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Posted to issues@hbase.apache.org by "Andrew Purtell (JIRA)" <ji...@apache.org> on 2013/12/02 05:19:37 UTC
[jira] [Updated] (HBASE-9754) Eliminate threadlocal from MVCC code
[ https://issues.apache.org/jira/browse/HBASE-9754?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew Purtell updated HBASE-9754:
----------------------------------
Resolution: Fixed
Status: Resolved (was: Patch Available)
This has been committed to trunk, resolving.
Reopen as necessary when committing to other branches.
> Eliminate threadlocal from MVCC code
> ------------------------------------
>
> Key: HBASE-9754
> URL: https://issues.apache.org/jira/browse/HBASE-9754
> Project: HBase
> Issue Type: Bug
> Reporter: Lars Hofhansl
> Assignee: Ted Yu
> Fix For: 0.98.0
>
> Attachments: 9754-0.94-v2.txt, 9754-0.94.txt, 9754-addendum.txt, 9754-rp-0.txt, 9754-rp-1.txt, 9754-rp-hregion-v2.txt, 9754-rp-hregion-v3.txt, 9754-rp-hregion.txt
>
>
> Brought up by [~vrodionov] and [~yuzhihong@gmail.com].
> Currently we use ThreadLocals to communicate the current readpoint between a RegionScanner and the Store\{File}Scanner's down the stack.
> Since ThreadLocals are not cheap we should consider whether it is possible to pass the readpoint through the call stack instead.
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