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https://issues.apache.org/jira/browse/HDFS-11864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16020973#comment-16020973
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Hadoop QA commented on HDFS-11864:
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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
16s{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} mvninstall {color} | {color:green} 12m
41s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
15s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
52s{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} asflicense {color} | {color:green} 0m
24s{color} | {color:green} The patch does not generate ASF License warnings.
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| {color:black}{color} | {color:black} {color} | {color:black} 15m 44s{color} |
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:14b5c93 |
| JIRA Issue | HDFS-11864 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12869425/HDFS-11864.001.patch |
| Optional Tests | asflicense mvnsite |
| uname | Linux 6e90f2a79553 4.4.0-43-generic #63-Ubuntu SMP Wed Oct 12
13:48:03 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh
|
| git revision | trunk / d0f346a |
| modules | C: hadoop-common-project/hadoop-common U:
hadoop-common-project/hadoop-common |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/19559/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> Document Metrics to track usage of memory for writes
> ------------------------------------------------------
>
> Key: HDFS-11864
> URL: https://issues.apache.org/jira/browse/HDFS-11864
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: documentation
> Reporter: Brahma Reddy Battula
> Assignee: Yiqun Lin
> Attachments: HDFS-11864.001.patch
>
>
> HDFS-7129 introduced followings metrics which are not documented.
> {noformat}
> // RamDisk metrics on read/write
> @Metric MutableCounterLong ramDiskBlocksWrite;
> @Metric MutableCounterLong ramDiskBlocksWriteFallback;
> @Metric MutableCounterLong ramDiskBytesWrite;
> @Metric MutableCounterLong ramDiskBlocksReadHits;
>
> // RamDisk metrics on eviction
> @Metric MutableCounterLong ramDiskBlocksEvicted;
> @Metric MutableCounterLong ramDiskBlocksEvictedWithoutRead;
> @Metric MutableRate ramDiskBlocksEvictionWindowMs;
> final MutableQuantiles[] ramDiskBlocksEvictionWindowMsQuantiles;
>
>
> // RamDisk metrics on lazy persist
> @Metric MutableCounterLong ramDiskBlocksLazyPersisted;
> @Metric MutableCounterLong ramDiskBlocksDeletedBeforeLazyPersisted;
> @Metric MutableCounterLong ramDiskBytesLazyPersisted;
> @Metric MutableRate ramDiskBlocksLazyPersistWindowMs;
> final MutableQuantiles[] ramDiskBlocksLazyPersistWindowMsQuantiles;
> {noformat}
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