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https://issues.apache.org/jira/browse/HDFS-9381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15035325#comment-15035325
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Hadoop QA commented on HDFS-9381:
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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 0s
{color} | {color:blue} Docker mode activated. {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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 9m
10s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 49s
{color} | {color:green} trunk passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 49s
{color} | {color:green} trunk passed with JDK v1.7.0_85 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
19s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 3s
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
15s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m
13s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 8s
{color} | {color:green} trunk passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 0s
{color} | {color:green} trunk passed with JDK v1.7.0_85 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
55s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 50s
{color} | {color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red} 7m 8s {color}
| {color:red} hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66 with JDK v1.8.0_66
generated 2 new issues (was 33, now 33). {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 50s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 47s
{color} | {color:green} the patch passed with JDK v1.7.0_85 {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red} 7m 55s {color}
| {color:red} hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_85 with JDK v1.7.0_85
generated 2 new issues (was 35, now 35). {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 47s
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 18s
{color} | {color:red} Patch generated 1 new checkstyle issues in
hadoop-hdfs-project/hadoop-hdfs (total was 169, now 169). {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 1s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
15s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s {color} | {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m
31s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 20s
{color} | {color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 6s
{color} | {color:green} the patch passed with JDK v1.7.0_85 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 61m 17s {color}
| {color:red} hadoop-hdfs in the patch failed with JDK v1.8.0_66. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 53m 25s {color}
| {color:red} hadoop-hdfs in the patch failed with JDK v1.7.0_85. {color} |
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red} 0m 21s
{color} | {color:red} Patch generated 58 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 146m 2s {color}
| {color:black} {color} |
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|| Reason || Tests ||
| JDK v1.8.0_66 Failed junit tests |
hadoop.hdfs.server.namenode.TestNamenodeCapacityReport |
| | hadoop.hdfs.server.namenode.ha.TestSeveralNameNodes |
| | hadoop.hdfs.TestWriteReadStripedFile |
| JDK v1.7.0_85 Failed junit tests |
hadoop.hdfs.server.namenode.TestNamenodeCapacityReport |
| | hadoop.hdfs.TestDecommission |
| | hadoop.hdfs.server.namenode.TestBackupNode |
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|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:0ca8df7 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12775199/HDFS-9381-04.patch |
| JIRA Issue | HDFS-9381 |
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle |
| uname | Linux 60fed9cbc545 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed
Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh
|
| git revision | trunk / 3c4a34e |
| findbugs | v3.0.0 |
| javac | hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66:
https://builds.apache.org/job/PreCommit-HDFS-Build/13728/artifact/patchprocess/diff-compile-javac-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66.txt
|
| javac | hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_85:
https://builds.apache.org/job/PreCommit-HDFS-Build/13728/artifact/patchprocess/diff-compile-javac-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_85.txt
|
| checkstyle |
https://builds.apache.org/job/PreCommit-HDFS-Build/13728/artifact/patchprocess/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
|
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/13728/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66.txt
|
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/13728/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_85.txt
|
| unit test logs |
https://builds.apache.org/job/PreCommit-HDFS-Build/13728/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66.txt
https://builds.apache.org/job/PreCommit-HDFS-Build/13728/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_85.txt
|
| JDK v1.7.0_85 Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/13728/testReport/ |
| asflicense |
https://builds.apache.org/job/PreCommit-HDFS-Build/13728/artifact/patchprocess/patch-asflicense-problems.txt
|
| modules | C: hadoop-hdfs-project/hadoop-hdfs U:
hadoop-hdfs-project/hadoop-hdfs |
| Max memory used | 76MB |
| Powered by | Apache Yetus http://yetus.apache.org |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/13728/console |
This message was automatically generated.
> When same block came for replication for Striped mode, we can move that block
> to PendingReplications
> ----------------------------------------------------------------------------------------------------
>
> Key: HDFS-9381
> URL: https://issues.apache.org/jira/browse/HDFS-9381
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: erasure-coding, namenode
> Affects Versions: 3.0.0
> Reporter: Uma Maheswara Rao G
> Assignee: Uma Maheswara Rao G
> Attachments: HDFS-9381-02.patch, HDFS-9381-03.patch,
> HDFS-9381-04.patch, HDFS-9381.00.patch, HDFS-9381.01.patch
>
>
> Currently I noticed that we are just returning null if block already exists
> in pendingReplications in replication flow for striped blocks.
> {code}
> if (block.isStriped()) {
> if (pendingNum > 0) {
> // Wait the previous recovery to finish.
> return null;
> }
> {code}
> Here if we just return null and if neededReplications contains only fewer
> blocks(basically by default if less than numliveNodes*2), then same blocks
> can be picked again from neededReplications from next loop as we are not
> removing element from neededReplications. Since this replication process need
> to take fsnamesystmem lock and do, we may spend some time unnecessarily in
> every loop.
> So my suggestion/improvement is:
> Instead of just returning null, how about incrementing pendingReplications
> for this block and remove from neededReplications? and also another point to
> consider here is, to add into pendingReplications, generally we need target
> and it is nothing but to which node we issued replication command. Later when
> after replication success and DN reported it, block will be removed from
> pendingReplications from NN addBlock.
> So since this is newly picked block from neededReplications, we would not
> have selected target yet. So which target to be passed to pendingReplications
> if we add this block? One Option I am thinking is, how about just passing
> srcNode itself as target for this special condition? So, anyway if the block
> is really missed, srcNode will not report it. So this block will not be
> removed from pending replications, so that when it is timed out, it will be
> considered for replication again and that time it will find actual target to
> replicate while processing as part of regular replication flow.
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