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https://issues.apache.org/jira/browse/HDFS-14815?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16969812#comment-16969812
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Hudson commented on HDFS-14815:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #17618 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/17618/])
HDFS-14815. RBF: Update the quota in MountTable when calling setQuota on
(ayushsaxena: rev 42fc8884ab9763e8778670f301896bf473ecf1d2)
* (edit)
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterQuotaManager.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/Quota.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestRouterQuota.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestDisableRouterQuota.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterAdminServer.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestRouterAdminCLI.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterClientProtocol.java
> RBF: Update the quota in MountTable when calling setQuota on a MountTable src.
> ------------------------------------------------------------------------------
>
> Key: HDFS-14815
> URL: https://issues.apache.org/jira/browse/HDFS-14815
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Jinglun
> Assignee: Jinglun
> Priority: Major
> Fix For: 3.3.0
>
> Attachments: HDFS-14815.001.patch, HDFS-14815.002.patch,
> HDFS-14815.003.patch, HDFS-14815.004.patch, HDFS-14815.005.patch
>
>
> The method setQuota() can make the remote quota(the quota on real clusters)
> inconsistent with the MountTable. I think we have 3 ways to fix it:
> # Reject all the setQuota() rpcs if it trys to change the quota of a mount
> table.
> # Let setQuota() to change the mount table quota. Update the quota on zk
> first and then update remote quotas.
> # Do nothing. The RouterQuotaUpdateService will finally make all the remote
> quota right. We can tolerate short-term inconsistencies.
> I'd like option 1 because I want the RouterAdmin to be the only entrance to
> update the MountTable.
> Option 3 we don't need change anything, but the quota will be inconsistent
> for a short-term. The remote quota will be effective immediately and
> auto-changed back after a while. User might be confused about the behavior.
> Â
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