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From "Doroszlai, Attila (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-19372) Disable FileCache update for parallel_execution
Date Wed, 04 Jan 2017 22:10:59 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-19372?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Doroszlai, Attila updated AMBARI-19372:
---------------------------------------
    Status: Patch Available  (was: In Progress)

> Disable FileCache update for parallel_execution
> -----------------------------------------------
>
>                 Key: AMBARI-19372
>                 URL: https://issues.apache.org/jira/browse/AMBARI-19372
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-agent
>    Affects Versions: 3.0.0
>            Reporter: Doroszlai, Attila
>            Assignee: Doroszlai, Attila
>            Priority: Critical
>             Fix For: 3.0.0
>
>         Attachments: AMBARI-19372.patch
>
>
> Ambari agent's {{FileCache}} is not thread-safe, hence needs to be disabled if {{parallel_execution}}
is enabled.  The server's {{agent.auto.cache.update=false}} setting is not enough to prevent
all subprocesses from using the file cache, because they are started before the setting is
received from the server.



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