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Posted to issues@hive.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/03/08 00:56:00 UTC
[jira] [Work logged] (HIVE-24524) LLAP ShuffleHandler: upgrade to
netty4
[ https://issues.apache.org/jira/browse/HIVE-24524?focusedWorklogId=562083&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-562083 ]
ASF GitHub Bot logged work on HIVE-24524:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 08/Mar/21 00:55
Start Date: 08/Mar/21 00:55
Worklog Time Spent: 10m
Work Description: github-actions[bot] commented on pull request #1778:
URL: https://github.com/apache/hive/pull/1778#issuecomment-792393727
This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs.
Feel free to reach out on the dev@hive.apache.org list if the patch is in need of reviews.
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Issue Time Tracking
-------------------
Worklog Id: (was: 562083)
Time Spent: 20m (was: 10m)
> LLAP ShuffleHandler: upgrade to netty4
> --------------------------------------
>
> Key: HIVE-24524
> URL: https://issues.apache.org/jira/browse/HIVE-24524
> Project: Hive
> Issue Type: Improvement
> Reporter: László Bodor
> Assignee: László Bodor
> Priority: Major
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Tez already has a WIP patch for upgrading its shuffle handler to netty4. Netty4 is told to be a possible performance improvement compared to Netty3. However, the refactor is not trivial, TEZ-4157 covers that more or less (the code bases are very similar).
> Background:
> netty4 migration guideline: https://netty.io/wiki/new-and-noteworthy-in-4.0.html
> articles of possible performance improvement:
> https://blog.twitter.com/engineering/en_us/a/2013/netty-4-at-twitter-reduced-gc-overhead.html
> https://developer.squareup.com/blog/upgrading-a-reverse-proxy-from-netty-3-to-4/
> some other notes: Netty3 is EOL since 2016:
> https://netty.io/news/2016/06/29/3-10-6-Final.html
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