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https://issues.apache.org/jira/browse/HDFS-16880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17653093#comment-17653093
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ASF GitHub Bot commented on HDFS-16880:
---------------------------------------

hadoop-yetus commented on PR #5262:
URL: https://github.com/apache/hadoop/pull/5262#issuecomment-1367837057

   :broken_heart: **-1 overall**
   
   
   
   
   
   
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> modify invokeSingleXXX interface in order to pass actual file src to namenode 
> for debug info.
> ---------------------------------------------------------------------------------------------
>
>                 Key: HDFS-16880
>                 URL: https://issues.apache.org/jira/browse/HDFS-16880
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: rbf
>    Affects Versions: 3.3.4
>            Reporter: ZhangHB
>            Priority: Major
>              Labels: pull-request-available
>
> We found lots of INFO level log like below:
> {quote}2022-12-30 15:31:04,169 INFO org.apache.hadoop.hdfs.StateChange: DIR* 
> completeFile: / is closed by 
> DFSClient_attempt_1671783180362_213003_m_000077_0_1102875551_1
> 2022-12-30 15:31:04,186 INFO org.apache.hadoop.hdfs.StateChange: DIR* 
> completeFile: / is closed by DFSClient_NONMAPREDUCE_1198313144_27480
> {quote}
> It lost the real path of completeFile. Actually this is caused by : 
>  
> *org.apache.hadoop.hdfs.server.federation.router.RouterRpcClient#invokeSingle(java.lang.String,
>  org.apache.hadoop.hdfs.server.federation.router.RemoteMethod)*
> In this method, it instantiates a RemoteLocationContext object:
> *RemoteLocationContext loc = new RemoteLocation(nsId, "/", "/");*
> and then execute: *Object[] params = method.getParams(loc);*
> The problem is right here, becasuse we always use new RemoteParam(), so, 
> context.getDest() always return "/"; That's why we saw lots of incorrect logs.
>  
> After diving into invokeSingleXXX source code, I found the following RPCs 
> classified as need actual src and not need actual src.
>  
> *need src path RPC:*
> addBlock、abandonBlock、getAdditionalDatanode、complete
> *not need src path RPC:*
> updateBlockForPipeline、reportBadBlocks、getBlocks、updatePipeline、invokeAtAvailableNs(invoked
>  by: 
> getServerDefaults、getBlockKeys、getTransactionID、getMostRecentCheckpointTxId、versionRequest、getStoragePolicies)
>  
> After changes, the src can be pass to NN correctly.
>  
>  



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