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https://issues.apache.org/jira/browse/CASSANDRA-9197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14498447#comment-14498447
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Robert Stupp commented on CASSANDRA-9197:
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jemalloc affects all allocations (including all off-heap allocations)
It might be possible that the shell script code in {{conf/cassandra-env.sh}}
gets slower since the {{find_library}} might be a bit inefficient.
[~philipthompson] can you try to let {{conf/cassandra-env.sh}} skip the "find
the jemalloc lib" code and hard-code {{CASSANDRA_LIBJEMALLOC}} and see if that
mitigates the problem?
> Startup slowdown due to preloading jemalloc
> -------------------------------------------
>
> Key: CASSANDRA-9197
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9197
> Project: Cassandra
> Issue Type: Bug
> Reporter: Sylvain Lebresne
> Assignee: Philip Thompson
> Priority: Minor
>
> On my box, it seems that the jemalloc loading from CASSANDRA-8714 made the
> process take ~10 seconds to even start (I have no explication for it). I
> don't know if it's specific to my machine or not, so that ticket is mainly so
> someone else can check if it sees the same, in particular for jenkins. If it
> does sees the same slowness, we might want to at least disable jemalloc for
> dtests.
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