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https://issues.apache.org/jira/browse/HDFS-16431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17802618#comment-17802618
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Shilun Fan commented on HDFS-16431:
-----------------------------------

Bulk update: moved all 3.4.0 non-blocker issues, please move back if it is a 
blocker. Retarget 3.5.0.

> Truncate CallerContext in client side
> -------------------------------------
>
>                 Key: HDFS-16431
>                 URL: https://issues.apache.org/jira/browse/HDFS-16431
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: nn
>            Reporter: Chengwei Wang
>            Assignee: Chengwei Wang
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 2.5h
>  Remaining Estimate: 0h
>
> The context of CallerContext would be truncated  when  it exceeds the maximum 
> allowed length in server side. I think it's better to do check and truncate 
> in client side to reduce the unnecessary overhead of network and memory for 
> NN.



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