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Date: Wed, 26 Jul 2017 20:43:00 +0000 (UTC)
From: "Eric Badger (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
Message-ID: <JIRA.13065068.1492604691000.21311.1501101780867@Atlassian.JIRA>
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References: <JIRA.13065068.1492604691000@Atlassian.JIRA> <JIRA.13065068.1492604691027@jira-lw-us.apache.org>
Subject: [jira] [Commented] (YARN-6494) add mounting of HDFS Short-Circuit
 path for docker containers
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archived-at: Wed, 26 Jul 2017 20:43:06 -0000


    [ https://issues.apache.org/jira/browse/YARN-6494?page=3Dcom.atlassian.=
jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D16102=
248#comment-16102248 ]=20

Eric Badger commented on YARN-6494:
-----------------------------------

Moved to subtask of YARN-3611

> 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 c=
ontainer start.
> {code}
> WARN [main] org.apache.hadoop.hdfs.shortcircuit.DomainSocketFactory: erro=
r creating DomainSocket
> java.net.ConnectException: connect(2) error: No such file or directory wh=
en trying to connect to =E2=80=98xxxxxxx=E2=80=99
>     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.createSock=
et(DomainSocketFactory.java:164)
>     at org.apache.hadoop.hdfs.BlockReaderFactory.nextDomainPeer(BlockRead=
erFactory.java:752)
> ...
> {code}
> if dfs.client.read.shortcircuit is true and dfs.domain.socket.path isn't =
equal =E2=80=9C=E2=80=9D, we need to mount volume for short-circuit path.


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