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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11799) Introduce a config to allow setting up write pipeline with fewer nodes than replication factor
Date Tue, 19 Sep 2017 07:22:03 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11799?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16171218#comment-16171218
] 

Hadoop QA commented on HDFS-11799:
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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 15s{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 2 new or modified test files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 29s{color} | {color:blue}
Maven dependency ordering for branch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red} 13m 29s{color} | {color:red}
root in trunk failed. {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 28s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 44s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 32s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  3m  4s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m  5s{color} |
{color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m  8s{color} | {color:blue}
Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 21s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 24s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m 24s{color} | {color:green}
the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  0m 40s{color}
| {color:orange} hadoop-hdfs-project: The patch generated 1 new + 156 unchanged - 0 fixed
= 157 total (was 156) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 24s{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:green}+1{color} | {color:green} findbugs {color} | {color:green}  3m 47s{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 {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  1m 19s{color} | {color:green}
hadoop-hdfs-client in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}105m 32s{color} | {color:red}
hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 20s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}140m 47s{color} | {color:black}
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.TestDFSClientRetries |
|   | hadoop.hdfs.server.namenode.metrics.TestNameNodeMetrics |
|   | hadoop.hdfs.TestLeaseRecoveryStriped |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureReporting |
|   | hadoop.hdfs.TestFileCorruption |
| Timed out junit tests | org.apache.hadoop.hdfs.TestWriteReadStripedFile |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:71bbb86 |
| JIRA Issue | HDFS-11799 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12887826/HDFS-11799-009.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  xml  |
| uname | Linux f414e3ab4abe 3.13.0-123-generic #172-Ubuntu SMP Mon Jun 26 18:04:35 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 2018538 |
| Default Java | 1.8.0_144 |
| mvninstall | https://builds.apache.org/job/PreCommit-HDFS-Build/21206/artifact/patchprocess/branch-mvninstall-root.txt
|
| findbugs | v3.1.0-RC1 |
| checkstyle | https://builds.apache.org/job/PreCommit-HDFS-Build/21206/artifact/patchprocess/diff-checkstyle-hadoop-hdfs-project.txt
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/21206/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/21206/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs-client hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project
|
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/21206/console |
| Powered by | Apache Yetus 0.6.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Introduce a config to allow setting up write pipeline with fewer nodes than replication
factor
> ----------------------------------------------------------------------------------------------
>
>                 Key: HDFS-11799
>                 URL: https://issues.apache.org/jira/browse/HDFS-11799
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Yongjun Zhang
>            Assignee: Brahma Reddy Battula
>         Attachments: HDFS-11799-002.patch, HDFS-11799-003.patch, HDFS-11799-004.patch,
HDFS-11799-005.patch, HDFS-11799-006.patch, HDFS-11799-007.patch, HDFS-11799-008.patch, HDFS-11799-009.patch,
HDFS-11799.patch
>
>
> During pipeline recovery, if not enough DNs can be found, if 
> dfs.client.block.write.replace-datanode-on-failure.best-effort
> is enabled, we let the pipeline to continue, even if there is a single DN.
> Similarly, when we create the write pipeline initially, if for some reason we can't find
enough DNs, we can have a similar config to enable writing with a single DN.
> More study will be done.
>  



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