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https://issues.apache.org/jira/browse/HDFS-16431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17479313#comment-17479313
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Chengwei Wang commented on HDFS-16431:
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Create pr [https://github.com/apache/hadoop/pull/3909.]
Refactor CallerContext.Builder constrctor to simplify usage and do context
truncate before _CallerContext.Builder.build()_
> 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: 10m
> 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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