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https://issues.apache.org/jira/browse/HDFS-14760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16911833#comment-16911833
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Wei-Chiu Chuang commented on HDFS-14760:
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I'm pretty sure i've seen this before.
There are a few recent bug reports around quota calculation. Might be related:
HDFS-14566 HDFS-14633 HDFS-14519
> Log INFO mode if snapshot usage and actual usage differ
> -------------------------------------------------------
>
> Key: HDFS-14760
> URL: https://issues.apache.org/jira/browse/HDFS-14760
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: CR Hota
> Assignee: CR Hota
> Priority: Major
> Attachments: HDFS-14760.001.patch
>
>
> In DirectoryWithQuotaFeature#checkStoragespace code logs in error mode
> without throwing any exceptions or action and pollutes logs. This should be
> in INFO mode.
> {code}
> private void checkStoragespace(final INodeDirectory dir, final long
> computed) {
> if (-1 != quota.getStorageSpace() && usage.getStorageSpace() != computed)
> {
> NameNode.LOG.error("BUG: Inconsistent storagespace for directory "
> + dir.getFullPathName() + ". Cached = " + usage.getStorageSpace()
> + " != Computed = " + computed);
> }
> }
> {code}
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