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https://issues.apache.org/jira/browse/CASSANDRA-9240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alan Boudreault updated CASSANDRA-9240:
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Tester: Alan Boudreault
> Performance issue after a restart
> ---------------------------------
>
> Key: CASSANDRA-9240
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9240
> Project: Cassandra
> Issue Type: Bug
> Reporter: Alan Boudreault
> Fix For: 3.0
>
> Attachments: cassandra_2.1-clientrequest-read.log,
> cassandra_2.1.4-clientrequest-read.log, cassandra_2.1.4.log,
> cassandra_2.1.5-clientrequest-read.log, cassandra_2.1.5.log,
> cassandra_2.1.log, cassandra_trunk-clientrequest-read.log,
> cassandra_trunk.log, cassandra_trunk_no_restart-clientrequest-read.log,
> cassandra_trunk_no_restart.log, issue.yaml, run_issue.sh, trace_query.cql
>
>
> I have noticed a performance issue while I was working on compaction perf
> tests for CASSANDRA-7409. The performance for my use case is very bad after a
> restart. It is mostly a read performance issue but not strictly. I have
> attached my use case (see run_issue.sh and issue.yaml) and all test logs for
> 2.1.4, 2.1.5, cassandra-2.1 and trunk.
> 2.1.4 and 2.1.5 are OK (although 2.1.4 seems to be better?): ~6-7k ops/second
> and ~2-2.5k of read latency.
> branch 2.1 and trunk are NOT OK: ~1.5-2k ops/second and 25-30k of read
> latency.
> branch 2.1 and trunk are OK without a restart: ~ same perf than 2.1.4 and
> 2.1.5.
> I can to bisect and/or profile on Monday if needed.
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