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https://issues.apache.org/jira/browse/HDFS-15406?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17136060#comment-17136060
]
Hadoop QA commented on HDFS-15406:
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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} 1m
13s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} dupname {color} | {color:green} 0m
0s{color} | {color:green} No case conflicting files found. {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:red}-1{color} | {color:red} test4tests {color} | {color:red} 0m
0s{color} | {color:red} The patch doesn't appear to include any new or modified
tests. Please justify why no new tests are needed for this patch. Also please
list what manual steps were performed to verify this patch. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 21m
16s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
8s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
46s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
14s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
17m 27s{color} | {color:green} branch has no errors when building and testing
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
41s{color} | {color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue} 3m
2s{color} | {color:blue} Used deprecated FindBugs config; considering switching
to SpotBugs. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m
0s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
9s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
3s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
3s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
41s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
10s{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}
15m 5s{color} | {color:green} patch has no errors when building and testing
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
37s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m
10s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}109m 29s{color}
| {color:red} hadoop-hdfs in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
36s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}179m 51s{color} |
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests |
hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureReporting |
| | hadoop.hdfs.TestReconstructStripedFileWithRandomECPolicy |
| | hadoop.hdfs.server.blockmanagement.TestBlockTokenWithDFSStriped |
| | hadoop.hdfs.tools.TestDFSAdminWithHA |
| | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure |
| | hadoop.hdfs.TestReconstructStripedFile |
| | hadoop.hdfs.TestStripedFileAppend |
| | hadoop.hdfs.server.sps.TestExternalStoragePolicySatisfier |
| | hadoop.hdfs.TestRollingUpgrade |
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|| Subsystem || Report/Notes ||
| Docker | ClientAPI=1.40 ServerAPI=1.40 base:
https://builds.apache.org/job/PreCommit-HDFS-Build/29430/artifact/out/Dockerfile
|
| JIRA Issue | HDFS-15406 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/13005719/HDFS-15406.001.patch |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite
unit shadedclient findbugs checkstyle |
| uname | Linux aec13f271d6e 4.15.0-101-generic #102-Ubuntu SMP Mon May 11
10:07:26 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | personality/hadoop.sh |
| git revision | trunk / 81d8a887b04 |
| Default Java | Private Build-1.8.0_252-8u252-b09-1~18.04-b09 |
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/29430/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/29430/testReport/ |
| Max. process+thread count | 3045 (vs. ulimit of 5500) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U:
hadoop-hdfs-project/hadoop-hdfs |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/29430/console |
| versions | git=2.17.1 maven=3.6.0 findbugs=3.1.0-RC1 |
| Powered by | Apache Yetus 0.12.0 https://yetus.apache.org |
This message was automatically generated.
> Improve the speed of Datanode Block Scan
> ----------------------------------------
>
> Key: HDFS-15406
> URL: https://issues.apache.org/jira/browse/HDFS-15406
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: hemanthboyina
> Assignee: hemanthboyina
> Priority: Major
> Attachments: HDFS-15406.001.patch
>
>
> In our customer cluster we have approx 10M blocks in one datanode
> the Datanode to scans all the blocks , it has taken nearly 5mins
> {code:java}
> 2020-06-10 12:17:06,869 | INFO |
> java.util.concurrent.ThreadPoolExecutor$Worker@3b4bea70[State = -1, empty
> queue] | BlockPool BP-1104115233-**.**.**.**-1571300215588 Total blocks:
> 11149530, missing metadata files:472, missing block files:472, missing blocks
> in memory:0, mismatched blocks:0 | DirectoryScanner.java:473
> 2020-06-10 12:17:06,869 | WARN |
> java.util.concurrent.ThreadPoolExecutor$Worker@3b4bea70[State = -1, empty
> queue] | Lock held time above threshold: lock identifier:
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl
> lockHeldTimeMs=329854 ms. Suppressed 0 lock warnings. The stack trace is:
> java.lang.Thread.getStackTrace(Thread.java:1559)
> org.apache.hadoop.util.StringUtils.getStackTrace(StringUtils.java:1032)
> org.apache.hadoop.util.InstrumentedLock.logWarning(InstrumentedLock.java:148)
> org.apache.hadoop.util.InstrumentedLock.check(InstrumentedLock.java:186)
> org.apache.hadoop.util.InstrumentedLock.unlock(InstrumentedLock.java:133)
> org.apache.hadoop.util.AutoCloseableLock.release(AutoCloseableLock.java:84)
> org.apache.hadoop.util.AutoCloseableLock.close(AutoCloseableLock.java:96)
> org.apache.hadoop.hdfs.server.datanode.DirectoryScanner.scan(DirectoryScanner.java:475)
> org.apache.hadoop.hdfs.server.datanode.DirectoryScanner.reconcile(DirectoryScanner.java:375)
> org.apache.hadoop.hdfs.server.datanode.DirectoryScanner.run(DirectoryScanner.java:320)
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> java.lang.Thread.run(Thread.java:748)
> | InstrumentedLock.java:143 {code}
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