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Posted to dev@ambari.apache.org by "Andrii Tkach (JIRA)" <ji...@apache.org> on 2015/04/10 15:11:13 UTC
[jira] [Updated] (AMBARI-10436) RU - Fails if in Oozie if
hadoop-lzo codec is enabled after version bits have been distributed
[ https://issues.apache.org/jira/browse/AMBARI-10436?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrii Tkach updated AMBARI-10436:
----------------------------------
Attachment: AMBARI-10436.patch
> RU - Fails if in Oozie if hadoop-lzo codec is enabled after version bits have been distributed
> ----------------------------------------------------------------------------------------------
>
> Key: AMBARI-10436
> URL: https://issues.apache.org/jira/browse/AMBARI-10436
> Project: Ambari
> Issue Type: Bug
> Components: ambari-web
> Affects Versions: 2.0.0
> Reporter: Andrii Tkach
> Assignee: Andrii Tkach
> Fix For: 2.1.0
>
> Attachments: AMBARI-10436.patch
>
>
> There's a corner-case that can cause RU to fail if a user registers a version and installs it (i.e., distributes the bits to all of the hosts. Note that at this point there was no need to download hadoop-lzo jar), and then enables lzo compression, and begins the RU, then Oozie Server restart will fail because the lzo jar was never downloaded.
> lzo is enabled as follows.
> There are several ways to fix this corner case:
> 1. Force redistribution of bits for a version that is already INSTALLED. This is more general, and can help in other scenarios, so I think it's preferable.
> 2. Detect what changes to the configs should transition INSTALLED versions as OUT_OF_SYNC; this is difficult to maintain.
> 3. Have Oozie Server RU Restart download the package; this is not desirable because the RU now has to do more work that could have been done up-front.
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