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Posted to common-issues@hadoop.apache.org by "Giovanni Matteo Fumarola (JIRA)" <ji...@apache.org> on 2018/07/02 23:02:00 UTC
[jira] [Commented] (HADOOP-15528) Deprecate ContainerLaunch#link by
using FileUtil#SymLink
[ https://issues.apache.org/jira/browse/HADOOP-15528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16530551#comment-16530551 ]
Giovanni Matteo Fumarola commented on HADOOP-15528:
---------------------------------------------------
Attached [^HADOOP-15528-HADOOP-15461.v3.patch].
2 possible future improvements that we can do within this Jira or in a future jira:
* For each resource to create the symlink we try to create the directory. We should move the creation of the directory in ContainerExecutor.
* If the symlink failed we still start the container and we crash afterward. We have to avoid to start the container.
> Deprecate ContainerLaunch#link by using FileUtil#SymLink
> --------------------------------------------------------
>
> Key: HADOOP-15528
> URL: https://issues.apache.org/jira/browse/HADOOP-15528
> Project: Hadoop Common
> Issue Type: Sub-task
> Reporter: Giovanni Matteo Fumarola
> Assignee: Giovanni Matteo Fumarola
> Priority: Major
> Attachments: HADOOP-15528-HADOOP-15461.v1.patch, HADOOP-15528-HADOOP-15461.v2.patch, HADOOP-15528-HADOOP-15461.v3.patch
>
>
> {{ContainerLaunch}} currently uses its own utility to create links (including winutils).
> This should be deprecated and rely on {{FileUtil#SymLink}} which is already multi-platform and pure Java.
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