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https://issues.apache.org/jira/browse/HDFS-8147?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14509401#comment-14509401
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Hadoop QA commented on HDFS-8147:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch | 14m 37s | Pre-patch trunk compilation is
healthy. |
| {color:green}+1{color} | @author | 0m 0s | The patch does not contain any
@author tags. |
| {color:green}+1{color} | tests included | 0m 0s | The patch appears to
include 1 new or modified test files. |
| {color:green}+1{color} | whitespace | 0m 0s | The patch has no lines that
end in whitespace. |
| {color:green}+1{color} | javac | 7m 26s | There were no new javac warning
messages. |
| {color:green}+1{color} | javadoc | 9m 34s | There were no new javadoc
warning messages. |
| {color:green}+1{color} | release audit | 0m 22s | The applied patch does
not increase the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle | 7m 47s | The applied patch generated 1
additional checkstyle issues. |
| {color:green}+1{color} | install | 1m 33s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse | 0m 33s | The patch built with
eclipse:eclipse. |
| {color:green}+1{color} | findbugs | 3m 4s | The patch does not introduce
any new Findbugs (version 2.0.3) warnings. |
| {color:green}+1{color} | native | 3m 12s | Pre-build of native portion |
| {color:green}+1{color} | hdfs tests | 186m 38s | Tests passed in hadoop-hdfs.
|
| | | 234m 50s | |
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|| Subsystem || Report/Notes ||
| Patch URL |
http://issues.apache.org/jira/secure/attachment/12727606/HDFS-8147_4.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / baf8bc6 |
| checkstyle |
https://builds.apache.org/job/PreCommit-HDFS-Build/10358/artifact/patchprocess/checkstyle-result-diff.txt
|
| hadoop-hdfs test log |
https://builds.apache.org/job/PreCommit-HDFS-Build/10358/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/10358/testReport/ |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/10358/console |
This message was automatically generated.
> Mover should not schedule two replicas to the same DN storage
> -------------------------------------------------------------
>
> Key: HDFS-8147
> URL: https://issues.apache.org/jira/browse/HDFS-8147
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: balancer & mover
> Affects Versions: 2.6.0
> Reporter: surendra singh lilhore
> Assignee: surendra singh lilhore
> Attachments: HDFS-8147.patch, HDFS-8147_1.patch, HDFS-8147_2.patch,
> HDFS-8147_3.patch, HDFS-8147_4.patch
>
>
> *Scenario:*
> 1. Three DN cluster. For DNs storage type is like this.
> DN1 : DISK,ARCHIVE
> DN2 : DISK
> DN3 : DISK,ARCHIVE (All DNs are in same rack)
> 2. One file with two replicas (In DN1 and DN2)
> 3. Set file storage policy COLD
> 4. Now execute Mover.
> *Expected Result:* File blocks should move in DN1:ARCHIVE and DN3:ARCHIVE
> *Actual Result:* {{chooseTargetInSameNode()}} move D1:DISK block to
> D1:ARCHIVE, but in next iteration {{chooseTarget()}} for same rake is
> selecting again DN1:ARCHIVE for target where already same block exists.
> {{chooseTargetInSameNode()}} and {{chooseTarget()}} should not select the
> node as target where already same replica exists. The dispatcher will fail
> to move block as shown in the log below. Then, the Mover will try again in
> next iteration.
> *Logs*
> {code}
> 15/04/15 10:47:17 WARN balancer.Dispatcher: Failed to move
> blk_1073741852_1028 with size=11990 from 10.19.92.74:50010:DISK to
> 10.19.92.73:50010:ARCHIVE through 10.19.92.73:50010: Got error, status
> message opReplaceBlock
> BP-1258709199-10.19.92.74-1428292615636:blk_1073741852_1028 received
> exception
> org.apache.hadoop.hdfs.server.datanode.ReplicaAlreadyExistsException: Replica
> FinalizedReplica, blk_1073741852_1028, FINALIZED
> {code}
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