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Posted to issues@ratis.apache.org by "Lokesh Jain (Jira)" <ji...@apache.org> on 2019/10/22 06:16:00 UTC
[jira] [Commented] (RATIS-727) Garbage collection due to same
request retries on a follower
[ https://issues.apache.org/jira/browse/RATIS-727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16956720#comment-16956720 ]
Lokesh Jain commented on RATIS-727:
-----------------------------------
[~szetszwo] I do not think this is related to RATIS-704. Here client request with same callID is retried 7 times on the same follower. Every time it is rejected with NotLeaderException.
> Garbage collection due to same request retries on a follower
> ------------------------------------------------------------
>
> Key: RATIS-727
> URL: https://issues.apache.org/jira/browse/RATIS-727
> Project: Ratis
> Issue Type: Bug
> Components: client
> Reporter: Lokesh Jain
> Priority: Major
>
> In a heap dump it could be seen that a client request retries on the same follower multiple times and every time the request is rejected with a NotLeaderException. In case of Ozone it is a WriteChunk request which leads to garbage collection of 16MB for every request. In the heap dump a client request retries multiple times leading to garbage collection of ~100MB.
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