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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6494) add mounting of HDFS Short-Circuit path for docker containers
Date Wed, 26 Jul 2017 20:49:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16102258#comment-16102258
] 

Hadoop QA commented on YARN-6494:
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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  0s{color} | {color:blue}
Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m  4s{color} | {color:red}
YARN-6494 does not apply to trunk. Rebase required? Wrong Branch? See https://wiki.apache.org/hadoop/HowToContribute
for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | YARN-6494 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12864527/YARN-6494.002.patch
|
| Console output | https://builds.apache.org/job/PreCommit-YARN-Build/16562/console |
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> add mounting of HDFS Short-Circuit path for docker containers
> -------------------------------------------------------------
>
>                 Key: YARN-6494
>                 URL: https://issues.apache.org/jira/browse/YARN-6494
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>            Reporter: Jaeboo Jeong
>            Assignee: Jaeboo Jeong
>         Attachments: YARN-6494.001.patch, YARN-6494.002.patch
>
>
> Currently there is a error message about HDFS short-circuit when docker container start.
> {code}
> WARN [main] org.apache.hadoop.hdfs.shortcircuit.DomainSocketFactory: error creating DomainSocket
> java.net.ConnectException: connect(2) error: No such file or directory when trying to
connect to ‘xxxxxxx’
>     at org.apache.hadoop.net.unix.DomainSocket.connect0(Native Method)
>     at org.apache.hadoop.net.unix.DomainSocket.connect(DomainSocket.java:250)
>     at org.apache.hadoop.hdfs.shortcircuit.DomainSocketFactory.createSocket(DomainSocketFactory.java:164)
>     at org.apache.hadoop.hdfs.BlockReaderFactory.nextDomainPeer(BlockReaderFactory.java:752)
> ...
> {code}
> if dfs.client.read.shortcircuit is true and dfs.domain.socket.path isn't equal “”,
we need to mount volume for short-circuit path.



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