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https://issues.apache.org/jira/browse/FLINK-11154?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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leesf reassigned FLINK-11154:
-----------------------------
Assignee: leesf
> Upgrade Netty to 4.1.32
> -----------------------
>
> Key: FLINK-11154
> URL: https://issues.apache.org/jira/browse/FLINK-11154
> Project: Flink
> Issue Type: Improvement
> Components: Network
> Reporter: Nico Kruber
> Assignee: leesf
> Priority: Major
> Fix For: 1.8.0
>
>
> Notable changes since 4.1.24 (currently used in Flink 1.6-1.7):
> - big (performance, feature set) improvements for using openSSL based SSL
> engine (useful for FLINK-9816)
> - allow multiple shaded versions of the same netty artifact (as long as the
> shaded prefix is different)
> - Ensure ByteToMessageDecoder.Cumulator implementations always release.
> - Don't re-arm timerfd each epoll_wait
> - Use a non-volatile read for ensureAccessible() whenever possible to reduce
> overhead and allow better inlining.
> - Do not fail on runtime when an older version of Log4J2 is on the classpath
> - Fix leak and corruption bugs in CompositeByteBuf
> - Add support for TLSv1.3
> - Harden ref-counting concurrency semantics
> - bug fixes
> - Java 9-12 related fixes
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