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https://issues.apache.org/jira/browse/HBASE-9869?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13824989#comment-13824989
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stack commented on HBASE-9869:
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bq. For example, the tableName is already in the regionName of the HRegionInfo.
May be HRegionInfo should not have a reference to the TableName object, we
don't need it that often.
I thought HRI only had a table name, not a TableName? We did a load of work to
make it so HRI didn't have a HTD; would be a shame to go back there. Good on
you N.
> Optimize HConnectionManager#getCachedLocation
> ---------------------------------------------
>
> Key: HBASE-9869
> URL: https://issues.apache.org/jira/browse/HBASE-9869
> Project: HBase
> Issue Type: Bug
> Components: Client
> Affects Versions: 0.98.0, 0.96.0
> Reporter: Nicolas Liochon
> Assignee: Nicolas Liochon
> Fix For: 0.98.0, 0.96.1
>
> Attachments: 6869.v4.patch, 9869.v1.patch, 9869.v1.patch,
> 9869.v2.patch
>
>
> It javadoc says: "TODO: This method during writing consumes 15% of CPU doing
> lookup". This is still true, says Yourkit. With 0.96, we also spend more time
> in these methods. We retry more, and the AsyncProcess calls it in parallel.
> I don't have the patch for this yet, but I will spend some time on it.
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