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https://issues.apache.org/jira/browse/HDFS-13946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16654669#comment-16654669
]
Hadoop QA commented on HDFS-13946:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
21s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m
0s{color} | {color:green} The patch appears to include 1 new or modified test
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 2m
15s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 17m
58s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 15m
10s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 2m
51s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 2m
7s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
16m 6s{color} | {color:green} branch has no errors when building and testing
our client artifacts. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 1m
56s{color} | {color:red} hadoop-hdfs-project/hadoop-hdfs in trunk has 1 extant
Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
41s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
17s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
43s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 14m
27s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 14m
27s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}
3m 7s{color} | {color:orange} root: The patch generated 1 new + 1 unchanged -
0 fixed = 2 total (was 1) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 2m
8s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
10m 18s{color} | {color:green} patch has no errors when building and testing
our client artifacts. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 2m
19s{color} | {color:red} hadoop-hdfs-project/hadoop-hdfs generated 1 new + 1
unchanged - 0 fixed = 2 total (was 1) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m
3s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 8m
12s{color} | {color:green} hadoop-common in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}107m 54s{color}
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
35s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}214m 53s{color} |
{color:black} {color} |
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|| Reason || Tests ||
| FindBugs | module:hadoop-hdfs-project/hadoop-hdfs |
| | org.apache.hadoop.hdfs.server.namenode.FSNamesystemLock$ReadLockHeldInfo
defines equals and uses Object.hashCode() At
FSNamesystemLock.java:Object.hashCode() At FSNamesystemLock.java:[line 373] |
| Failed junit tests | hadoop.hdfs.web.TestWebHdfsTimeouts |
| | hadoop.hdfs.server.namenode.TestFSNamesystemLock |
| | hadoop.hdfs.server.datanode.TestDataNodeUUID |
| | hadoop.hdfs.protocol.TestLayoutVersion |
| | hadoop.hdfs.TestLeaseRecovery2 |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:4b8c2b1 |
| JIRA Issue | HDFS-13946 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12944461/HDFS-13946.003.patch |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient findbugs checkstyle |
| uname | Linux 68c4a5021514 4.4.0-133-generic #159-Ubuntu SMP Fri Aug 10
07:31:43 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 9146d33 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_181 |
| findbugs | v3.1.0-RC1 |
| findbugs |
https://builds.apache.org/job/PreCommit-HDFS-Build/25298/artifact/out/branch-findbugs-hadoop-hdfs-project_hadoop-hdfs-warnings.html
|
| checkstyle |
https://builds.apache.org/job/PreCommit-HDFS-Build/25298/artifact/out/diff-checkstyle-root.txt
|
| findbugs |
https://builds.apache.org/job/PreCommit-HDFS-Build/25298/artifact/out/new-findbugs-hadoop-hdfs-project_hadoop-hdfs.html
|
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/25298/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/25298/testReport/ |
| Max. process+thread count | 4019 (vs. ulimit of 10000) |
| modules | C: hadoop-common-project/hadoop-common
hadoop-hdfs-project/hadoop-hdfs U: . |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/25298/console |
| Powered by | Apache Yetus 0.8.0 http://yetus.apache.org |
This message was automatically generated.
> Log longest FSN write/read lock held stack trace
> ------------------------------------------------
>
> Key: HDFS-13946
> URL: https://issues.apache.org/jira/browse/HDFS-13946
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 3.1.1
> Reporter: Yiqun Lin
> Assignee: Yiqun Lin
> Priority: Minor
> Attachments: HDFS-13946.001.patch, HDFS-13946.002.patch,
> HDFS-13946.003.patch
>
>
> FSN write/read lock log statement only prints longest lock held interval not
> its stack trace during suppress warning interval. Only current thread is
> printed, but it looks not so useful. Once NN is slowing down, the most
> important thing we take care is that which operation holds longest time of
> the lock.
> Following is log printed based on current logic.
> {noformat}
> 2018-09-30 13:56:06,700 INFO [IPC Server handler 119 on 8020]
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: FSNamesystem write lock
> held for 11 ms via
> java.lang.Thread.getStackTrace(Thread.java:1589)
> org.apache.hadoop.util.StringUtils.getStackTrace(StringUtils.java:945)
> org.apache.hadoop.hdfs.server.namenode.FSNamesystemLock.writeUnlock(FSNamesystemLock.java:198)
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.writeUnlock(FSNamesystem.java:1688)
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.removeBlocks(FSNamesystem.java:4281)
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.deleteInternal(FSNamesystem.java:4247)
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.deleteInt(FSNamesystem.java:4183)
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.delete(FSNamesystem.java:4167)
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.delete(NameNodeRpcServer.java:848)org.apache.hadoop.hdfs.server.namenode.AuthorizationProviderProxyClientProtocol.delete(AuthorizationProviderProxyClientProtocol.java:311)
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.delete(ClientNamenodeProtocolServerSideTranslatorPB.java:625)
> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:617)
> org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1073)
> org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2226)
> org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2222)
> java.security.AccessController.doPrivileged(Native Method)
> javax.security.auth.Subject.doAs(Subject.java:415)
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1917)
> org.apache.hadoop.ipc.Server$Handler.run(Server.java:2220)
> Number of suppressed write-lock reports: 14
> Longest write-lock held interval: 70
> {noformat}
> Also it will be good for the trouble shooting.
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