[jira] [Commented] (HDFS-16207) Remove NN logs stack trace for non-existent xattr query
[
https://issues.apache.org/jira/browse/HDFS-16207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17412705#comment-17412705
]
Hadoop QA commented on HDFS-16207:
--
| (x) *{color:red}-1 overall{color}* |
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|| || || || {color:brown} Prechecks {color} || ||
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0s{color} | {color:green}{color} | {color:green} No case conflicting files
found. {color} |
| {color:green}+1{color} | {color:green} {color} | {color:green} 0m 0s{color}
| {color:green}test4tests{color} | {color:green} The patch appears to include 2
new or modified test files. {color} |
|| || || || {color:brown} branch-2.10 Compile Tests {color} || ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 2m
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Private
[jira] [Commented] (HDFS-16207) Remove NN logs stack trace for non-existent xattr query
[
https://issues.apache.org/jira/browse/HDFS-16207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17412574#comment-17412574
]
Ahmed Hussein commented on HDFS-16207:
--
Thanks [~cnauroth]!
I will upload a separate patch for branch-2.10 shortly. Let me know if you
prefer that I submit a separate Pull-request for that rather than attaching a
patch to the jira.
> 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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[jira] [Commented] (HDFS-16207) Remove NN logs stack trace for non-existent xattr query
[
https://issues.apache.org/jira/browse/HDFS-16207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17412370#comment-17412370
]
Chris Nauroth commented on HDFS-16207:
--
[~ahussein], thank you. I merged this to trunk, branch-3.3 and branch-3.2,
resolving some trivial merge conflicts along the way. From the Affects
Version/s, it sounds like you also wanted to merge to branch-2.10. Trying to
merge to that branch fails with this compilation error:
{code}
ERROR]
/home/cnauroth/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java:[524,9]
cannot find symbol
symbol: class XAttrNotFoundException
location: class org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer
{code}
I stopped there. If you still want to merge to branch-2.10, please provide a
separate patch compatible with the branch.
> 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$Handler.run(Server.java:3088)
> {code}
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[jira] [Commented] (HDFS-16207) Remove NN logs stack trace for non-existent xattr query
[
https://issues.apache.org/jira/browse/HDFS-16207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17412120#comment-17412120
]
Ahmed Hussein commented on HDFS-16207:
--
I am fine with merging the changes.
Thanks [~cnauroth] for the review!
> Remove NN logs stack trace for non-existent xattr query
> ---
>
> Key: HDFS-16207
> URL: https://issues.apache.org/jira/browse/HDFS-16207
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
>Affects Versions: 3.4.0, 2.10.2, 3.3.2, 3.2.4
>Reporter: Ahmed Hussein
>Assignee: Ahmed Hussein
>Priority: Major
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> The NN logs a full stack trace every time a getXAttrs is called for a
> non-existent xattr. The logging has zero value add. The increased logging
> load may harm performance. Something is now probing for xattrs resulting in
> many lines of:
> {code:bash}
> 2021-09-02 13:48:03,340 [IPC Server handler 5 on default port 59951] INFO
> ipc.Server (Server.java:logException(3149)) - IPC Server handler 5 on default
> port 59951, call Call#17 Retry#0
> org.apache.hadoop.hdfs.protocol.ClientProtocol.getXAttrs from 127.0.0.1:59961
> java.io.IOException: At least one of the attributes provided was not found.
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirXAttrOp.getXAttrs(FSDirXAttrOp.java:134)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getXAttrs(FSNamesystem.java:8472)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getXAttrs(NameNodeRpcServer.java:2317)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getXAttrs(ClientNamenodeProtocolServerSideTranslatorPB.java:1745)
> at
> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$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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[jira] [Commented] (HDFS-16207) Remove NN logs stack trace for non-existent xattr query
[
https://issues.apache.org/jira/browse/HDFS-16207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17412086#comment-17412086
]
Chris Nauroth commented on HDFS-16207:
--
+1
Thank you for the contribution, Ahmed. I see you asked Kihwal to review, so
I'll wait a day before merging in case you really wanted Kihwal's opinion
specifically.
> 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: 20m
> 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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[jira] [Commented] (HDFS-16207) Remove NN logs stack trace for non-existent xattr query
[
https://issues.apache.org/jira/browse/HDFS-16207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17411293#comment-17411293
]
Ahmed Hussein commented on HDFS-16207:
--
I submitted a PR to suppress the stack by:
# created a new IOEXception class {{XAttrNotFoundException}}
# Add {{XAttrNotFoundException}} to the list of "{{Tersed}}" Exceptions in the
{{clientRpcServer}}.
[~kihwal], Can you please take a look at the PR?
> 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: 20m
> 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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