+ EXPECT_EQ(valid_key_result->offset, 1024);
+
+ // Test successful value deserialization
+ BlockMeta valid_meta(NORMAL, 2048, 3600);
+ std::string valid_meta_str = serialize_value(valid_meta);
+ auto valid_meta_result = deserialize_value(valid_meta_str, &status);
+ EXPECT_TRUE(valid_meta_result.has_value());
+ EXPECT_TRUE(status.ok());
+ EXPECT_EQ(valid_meta_result->type, NORMAL);
+ EXPECT_EQ(valid_meta_result->size, 2048);
+ EXPECT_EQ(valid_meta_result->ttl, 3600);
+}
+
+TEST_F(CacheBlockMetaStoreTest, IteratorErrorHandling) {
+ // Test error handling in iterators by manually inserting corrupted data
+
+ // Create a valid key and meta first
+ uint128_t hash = (static_cast<uint128_t>(123) << 64) | 456;
+ BlockMetaKey valid_key(1, UInt128Wrapper(hash), 1024);
+ BlockMeta valid_meta(NORMAL, 2048, 3600);
+
+ // Put valid data
+ meta_store_->put(valid_key, valid_meta);
+ std::this_thread::sleep_for(std::chrono::milliseconds(100));
+
+ // Test range_get iterator error handling
+ auto iterator = meta_store_->range_get(1);
+ ASSERT_NE(iterator, nullptr);
+
+ // Iterate through valid data first
+ int count = 0;
+ while (iterator->valid()) {
+ (void)iterator->key(); // unused variable
+ (void)iterator->value(); // unused variable
+
+ // Check that no errors occurred
+ EXPECT_TRUE(iterator->get_last_key_error().ok());
+ EXPECT_TRUE(iterator->get_last_value_error().ok());
+
+ iterator->next();
+ count++;
+ }
+
+ EXPECT_EQ(count, 1);
+
+ // Test get_all iterator
+ auto all_iterator = meta_store_->get_all();
+ ASSERT_NE(all_iterator, nullptr);
+
+ count = 0;
+ while (all_iterator->valid()) {
+ (void)all_iterator->key(); // unused variable
+ (void)all_iterator->value(); // unused variable
+
+ // Check that no errors occurred
+ EXPECT_TRUE(all_iterator->get_last_key_error().ok());
+ EXPECT_TRUE(all_iterator->get_last_value_error().ok());
+
+ all_iterator->next();
+ count++;
+ }
+
+ EXPECT_EQ(count, 1);
+}
+
+} // namespace doris::io
\ No newline at end of file
diff --git a/gensrc/proto/file_cache.proto b/gensrc/proto/file_cache.proto
index f11375586aa..d6c5c3c0e8c 100644
--- a/gensrc/proto/file_cache.proto
+++ b/gensrc/proto/file_cache.proto
@@ -47,3 +47,17 @@ message LRUDumpMetaPb{
repeated EntryGroupOffsetSizePb group_offset_size = 3;
}
+// corresponding to FileCacheType in file_cache_common.h
+enum FileCacheType {
+ DISPOSABLE = 0;
+ NORMAL = 1;
+ INDEX = 2;
+ TTL = 3;
+}
+
+message BlockMetaPb {
+ optional FileCacheType type = 1;
+ optional uint64 size = 2;
+ optional uint64 ttl = 3;
+}
+
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