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Posted to issues@hbase.apache.org by "Hiroshi Ikeda (JIRA)" <ji...@apache.org> on 2015/10/05 04:45:27 UTC

[jira] [Commented] (HBASE-14279) Race condition in ConcurrentIndex

    [ https://issues.apache.org/jira/browse/HBASE-14279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14942891#comment-14942891 ] 

Hiroshi Ikeda commented on HBASE-14279:
---------------------------------------

Oops, {{remove}} contains a bug :(

> Race condition in ConcurrentIndex
> ---------------------------------
>
>                 Key: HBASE-14279
>                 URL: https://issues.apache.org/jira/browse/HBASE-14279
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Hiroshi Ikeda
>            Assignee: Heng Chen
>            Priority: Minor
>         Attachments: HBASE-14279.patch, HBASE-14279_v2.patch, LockStripedBag.java
>
>
> {{ConcurrentIndex.put}} and {{remove}} are in race condition. It is possible to remove a non-empty set, and to add a value to a removed set. Also {{ConcurrentIndex.values}} is vague in sense that the returned set sometimes trace the current state and sometimes doesn't.



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