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https://issues.apache.org/jira/browse/HBASE-4643?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13132349#comment-13132349
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Todd Lipcon commented on HBASE-4643:
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bq. One major issue HBASE-451 solves is that too much heap is consumed on the
master if the number of regions in the cluster is high.
That's really really easy to solve with a simple Interning strategy. See
http://guava-libraries.googlecode.com/svn/trunk/javadoc/com/google/common/collect/Interners.html#newWeakInterner()
It's not so much the particular bugs of upgrade - it's just that this whole
thing seems to have been sloppy. The number of bugs in upgrade is just one
example.
> Consider reverting HBASE-451 (change HRI to remove HTD) in 0.92
> ---------------------------------------------------------------
>
> Key: HBASE-4643
> URL: https://issues.apache.org/jira/browse/HBASE-4643
> Project: HBase
> Issue Type: Brainstorming
> Affects Versions: 0.92.0
> Reporter: Todd Lipcon
>
> I've been chatting with some folks recently about this thought: it seems
> like, if you enumerate the larger changes in 0.92, this is probably the one
> that is the most destabilizing that hasn't been through a lot of "baking"
> yet. You can see this evidenced by the very high number of followup commits
> it generated: looks like somewhere around 15 of them, plus some bugs still
> open.
> I've done a patch to revert this and the related followup changes on the 0.92
> branch. Do we want to consider doing this?
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