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Posted to hdfs-issues@hadoop.apache.org by "Karthik Palanisamy (JIRA)" <ji...@apache.org> on 2018/01/04 10:02:00 UTC
[jira] [Commented] (HDFS-12987) Document - Disabling the Lazy
persist file scrubber.
[ https://issues.apache.org/jira/browse/HDFS-12987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16311102#comment-16311102 ]
Karthik Palanisamy commented on HDFS-12987:
-------------------------------------------
cc: [~surendrasingh]
> 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
> 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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