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From "genericqa (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12864) Ozone: Turn off full synced write in RocksDB MetadataStore
Date Tue, 28 Nov 2017 18:39:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16269234#comment-16269234
] 

genericqa commented on HDFS-12864:
----------------------------------

| (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 32s{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: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:brown} HDFS-7240 Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 22m 33s{color}
| {color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 19s{color} |
{color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 47s{color}
| {color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 18s{color} |
{color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 13m 46s{color}
| {color:green} branch has no errors when building and testing our client artifacts. {color}
|
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  2m 12s{color} |
{color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m  2s{color} |
{color:green} HDFS-7240 passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m  5s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 58s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 58s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 38s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  4s{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} shadedclient {color} | {color:green} 12m 40s{color}
| {color:green} patch has no errors when building and testing our client artifacts. {color}
|
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  2m 17s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m  1s{color} |
{color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}132m  1s{color} | {color:red}
hadoop-hdfs in the patch failed. {color} |
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red}  0m 24s{color} | {color:red}
The patch generated 1 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}195m  0s{color} | {color:black}
{color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.ozone.TestOzoneConfigurationFields |
|   | hadoop.hdfs.server.namenode.ha.TestPipelinesFailover |
|   | hadoop.ozone.container.common.impl.TestContainerPersistence |
|   | hadoop.ozone.client.rpc.TestOzoneRpcClient |
|   | hadoop.hdfs.TestErasureCodingMultipleRacks |
|   | hadoop.hdfs.TestFileCorruption |
|   | hadoop.cblock.TestCBlockReadWrite |
|   | hadoop.ozone.web.client.TestKeys |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:d11161b |
| JIRA Issue | HDFS-12864 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12899632/HDFS-12864-HDFS-7240.001.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  shadedclient
 findbugs  checkstyle  |
| uname | Linux 6fc114055775 3.13.0-135-generic #184-Ubuntu SMP Wed Oct 18 11:55:51 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | HDFS-7240 / 7f801cc |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_151 |
| findbugs | v3.1.0-RC1 |
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/22209/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/22209/testReport/ |
| asflicense | https://builds.apache.org/job/PreCommit-HDFS-Build/22209/artifact/out/patch-asflicense-problems.txt
|
| Max. process+thread count | 3256 (vs. ulimit of 5000) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/22209/console |
| Powered by | Apache Yetus 0.7.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Ozone: Turn off full synced write in RocksDB MetadataStore
> ----------------------------------------------------------
>
>                 Key: HDFS-12864
>                 URL: https://issues.apache.org/jira/browse/HDFS-12864
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>            Reporter: Elek, Marton
>            Assignee: Elek, Marton
>         Attachments: HDFS-12864-HDFS-7240.001.patch
>
>
> Based on the suggestion from [~xyao] I created the patch to turn off fully synced write
in the rocksdb.
> With this patch we measured about 10x performance gain (200 nodes cluster + 30 corona
instance).
> 1. We don't need fully synced rocksdb writing, as HA will cover the few cases when a
node would be lost
> 2. Long term (IMHO) we need to add a possibility to configure any settings in rocksdb,
so it could be turned off, but the setSync(false) is a reasonable default.



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