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https://issues.apache.org/jira/browse/HBASE-12035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14297845#comment-14297845
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Andrey Stepachev commented on HBASE-12035:
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Yeah, got it. Problem with failed test was in the fact, that
EnvironmentEdgeManager is used to reset time for TTL tests.
Fixed and changed Meta operations to use EnvironmentEdgeManager to assign times
to Delete and Puts and Gets.
> Client does an RPC to master everytime a region is relocated
> ------------------------------------------------------------
>
> Key: HBASE-12035
> URL: https://issues.apache.org/jira/browse/HBASE-12035
> Project: HBase
> Issue Type: Improvement
> Components: Client, master
> Affects Versions: 2.0.0
> Reporter: Enis Soztutar
> Assignee: Andrey Stepachev
> Priority: Critical
> Fix For: 2.0.0
>
> Attachments: HBASE-12035.patch, HBASE-12035.patch, HBASE-12035.patch,
> HBASE-12035.patch, HBASE-12035.patch, HBASE-12035.patch, HBASE-12035.patch,
> HBASE-12035.patch
>
>
> HBASE-7767 moved table enabled|disabled state to be kept in hdfs instead of
> zookeeper. isTableDisabled() which is used in
> HConnectionImplementation.relocateRegion() now became a master RPC call
> rather than a zookeeper client call. Since we do relocateRegion() calls
> everytime we want to relocate a region (region moved, RS down, etc) this
> implies that when the master is down, the some of the clients for uncached
> regions will be affected.
> See HBASE-7767 and HBASE-11974 for some more background.
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