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https://issues.apache.org/jira/browse/HDFS-13346?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16415277#comment-16415277
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Yiqun Lin edited comment on HDFS-13346 at 3/27/18 9:08 AM:
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[~liuhongtong], I think this will be a problem. I am thinking another way: Can
we define a new field {{isQuotaUpdated}} indicates that the router quota was
updated, and we set quota for subclusters in {{RouterQuotaUpdateService}} if
check this flag be updated.
[~elgoiri], any comments?
was (Author: linyiqun):
[~liuhongtong], I think this will be a problem. I am thinking another way: Can
we define a new field {{isQuotaUpdated}} indicates that the router quota was
updated, and we set quota for subclusters in {{RouterQuotaUpdateService}} if
check this flag be updated.
> RBF: Fix synchronization of router quota and ns quota
> -----------------------------------------------------
>
> Key: HDFS-13346
> URL: https://issues.apache.org/jira/browse/HDFS-13346
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: liuhongtong
> Assignee: liuhongtong
> Priority: Major
> Attachments: HDFS-13346.001.patch, HDFS-13346.002.patch
>
>
> Check Router Quota and ns Quota:
> {code}
> $ hdfs dfsrouteradmin -ls /ns10t
> Mount Table Entries:
> Source Destinations Owner
> Group Mode Quota/Usage
> /ns10t ns10->/ns10t hadp
> hadp rwxr-xr-x [NsQuota: 150/319,
> SsQuota: -/-]
> /ns10t/ns1mountpoint ns1->/a/tt hadp
> hadp rwxr-xr-x [NsQuota: -/-, SsQuota:
> -/-]
> $ hdfs dfs -count -q hdfs://ns10/ns10t
> 150 -155 none inf 3
> 302 0 hdfs://ns10/ns10t
> {code}
> Update Router Quota:
> {code:java}
> $ hdfs dfsrouteradmin -setQuota /ns10t -nsQuota 400
> Successfully set quota for mount point /ns10t
> {code}
> Check Router Quota and ns Quota:
> {code:java}
> $ hdfs dfsrouteradmin -ls /ns10t
> Mount Table Entries:
> Source Destinations Owner
> Group Mode Quota/Usage
> /ns10t ns10->/ns10t hadp
> hadp rwxr-xr-x [NsQuota: 400/319,
> SsQuota: -/-]
> /ns10t/ns1mountpoint ns1->/a/tt hadp
> hadp rwxr-xr-x [NsQuota: -/-, SsQuota:
> -/-]
> $ hdfs dfs -count -q hdfs://ns10/ns10t
> 150 -155 none inf 3
> 302 0 hdfs://ns10/ns10t
> {code}
> Now Router Quota has updated successfully, but ns Quota not.
>
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