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https://issues.apache.org/jira/browse/HDFS-13307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16404045#comment-16404045
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liuhongtong commented on HDFS-13307:
------------------------------------
According to current design, hdfs dfsrouteradmin -setQuota must specify both of
-nsQuota and -ssQuota, but there is no limitation to specify only one of them,
which is a misusage.
> RBF: Fix setQuota bug
> ---------------------
>
> Key: HDFS-13307
> URL: https://issues.apache.org/jira/browse/HDFS-13307
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: liuhongtong
> Priority: Major
> Attachments: HDFS-13307.001.patch
>
>
> If hdfs dfsrouteradmin -setQuota only set one of -nsQuota and -ssQuota, the
> another one will be cleared.
> The following is the step:
> 1. set /test1 -nsQuota 400 -ssQuota 200
> hdfs dfsrouteradmin -setQuota /test1 -nsQuota 400 -ssQuota 200
> Successfully set quota for mount point /test1
> 2. after a moment, list /test1, everything is ok.
> hdfs dfsrouteradmin -ls /test1
> Source Destinations Owner
> Group Mode Quota/Usage
> /test1 ns1->/test1 hadp
> hadp rwxr-xr-x [NsQuota: 400/0, SsQuota:
> 200 B/0 B]
> 3. only set /test1 -nsQuota 600
> hdfs dfsrouteradmin -setQuota /test1 -nsQuota 600
> Successfully set quota for mount point /test1
> 4. after a moment, list /test1, now ssQuota has been cleared.
> hdfs dfsrouteradmin -ls /test1
> Source Destinations Owner
> Group Mode Quota/Usage
> /test1 ns1->/test1 hadp
> hadp rwxr-xr-x [NsQuota: 600/0, SsQuota:
> -/-]
> [^HDFS-13307.001.patch]
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