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https://issues.apache.org/jira/browse/HDFS-16703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17576054#comment-17576054
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ASF GitHub Bot commented on HDFS-16703:
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goiri commented on code in PR #4660:
URL: https://github.com/apache/hadoop/pull/4660#discussion_r939242059
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hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java:
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@@ -2029,5 +2029,33 @@ public class DFSConfigKeys extends
CommonConfigurationKeys {
public static final long DFS_LEASE_HARDLIMIT_DEFAULT =
HdfsClientConfigKeys.DFS_LEASE_HARDLIMIT_DEFAULT;
+ public static final String IPC_RPC_TIMEOUT_FOR_ALIASHMAP_PROTOCOL =
Review Comment:
Actually, this is correct. My bad.
> 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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