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https://issues.apache.org/jira/browse/CASSANDRA-14355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16503228#comment-16503228
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Luke Arrigoni commented on CASSANDRA-14355:
-------------------------------------------
Has anyone determined a method of recreating this leak under load test
conditions to bring the reproducing time down? This ticket would be easier to
work on if we could recreate within hours instead of weeks.
> Memory leak
> -----------
>
> Key: CASSANDRA-14355
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14355
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Environment: Debian Jessie, OpenJDK 1.8.0_151
> Reporter: Eric Evans
> Priority: Major
> Fix For: 3.11.3
>
> Attachments: 01_Screenshot from 2018-04-04 14-24-00.png,
> 02_Screenshot from 2018-04-04 14-28-33.png, 03_Screenshot from 2018-04-04
> 14-24-50.png
>
>
> We're seeing regular, frequent {{OutOfMemoryError}} exceptions. Similar to
> CASSANDRA-13754, an analysis of the heap dumps shows the heap consumed by the
> {{threadLocals}} member of the instances of
> {{io.netty.util.concurrent.FastThreadLocalThread}}.
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