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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9206) Inconsistent default value of dfs.datanode.stripedread.buffer.size
Date Wed, 07 Oct 2015 05:39:26 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14946299#comment-14946299
] 

Hadoop QA commented on HDFS-9206:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  17m 43s | Pre-patch trunk compilation is healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any @author tags.
|
| {color:red}-1{color} | tests included |   0m  0s | 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:green}+1{color} | javac |   9m  3s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |  11m 20s | There were no new javadoc warning messages.
|
| {color:red}-1{color} | release audit |   0m 16s | The applied patch generated 1 release
audit warnings. |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | install |   1m 41s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 36s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | native |   3m 35s | Pre-build of native portion |
| {color:red}-1{color} | hdfs tests | 126m 29s | Tests failed in hadoop-hdfs. |
| | | 170m 46s | |
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|| Reason || Tests ||
| Failed unit tests | hadoop.hdfs.server.namenode.TestXAttrConfigFlag |
|   | hadoop.hdfs.server.namenode.TestDeleteRace |
|   | hadoop.hdfs.TestLeaseRecovery2 |
|   | hadoop.hdfs.server.namenode.TestFileContextAcl |
|   | hadoop.hdfs.server.datanode.TestFsDatasetCache |
|   | hadoop.hdfs.server.namenode.TestFsck |
| Timed out tests | org.apache.hadoop.hdfs.server.namenode.TestDecommissioningStatus |
|   | org.apache.hadoop.hdfs.server.namenode.web.resources.TestWebHdfsDataLocality |
|   | org.apache.hadoop.hdfs.server.balancer.TestBalancer |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12765318/HDFS-9206.patch |
| Optional Tests | javadoc javac unit |
| git revision | trunk / 1bca1bb |
| Release Audit | https://builds.apache.org/job/PreCommit-HDFS-Build/12826/artifact/patchprocess/patchReleaseAuditProblems.txt
|
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/12826/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/12826/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf907.gq1.ygridcore.net 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 |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/12826/console |


This message was automatically generated.

> Inconsistent default value of dfs.datanode.stripedread.buffer.size
> ------------------------------------------------------------------
>
>                 Key: HDFS-9206
>                 URL: https://issues.apache.org/jira/browse/HDFS-9206
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: erasure-coding
>            Reporter: Walter Su
>            Assignee: Walter Su
>            Priority: Trivial
>         Attachments: HDFS-9206.patch
>
>
> {noformat}
> DFS_DATANODE_STRIPED_READ_BUFFER_SIZE_DEFAULT = 64 * 1024;
> <property>
>   <name>dfs.datanode.stripedread.buffer.size</name>
>   <value>262144</value>
>   <description>Datanode striped read buffer size.
>   </description>
> </property>
> {noformat}
> Once before we used 256k cellSize, now we changed to 64k as default value.



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