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https://issues.apache.org/jira/browse/HDFS-16207?focusedWorklogId=648373&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-648373
]
ASF GitHub Bot logged work on HDFS-16207:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 09/Sep/21 04:21
Start Date: 09/Sep/21 04:21
Worklog Time Spent: 10m
Work Description: cnauroth merged pull request #3375:
URL: https://github.com/apache/hadoop/pull/3375
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Issue Time Tracking
-------------------
Worklog Id: (was: 648373)
Time Spent: 0.5h (was: 20m)
> Remove NN logs stack trace for non-existent xattr query
> -------------------------------------------------------
>
> Key: HDFS-16207
> URL: https://issues.apache.org/jira/browse/HDFS-16207
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 3.4.0, 2.10.2, 3.3.2, 3.2.4
> Reporter: Ahmed Hussein
> Assignee: Ahmed Hussein
> Priority: Major
> Labels: pull-request-available
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> The NN logs a full stack trace every time a getXAttrs is called for a
> non-existent xattr. The logging has zero value add. The increased logging
> load may harm performance. Something is now probing for xattrs resulting in
> many lines of:
> {code:bash}
> 2021-09-02 13:48:03,340 [IPC Server handler 5 on default port 59951] INFO
> ipc.Server (Server.java:logException(3149)) - IPC Server handler 5 on default
> port 59951, call Call#17 Retry#0
> org.apache.hadoop.hdfs.protocol.ClientProtocol.getXAttrs from 127.0.0.1:59961
> java.io.IOException: At least one of the attributes provided was not found.
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirXAttrOp.getXAttrs(FSDirXAttrOp.java:134)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getXAttrs(FSNamesystem.java:8472)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getXAttrs(NameNodeRpcServer.java:2317)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getXAttrs(ClientNamenodeProtocolServerSideTranslatorPB.java:1745)
> at
> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:604)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:572)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:556)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1093)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:1155)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:1083)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1900)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:3088)
> {code}
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