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Posted to issues@hbase.apache.org by "Li Pi (JIRA)" <ji...@apache.org> on 2011/08/29 16:20:38 UTC

[jira] [Updated] (HBASE-4278) Race condition in Slab.java that occurs due to spinlock unlocking early.

     [ https://issues.apache.org/jira/browse/HBASE-4278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Li Pi updated HBASE-4278:
-------------------------

    Status: Patch Available  (was: Open)

fixed.

> Race condition in Slab.java that occurs due to spinlock unlocking early.
> ------------------------------------------------------------------------
>
>                 Key: HBASE-4278
>                 URL: https://issues.apache.org/jira/browse/HBASE-4278
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Li Pi
>            Assignee: Li Pi
>             Fix For: 0.92.0
>
>
> Just a race condition in 4027. Occurs due to a spinlock that happens if the slab allocator is empty. When the slab allocator gets gets a slice of memory returned, if multiple threads are locked, both can be freed at the same time, leading one to throw an exception.

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