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Posted to commits@doris.apache.org by "liaoxin01 (via GitHub)" <gi...@apache.org> on 2023/06/12 08:39:31 UTC
[GitHub] [doris] liaoxin01 opened a new pull request, #20706: [Enhancement](merge-on-write) parallel calculate delete bitmap when tablet has multi segments
liaoxin01 opened a new pull request, #20706:
URL: https://github.com/apache/doris/pull/20706
## Proposed changes
Issue Number: close #xxx
<!--Describe your changes.-->
In order to accelerate the processing time of publish for merge-on-write table,parallel calculate delete bitmap when tablet has multi segments.
## Further comments
If this is a relatively large or complex change, kick off the discussion at [dev@doris.apache.org](mailto:dev@doris.apache.org) by explaining why you chose the solution you did and what alternatives you considered, etc...
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[GitHub] [doris] github-actions[bot] commented on pull request #20706: [Enhancement](merge-on-write) parallel calculate delete bitmap when tablet has multi segments
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on PR #20706:
URL: https://github.com/apache/doris/pull/20706#issuecomment-1586864883
clang-tidy review says "All clean, LGTM! :+1:"
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[GitHub] [doris] liaoxin01 commented on pull request #20706: [Enhancement](merge-on-write) parallel calculate delete bitmap when tablet has multi segments
Posted by "liaoxin01 (via GitHub)" <gi...@apache.org>.
liaoxin01 commented on PR #20706:
URL: https://github.com/apache/doris/pull/20706#issuecomment-1588545418
run buildall
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[GitHub] [doris] dataroaring merged pull request #20706: [Enhancement](merge-on-write) parallel calculate delete bitmap when tablet has multi segments
Posted by "dataroaring (via GitHub)" <gi...@apache.org>.
dataroaring merged PR #20706:
URL: https://github.com/apache/doris/pull/20706
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[GitHub] [doris] github-actions[bot] commented on pull request #20706: [Enhancement](merge-on-write) parallel calculate delete bitmap when tablet has multi segments
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on PR #20706:
URL: https://github.com/apache/doris/pull/20706#issuecomment-1593020582
PR approved by anyone and no changes requested.
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[GitHub] [doris] github-actions[bot] commented on pull request #20706: [Enhancement](merge-on-write) parallel calculate delete bitmap when tablet has multi segments
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on PR #20706:
URL: https://github.com/apache/doris/pull/20706#issuecomment-1588631369
clang-tidy review says "All clean, LGTM! :+1:"
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[GitHub] [doris] liaoxin01 commented on pull request #20706: [Enhancement](merge-on-write) parallel calculate delete bitmap when tablet has multi segments
Posted by "liaoxin01 (via GitHub)" <gi...@apache.org>.
liaoxin01 commented on PR #20706:
URL: https://github.com/apache/doris/pull/20706#issuecomment-1588625759
run buildall
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[GitHub] [doris] github-actions[bot] commented on pull request #20706: [Enhancement](merge-on-write) parallel calculate delete bitmap when tablet has multi segments
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on PR #20706:
URL: https://github.com/apache/doris/pull/20706#issuecomment-1588626061
clang-tidy review says "All clean, LGTM! :+1:"
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[GitHub] [doris] github-actions[bot] commented on pull request #20706: [Enhancement](merge-on-write) parallel calculate delete bitmap when tablet has multi segments
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on PR #20706:
URL: https://github.com/apache/doris/pull/20706#issuecomment-1588547546
clang-tidy review says "All clean, LGTM! :+1:"
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[GitHub] [doris] zhannngchen commented on a diff in pull request #20706: [Enhancement](merge-on-write) parallel calculate delete bitmap when tablet has multi segments
Posted by "zhannngchen (via GitHub)" <gi...@apache.org>.
zhannngchen commented on code in PR #20706:
URL: https://github.com/apache/doris/pull/20706#discussion_r1229183664
##########
be/src/olap/tablet.cpp:
##########
@@ -2703,9 +2704,11 @@ Status Tablet::lookup_row_data(const Slice& encoded_key, const RowLocation& row_
}
// ATTN: caller should hold the meta lock.
-Status Tablet::lookup_row_key(const Slice& encoded_key, bool with_seq_col,
- const RowsetIdUnorderedSet* rowset_ids, RowLocation* row_location,
- uint32_t version, RowsetSharedPtr* rowset) {
+Status Tablet::lookup_row_key(
+ const Slice& encoded_key, bool with_seq_col, const RowsetIdUnorderedSet* rowset_ids,
+ RowLocation* row_location, uint32_t version,
+ std::unordered_map<RowsetId, SegmentCacheHandle, HashOfRowsetId>& segment_caches,
Review Comment:
emm... one more parameter, we need a refactor later
##########
be/src/service/point_query_executor.cpp:
##########
@@ -264,7 +265,7 @@ Status PointQueryExecutor::_lookup_row_key() {
// Get rowlocation and rowset, ctx._rowset_ptr will acquire wrap this ptr
auto rowset_ptr = std::make_unique<RowsetSharedPtr>();
st = (_tablet->lookup_row_key(_row_read_ctxs[i]._primary_key, true, nullptr, &location,
- INT32_MAX /*rethink?*/, rowset_ptr.get()));
+ INT32_MAX /*rethink?*/, segment_caches, rowset_ptr.get()));
Review Comment:
point lookup should not use such a segment cache? it's meaningless
you should allow to pass a nullptr here.
##########
be/src/olap/rowset/segment_v2/segment_writer.cpp:
##########
@@ -363,6 +365,7 @@ Status SegmentWriter::append_block_with_partial_content(const vectorized::Block*
bool has_default = false;
std::vector<bool> use_default_flag;
use_default_flag.reserve(num_rows);
+ std::unordered_map<RowsetId, SegmentCacheHandle, HashOfRowsetId> segment_caches;
Review Comment:
Add a comment here, why do we need such a cache
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[GitHub] [doris] github-actions[bot] commented on pull request #20706: [Enhancement](merge-on-write) parallel calculate delete bitmap when tablet has multi segments
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on PR #20706:
URL: https://github.com/apache/doris/pull/20706#issuecomment-1593020478
PR approved by at least one committer and no changes requested.
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[GitHub] [doris] liaoxin01 commented on a diff in pull request #20706: [Enhancement](merge-on-write) parallel calculate delete bitmap when tablet has multi segments
Posted by "liaoxin01 (via GitHub)" <gi...@apache.org>.
liaoxin01 commented on code in PR #20706:
URL: https://github.com/apache/doris/pull/20706#discussion_r1229242541
##########
be/src/olap/tablet.cpp:
##########
@@ -2703,9 +2704,11 @@ Status Tablet::lookup_row_data(const Slice& encoded_key, const RowLocation& row_
}
// ATTN: caller should hold the meta lock.
-Status Tablet::lookup_row_key(const Slice& encoded_key, bool with_seq_col,
- const RowsetIdUnorderedSet* rowset_ids, RowLocation* row_location,
- uint32_t version, RowsetSharedPtr* rowset) {
+Status Tablet::lookup_row_key(
+ const Slice& encoded_key, bool with_seq_col, const RowsetIdUnorderedSet* rowset_ids,
+ RowLocation* row_location, uint32_t version,
+ std::unordered_map<RowsetId, SegmentCacheHandle, HashOfRowsetId>& segment_caches,
Review Comment:
yes,we need to refactor later.
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[GitHub] [doris] liaoxin01 commented on pull request #20706: [Enhancement](merge-on-write) parallel calculate delete bitmap when tablet has multi segments
Posted by "liaoxin01 (via GitHub)" <gi...@apache.org>.
liaoxin01 commented on PR #20706:
URL: https://github.com/apache/doris/pull/20706#issuecomment-1590751896
run buildall
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[GitHub] [doris] liaoxin01 commented on a diff in pull request #20706: [Enhancement](merge-on-write) parallel calculate delete bitmap when tablet has multi segments
Posted by "liaoxin01 (via GitHub)" <gi...@apache.org>.
liaoxin01 commented on code in PR #20706:
URL: https://github.com/apache/doris/pull/20706#discussion_r1229222044
##########
be/src/service/point_query_executor.cpp:
##########
@@ -264,7 +265,7 @@ Status PointQueryExecutor::_lookup_row_key() {
// Get rowlocation and rowset, ctx._rowset_ptr will acquire wrap this ptr
auto rowset_ptr = std::make_unique<RowsetSharedPtr>();
st = (_tablet->lookup_row_key(_row_read_ctxs[i]._primary_key, true, nullptr, &location,
- INT32_MAX /*rethink?*/, rowset_ptr.get()));
+ INT32_MAX /*rethink?*/, segment_caches, rowset_ptr.get()));
Review Comment:
`_row_read_ctxs` may have multiple keys to lookup,so I think we also need a segment cache here.
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[GitHub] [doris] liaoxin01 commented on pull request #20706: [Enhancement](merge-on-write) parallel calculate delete bitmap when tablet has multi segments
Posted by "liaoxin01 (via GitHub)" <gi...@apache.org>.
liaoxin01 commented on PR #20706:
URL: https://github.com/apache/doris/pull/20706#issuecomment-1588376285
run buildall
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[GitHub] [doris] liaoxin01 commented on pull request #20706: [Enhancement](merge-on-write) parallel calculate delete bitmap when tablet has multi segments
Posted by "liaoxin01 (via GitHub)" <gi...@apache.org>.
liaoxin01 commented on PR #20706:
URL: https://github.com/apache/doris/pull/20706#issuecomment-1588628871
run buildall
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[GitHub] [doris] github-actions[bot] commented on pull request #20706: [Enhancement](merge-on-write) parallel calculate delete bitmap when tablet has multi segments
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on PR #20706:
URL: https://github.com/apache/doris/pull/20706#issuecomment-1590754902
clang-tidy review says "All clean, LGTM! :+1:"
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