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Stefan Podkowinski commented on CASSANDRA-13114: ------------------------------------------------ Netty 4.0.23 has been introduced in CASSANDRA-7761 and is used since 2.1.1. Looking at the [4.0.27 release notes|http://netty.io/news/2015/04/02/4-0-27-Final.html] I assume that [#3567|https://github.com/netty/netty/issues/3567] fixes the memory issue you're referring to? If I read the ticket correctly, the bug does not manifest in 4.0.23, but only after updating to 4.0.25/26. Can you link the actual issue that makes you believe 4.0.23 is affected in case there's something I'm missing here? > 3.0.x: update netty > ------------------- > > Key: CASSANDRA-13114 > URL: https://issues.apache.org/jira/browse/CASSANDRA-13114 > Project: Cassandra > Issue Type: Bug > Reporter: Tom van der Woerdt > > 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. -- This message was sent by Atlassian JIRA (v6.3.4#6332)