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https://issues.apache.org/jira/browse/CASSANDRA-13114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15864543#comment-15864543
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Jeff Jirsa commented on CASSANDRA-13114:
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Was this dire enough to go into 2.1 ? Seems like a pretty high bar for a .17
release.
> Upgrade netty to 4.0.44 to fix memory leak with client encryption
> -----------------------------------------------------------------
>
> Key: CASSANDRA-13114
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13114
> Project: Cassandra
> Issue Type: Bug
> Reporter: Tom van der Woerdt
> Assignee: Stefan Podkowinski
> Priority: Blocker
> Fix For: 2.1.17, 2.2.9, 3.0.11, 3.11.0, 4.0
>
> Attachments: 13114_netty-4.0.44_2.x-3.0.patch,
> 13114_netty-4.0.44_3.11.patch
>
>
> https://issues.apache.org/jira/browse/CASSANDRA-12032 updated netty for
> Cassandra 3.8, but this wasn't backported. Netty 4.0.23, which ships with
> Cassandra 3.0.x, has some serious bugs around memory handling for SSL
> connections.
> It would be nice if both were updated to 4.0.42, a version released this year.
> 4.0.23 makes it impossible for me to run SSL, because nodes run out of memory
> every ~30 minutes. This was fixed in 4.0.27.
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