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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12102) VolumeScanner throttle dropped (fast scan enabled) when there is a corrupt block
Date Thu, 20 Jul 2017 16:47:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12102?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16094950#comment-16094950
] 

Hadoop QA commented on HDFS-12102:
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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 16s{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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 13m 16s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 50s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 41s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 54s{color} |
{color:green} trunk passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  1m 39s{color} | {color:red}
hadoop-hdfs-project/hadoop-hdfs in trunk has 10 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 39s{color} |
{color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 47s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 45s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 45s{color} | {color:green}
the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  0m 39s{color}
| {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch generated 22 new + 465 unchanged
- 0 fixed = 487 total (was 465) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 50s{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} xml {color} | {color:green}  0m  1s{color} | {color:green}
The patch has no ill-formed XML file. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  1m 47s{color} | {color:red}
hadoop-hdfs-project/hadoop-hdfs generated 2 new + 10 unchanged - 0 fixed = 12 total (was 10)
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 37s{color} |
{color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 72m 54s{color} | {color:red}
hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 23s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 98m 14s{color} | {color:black}
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|| Reason || Tests ||
| FindBugs | module:hadoop-hdfs-project/hadoop-hdfs |
|  |  Inconsistent synchronization of org.apache.hadoop.hdfs.server.datanode.VolumeScanner.currentScanPeriod;
locked 66% of time  Unsynchronized access at VolumeScanner.java:66% of time  Unsynchronized
access at VolumeScanner.java:[line 585] |
|  |  Inconsistent synchronization of org.apache.hadoop.hdfs.server.datanode.VolumeScanner.restartScan;
locked 66% of time  Unsynchronized access at VolumeScanner.java:66% of time  Unsynchronized
access at VolumeScanner.java:[line 489] |
| Failed junit tests | hadoop.hdfs.server.blockmanagement.TestUnderReplicatedBlocks |
|   | hadoop.hdfs.server.namenode.ha.TestPipelinesFailover |
|   | hadoop.hdfs.server.balancer.TestBalancerRPCDelay |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure080 |
|   | hadoop.hdfs.server.datanode.TestBlockScanner |
| Timed out junit tests | org.apache.hadoop.hdfs.server.blockmanagement.TestBlockStatsMXBean
|
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:14b5c93 |
| JIRA Issue | HDFS-12102 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12876441/HDFS-12102-002.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  xml  |
| uname | Linux 1175c284a715 3.13.0-116-generic #163-Ubuntu SMP Fri Mar 31 14:13:22 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / c21c260 |
| Default Java | 1.8.0_131 |
| findbugs | v3.1.0-RC1 |
| findbugs | https://builds.apache.org/job/PreCommit-HDFS-Build/20353/artifact/patchprocess/branch-findbugs-hadoop-hdfs-project_hadoop-hdfs-warnings.html
|
| checkstyle | https://builds.apache.org/job/PreCommit-HDFS-Build/20353/artifact/patchprocess/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
|
| findbugs | https://builds.apache.org/job/PreCommit-HDFS-Build/20353/artifact/patchprocess/new-findbugs-hadoop-hdfs-project_hadoop-hdfs.html
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/20353/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/20353/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/20353/console |
| Powered by | Apache Yetus 0.6.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> VolumeScanner throttle dropped (fast scan enabled) when there is a corrupt block
> --------------------------------------------------------------------------------
>
>                 Key: HDFS-12102
>                 URL: https://issues.apache.org/jira/browse/HDFS-12102
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: datanode, hdfs
>    Affects Versions: 2.8.2
>            Reporter: Ashwin Ramesh
>            Priority: Minor
>             Fix For: 2.8.2
>
>         Attachments: HDFS-12102-001.patch, HDFS-12102-002.patch
>
>
> When the Volume scanner sees a corrupt block, it restarts the scan and scans the blocks
at much faster rate with a negligible scan period. This is so that it doesn't take 3 weeks
to report blocks since a corrupt block means increased likelihood that there are more corrupt
blocks.



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