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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10175) add per-operation stats to FileSystem.Statistics
Date Sat, 16 Apr 2016 06:33:25 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10175?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15244044#comment-15244044
] 

Hadoop QA commented on HDFS-10175:
----------------------------------

| (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 19s {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:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 55s {color} | {color:blue}
Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 10m 21s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 12m 24s {color} |
{color:green} trunk passed with JDK v1.8.0_77 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 10m 36s {color} |
{color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 38s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 3m 33s {color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 1m 8s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 7m 3s {color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 3m 48s {color} |
{color:green} trunk passed with JDK v1.8.0_77 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 5m 2s {color} | {color:green}
trunk passed with JDK v1.7.0_95 {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 24s {color} | {color:blue}
Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m 1s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 12m 4s {color} |
{color:green} the patch passed with JDK v1.8.0_77 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 12m 4s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 10m 32s {color} |
{color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 10m 32s {color} | {color:green}
the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 1m 35s {color} | {color:red}
root: patch generated 1 new + 211 unchanged - 1 fixed = 212 total (was 212) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 3m 26s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 1m 6s {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} 7m 57s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 3m 42s {color} |
{color:green} the patch passed with JDK v1.8.0_77 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 4m 54s {color} |
{color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 11m 9s {color} | {color:red}
hadoop-common in the patch failed with JDK v1.8.0_77. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 31s {color} | {color:green}
hadoop-hdfs-client in the patch passed with JDK v1.8.0_77. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 76m 36s {color} | {color:red}
hadoop-hdfs in the patch failed with JDK v1.8.0_77. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 10m 59s {color} | {color:red}
hadoop-common in the patch failed with JDK v1.7.0_95. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 26s {color} | {color:green}
hadoop-hdfs-client in the patch passed with JDK v1.7.0_95. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 76m 25s {color} | {color:red}
hadoop-hdfs in the patch failed with JDK v1.7.0_95. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 59s {color}
| {color:green} Patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 287m 8s {color} | {color:black}
{color} |
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|| Reason || Tests ||
| JDK v1.8.0_77 Failed junit tests | hadoop.ipc.TestRPCWaitForProxy |
|   | hadoop.net.TestDNS |
|   | hadoop.hdfs.server.balancer.TestBalancerWithMultipleNameNodes |
|   | hadoop.hdfs.server.datanode.TestDirectoryScanner |
|   | hadoop.hdfs.server.namenode.TestEditLog |
|   | hadoop.hdfs.server.namenode.TestDecommissioningStatus |
|   | hadoop.hdfs.server.namenode.TestReconstructStripedBlocks |
|   | hadoop.hdfs.server.namenode.ha.TestEditLogTailer |
|   | hadoop.hdfs.server.datanode.TestDataNodeUUID |
|   | hadoop.hdfs.server.datanode.TestDataNodeMultipleRegistrations |
|   | hadoop.hdfs.shortcircuit.TestShortCircuitLocalRead |
|   | hadoop.hdfs.security.TestDelegationTokenForProxyUser |
|   | hadoop.hdfs.TestFileAppend |
|   | hadoop.hdfs.server.datanode.fsdataset.impl.TestFsDatasetImpl |
| JDK v1.8.0_77 Timed out junit tests | org.apache.hadoop.hdfs.TestDFSClientRetries |
|   | org.apache.hadoop.hdfs.server.balancer.TestBalancer |
|   | org.apache.hadoop.hdfs.TestReadStripedFileWithDecoding |
|   | org.apache.hadoop.hdfs.server.datanode.TestDirectoryScanner |
| JDK v1.7.0_95 Failed junit tests | hadoop.ipc.TestRPCWaitForProxy |
|   | hadoop.hdfs.server.datanode.TestDirectoryScanner |
|   | hadoop.hdfs.shortcircuit.TestShortCircuitLocalRead |
|   | hadoop.hdfs.server.blockmanagement.TestPendingInvalidateBlock |
|   | hadoop.hdfs.server.datanode.fsdataset.impl.TestFsDatasetImpl |
| JDK v1.7.0_95 Timed out junit tests | org.apache.hadoop.hdfs.TestParallelShortCircuitLegacyRead
|
|   | org.apache.hadoop.hdfs.TestAclsEndToEnd |
|   | org.apache.hadoop.hdfs.TestDFSStorageStateRecovery |
|   | org.apache.hadoop.hdfs.TestFileAppend2 |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:fbe3e86 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12799057/HDFS-10175.005.patch
|
| JIRA Issue | HDFS-10175 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux 7868aa0a2d5d 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 / cab9cba |
| Default Java | 1.7.0_95 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_77 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95
|
| findbugs | v3.0.0 |
| checkstyle | https://builds.apache.org/job/PreCommit-HDFS-Build/15177/artifact/patchprocess/diff-checkstyle-root.txt
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/15177/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.8.0_77.txt
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/15177/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_77.txt
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/15177/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.7.0_95.txt
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/15177/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_95.txt
|
| unit test logs |  https://builds.apache.org/job/PreCommit-HDFS-Build/15177/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.8.0_77.txt
https://builds.apache.org/job/PreCommit-HDFS-Build/15177/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_77.txt
https://builds.apache.org/job/PreCommit-HDFS-Build/15177/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.7.0_95.txt
https://builds.apache.org/job/PreCommit-HDFS-Build/15177/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_95.txt
|
| JDK v1.7.0_95  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/15177/testReport/
|
| modules | C:  hadoop-common-project/hadoop-common   hadoop-hdfs-project/hadoop-hdfs-client
  hadoop-hdfs-project/hadoop-hdfs  U: . |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/15177/console |
| Powered by | Apache Yetus 0.2.0   http://yetus.apache.org |


This message was automatically generated.



> add per-operation stats to FileSystem.Statistics
> ------------------------------------------------
>
>                 Key: HDFS-10175
>                 URL: https://issues.apache.org/jira/browse/HDFS-10175
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs-client
>            Reporter: Ram Venkatesh
>            Assignee: Mingliang Liu
>         Attachments: HDFS-10175.000.patch, HDFS-10175.001.patch, HDFS-10175.002.patch,
HDFS-10175.003.patch, HDFS-10175.004.patch, HDFS-10175.005.patch, TestStatisticsOverhead.java
>
>
> Currently FileSystem.Statistics exposes the following statistics:
> BytesRead
> BytesWritten
> ReadOps
> LargeReadOps
> WriteOps
> These are in-turn exposed as job counters by MapReduce and other frameworks. There is
logic within DfsClient to map operations to these counters that can be confusing, for instance,
mkdirs counts as a writeOp.
> Proposed enhancement:
> Add a statistic for each DfsClient operation including create, append, createSymlink,
delete, exists, mkdirs, rename and expose them as new properties on the Statistics object.
The operation-specific counters can be used for analyzing the load imposed by a particular
job on HDFS. 
> For example, we can use them to identify jobs that end up creating a large number of
files.
> Once this information is available in the Statistics object, the app frameworks like
MapReduce can expose them as additional counters to be aggregated and recorded as part of
job summary.



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