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Posted to hdfs-issues@hadoop.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/09/06 03:16:00 UTC
[jira] [Commented] (HDFS-16703) Enable RPC Timeout for some protocols of NameNode.
[ https://issues.apache.org/jira/browse/HDFS-16703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17600560#comment-17600560 ]
ASF GitHub Bot commented on HDFS-16703:
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ZanderXu commented on PR #4660:
URL: https://github.com/apache/hadoop/pull/4660#issuecomment-1237612512
@slfan1989 Sir, sorry to ping you again. I still think this is a useful PR for Hadoop Admin. So I hope you can give me some more suggestions and push this PR forward. Thanks again.
> Enable RPC Timeout for some protocols of NameNode.
> --------------------------------------------------
>
> Key: HDFS-16703
> URL: https://issues.apache.org/jira/browse/HDFS-16703
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: ZanderXu
> Assignee: ZanderXu
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
> When I read some code about protocol, I found that only ClientNamenodeProtocolPB proxy with RPC timeout, other protocolPB proxy without RPC timeout, such as RefreshAuthorizationPolicyProtocolPB, RefreshUserMappingsProtocolPB, RefreshCallQueueProtocolPB, GetUserMappingsProtocolPB and NamenodeProtocolPB.
>
> If proxy without rpc timeout, it will be blocked for a long time if the NN machine crash or bad network during writing or reading with NN.
>
> So I feel that we should enable RPC timeout for all ProtocolPB.
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