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https://issues.apache.org/jira/browse/CASSANDRA-21175?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dmitry Konstantinov updated CASSANDRA-21175:
--------------------------------------------
    Description: 
It is almost a year since Netty 4.2.0 initial release, so, it is probably a 
time to adopt it: [https://netty.io/news/2025/04/03/4-2-0.html] and get the 
latest perf improvements as well as an access to io_uring feature.

[https://netty.io/wiki/netty-4.2-migration-guide.html]

 

Also we have now July 1st, 2027 as EoL announced for Netty 4.1: 
https://netty.io/news/2026/09/09/4-1-EOL-announcement.html

  was:
It is almost a year since Netty 4.2.0 initial release, so, it is probably a 
time to adopt it: https://netty.io/news/2025/04/03/4-2-0.html and get the 
latest perf improvements as well as an access to io_uring feature.

https://netty.io/wiki/netty-4.2-migration-guide.html


> Upgrade to Netty 4.2
> --------------------
>
>                 Key: CASSANDRA-21175
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-21175
>             Project: Apache Cassandra
>          Issue Type: Task
>          Components: Messaging/Internode
>            Reporter: Dmitry Konstantinov
>            Assignee: Dmitry Konstantinov
>            Priority: Normal
>             Fix For: 6.0.x, 7.x
>
>         Attachments: netty-4.2-deprecated-api-share.md, netty_4.1_cpu.html, 
> netty_4.2_cpu.html
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> It is almost a year since Netty 4.2.0 initial release, so, it is probably a 
> time to adopt it: [https://netty.io/news/2025/04/03/4-2-0.html] and get the 
> latest perf improvements as well as an access to io_uring feature.
> [https://netty.io/wiki/netty-4.2-migration-guide.html]
>  
> Also we have now July 1st, 2027 as EoL announced for Netty 4.1: 
> https://netty.io/news/2026/09/09/4-1-EOL-announcement.html



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