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${ noResults }
src-kafka/core
Manikumar Reddy
922a95a18d
This PR adds new lock is used to prevent the follower replica from being updated while ReplicaAlterDirThread is executing maybeReplaceCurrentWithFutureReplica() to replace follower replica with the future replica. Now doAppendRecordsToFollowerOrFutureReplica() doesn't need to hold the lock on leaderIsrUpdateLock for local replica updation and ongoing log appends on the follower will not delay the makeFollower() call. **Benchmark results for Partition.makeFollower() ** Old: ``` Benchmark Mode Cnt Score Error Units PartitionMakeFollowerBenchmark.testMakeFollower avgt 15 2046.967 ? 22.842 ns/op ``` New: ``` Benchmark Mode Cnt Score Error Units PartitionMakeFollowerBenchmark.testMakeFollower avgt 15 1278.525 ? 5.354 ns/op ``` Author: Manikumar Reddy <manikumar.reddy@gmail.com> Reviewers: Jun Rao <junrao@gmail.com> Closes #8153 from omkreddy/KAFKA-9594-LAISR |
5 years ago | |
|---|---|---|
| .. | ||
| src | KAFKA-9594: Add a separate lock to pause the follower log append while checking if the log dir could be replaced. | 5 years ago |
| .gitignore |
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