[GitHub] [incubator-kvrocks] PragmaTwice commented on a diff in pull request #1424: feat: rocksdb support auto tune with default config

["PragmaTwice (via GitHub)" <gi...@apache.org>]

PragmaTwice commented on code in PR #1424:
URL: https://github.com/apache/incubator-kvrocks/pull/1424#discussion_r1186659563


##########
src/storage/storage.cc:
##########
@@ -159,8 +159,19 @@ rocksdb::Options Storage::InitRocksDBOptions() {
   options.sst_file_manager = sst_file_manager_;
   int64_t max_io_mb = kIORateLimitMaxMb;
   if (config_->max_io_mb > 0) max_io_mb = config_->max_io_mb;
-  rate_limiter_ =
+  if (config_->rocks_db.rate_limiter_auto_tuned) {
+    rate_limiter_ =
+      std::shared_ptr<rocksdb::RateLimiter>(rocksdb::NewGenericRateLimiter(
+            max_io_mb * static_cast<int64_t>(MiB),
+            100 * 1000, /* default */
+            10, /* default */
+            rocksdb::RateLimiter::Mode::kWritesOnly,
+            true
+          ));
+  } else {
+    rate_limiter_ =
       std::shared_ptr<rocksdb::RateLimiter>(rocksdb::NewGenericRateLimiter(max_io_mb * static_cast<int64_t>(MiB)));
+  }

Review Comment:
   ```suggestion
     rate_limiter_ =
       std::shared_ptr<rocksdb::RateLimiter>(rocksdb::NewGenericRateLimiter(
             max_io_mb * static_cast<int64_t>(MiB),
             100 * 1000, /* default */
             10, /* default */
             rocksdb::RateLimiter::Mode::kWritesOnly,
             config_->rocks_db.rate_limiter_auto_tuned
           ));
   ```



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