5286303272
83%

Ran 16 Jun 2023 05:13AM UTC

Jobs 1

Files 49

Run time 2s

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Build # 5286303272

Build Type

push

github

Committed by

web-flow

Commit Message

[IMPROVED] High CPU and Memory usage on replicated mirrors with very high starting sequence. (#4249)

When creating replicated mirrors where the source stream had a very
large starting sequence number, the server would use excessive CPU and
Memory.

This is due to the mirroring functionality trying to skip messages when
it detects a gap. In a replicated stream this puts excessive stress on
the raft system.

This step is not needed at all if the mirror stream has no messages, we
can simply jump ahead.

Signed-off-by: Derek Collison <derek@nats.io>

Run Details

58213 of 68114 relevant lines covered (85.46%)

156703.17 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
1	5286303272.1	16 Jun 2023 05:13AM UTC	0	85.46	GitHub Action Run

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