Details
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Bug
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Resolution: Fixed
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Critical
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7.1.0
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Untriaged
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Centos 64-bit
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1
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Yes
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KV 2022-Jan
Description
Most of the latency tests involving any durability level have show a dramatic increase in the highest percentile latencies.
http://showfast.sc.couchbase.com/#/timeline/Linux/kv/latency/all
99.9th percentile PERSIST_TO latency (ms), 4 nodes, 1 bucket x 20M x 1KB, 10K ops/sec
7.1.0-1911 - http://perf.jenkins.couchbase.com/job/ares/26264/console - 75.45
7.1.0-1912 - http://perf.jenkins.couchbase.com/job/ares/26265/console - 2881
Attachments
Issue Links
- relates to
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MB-49858 Compaction cannot keep up with fragmentation growth for HiDD / high IO throughput env
- Closed
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MB-50555 Compaction concurrency limit can be exceeded if the VBucket is locked
- Closed
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MB-50609 CompactionTask can suffer lost wakeup if multiple tasks running concurrently
- Closed
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MB-50468 Utilise sync_file_range() for couchstore periodic fsync to improve throughput
- Open