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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-12987) Document - Disabling the Lazy persist file scrubber.
Date Thu, 04 Jan 2018 18:33:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12987?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arpit Agarwal updated HDFS-12987:
---------------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 3.1.0
           Status: Resolved  (was: Patch Available)

+1. I've committed this. Thanks Karthik and Surendra.

> Document - Disabling the Lazy persist file scrubber.
> ----------------------------------------------------
>
>                 Key: HDFS-12987
>                 URL: https://issues.apache.org/jira/browse/HDFS-12987
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: documentation, hdfs
>            Reporter: Karthik Palanisamy
>            Assignee: Karthik Palanisamy
>            Priority: Trivial
>              Labels: documentation
>             Fix For: 3.1.0
>
>         Attachments: HDFS-12987.patch
>
>
> LazyPersistFileScrubber will be disabled if scrubber interval configured to zero. But
the document was incorrect - "Set it to a negative value to disable this behavior". 
> Namenode will not start if we set to negative value. We have another strong check to
prevent it.
> {code:java}
>    if (this.lazyPersistFileScrubIntervalSec < 0) {
>         throw new IllegalArgumentException(
>             DFS_NAMENODE_LAZY_PERSIST_FILE_SCRUB_INTERVAL_SEC
>                 + " must be zero (for disable) or greater than zero.");
>       }
> {code}
> This seems reflected due to [HDFS-8276|https://issues.apache.org/jira/browse/HDFS-8276]



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