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https://issues.apache.org/jira/browse/HDFS-8674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15061120#comment-15061120
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Hadoop QA commented on HDFS-8674:
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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: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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m
30s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 40s
{color} | {color:green} trunk passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 41s
{color} | {color:green} trunk passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
15s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 51s
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
14s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
52s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 5s
{color} | {color:green} trunk passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 52s
{color} | {color:green} trunk passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
48s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 38s
{color} | {color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red} 6m 16s {color}
| {color:red} hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66 with JDK v1.8.0_66
generated 1 new issues (was 32, now 32). {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 38s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 40s
{color} | {color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red} 6m 57s {color}
| {color:red} hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_91 with JDK v1.7.0_91
generated 1 new issues (was 34, now 34). {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 40s
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 14s
{color} | {color:red} Patch generated 1 new checkstyle issues in
hadoop-hdfs-project/hadoop-hdfs (total was 161, now 160). {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} mvneclipse {color} | {color:green} 0m
14s {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 2s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 4s
{color} | {color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 46s
{color} | {color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 52m 16s {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} 50m 8s {color}
| {color:red} hadoop-hdfs in the patch failed with JDK v1.7.0_91. {color} |
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red} 0m 25s
{color} | {color:red} Patch generated 58 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 128m 44s {color}
| {color:black} {color} |
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|| Reason || Tests ||
| JDK v1.8.0_66 Failed junit tests | hadoop.hdfs.TestDFSClientRetries |
| | hadoop.hdfs.server.namenode.ha.TestDNFencingWithReplication |
| | hadoop.hdfs.server.namenode.TestDecommissioningStatus |
| | hadoop.hdfs.server.balancer.TestBalancerWithHANameNodes |
| | hadoop.hdfs.server.namenode.ha.TestDNFencing |
| | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure050 |
| | hadoop.hdfs.TestDFSUpgradeFromImage |
| | hadoop.hdfs.TestSetrepDecreasing |
| | hadoop.hdfs.server.blockmanagement.TestNodeCount |
| | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure |
| | hadoop.hdfs.server.blockmanagement.TestBlocksWithNotEnoughRacks |
| JDK v1.7.0_91 Failed junit tests |
hadoop.hdfs.server.namenode.ha.TestDNFencingWithReplication |
| | hadoop.hdfs.TestLeaseRecovery2 |
| | hadoop.hdfs.server.balancer.TestBalancerWithHANameNodes |
| | hadoop.hdfs.server.namenode.ha.TestDNFencing |
| | hadoop.hdfs.TestSetrepDecreasing |
| | hadoop.hdfs.server.blockmanagement.TestNodeCount |
| | hadoop.hdfs.server.blockmanagement.TestBlocksWithNotEnoughRacks |
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|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:0ca8df7 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12778098/HDFS-8674.patch |
| JIRA Issue | HDFS-8674 |
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle |
| uname | Linux 4f4d2df9b67c 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 / 0f708d4 |
| findbugs | v3.0.0 |
| javac | hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66:
https://builds.apache.org/job/PreCommit-HDFS-Build/13903/artifact/patchprocess/diff-compile-javac-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66.txt
|
| javac | hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_91:
https://builds.apache.org/job/PreCommit-HDFS-Build/13903/artifact/patchprocess/diff-compile-javac-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_91.txt
|
| checkstyle |
https://builds.apache.org/job/PreCommit-HDFS-Build/13903/artifact/patchprocess/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
|
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/13903/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66.txt
|
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/13903/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_91.txt
|
| unit test logs |
https://builds.apache.org/job/PreCommit-HDFS-Build/13903/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66.txt
https://builds.apache.org/job/PreCommit-HDFS-Build/13903/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_91.txt
|
| JDK v1.7.0_91 Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/13903/testReport/ |
| asflicense |
https://builds.apache.org/job/PreCommit-HDFS-Build/13903/artifact/patchprocess/patch-asflicense-problems.txt
|
| modules | C: hadoop-hdfs-project/hadoop-hdfs U:
hadoop-hdfs-project/hadoop-hdfs |
| Max memory used | 75MB |
| Powered by | Apache Yetus 0.2.0-SNAPSHOT http://yetus.apache.org |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/13903/console |
This message was automatically generated.
> Improve performance of postponed block scans
> --------------------------------------------
>
> Key: HDFS-8674
> URL: https://issues.apache.org/jira/browse/HDFS-8674
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Affects Versions: 2.6.0
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Priority: Critical
> Attachments: HDFS-8674.patch, HDFS-8674.patch
>
>
> When a standby goes active, it marks all nodes as "stale" which will cause
> block invalidations for over-replicated blocks to be queued until full block
> reports are received from the nodes with the block. The replication monitor
> scans the queue with O(N) runtime. It picks a random offset and iterates
> through the set to randomize blocks scanned.
> The result is devastating when a cluster loses multiple nodes during a
> rolling upgrade. Re-replication occurs, the nodes come back, the excess block
> invalidations are postponed. Rescanning just 2k blocks out of millions of
> postponed blocks may take multiple seconds. During the scan, the write lock
> is held which stalls all other processing.
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