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Posted to dev@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2008/11/02 02:15:44 UTC

[jira] Updated: (HBASE-977) Arcane HStoreKey comparator bug

     [ https://issues.apache.org/jira/browse/HBASE-977?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack updated HBASE-977:
------------------------

    Attachment: hbase-977.patch

Fix for HSK.Comparator and because HSK and BeforeThisHSK are now tied together because HSK.Comparator must know about BTHSK (they were before this patch but now are more so), I moved BTHSK into HSK.

> Arcane HStoreKey comparator bug
> -------------------------------
>
>                 Key: HBASE-977
>                 URL: https://issues.apache.org/jira/browse/HBASE-977
>             Project: Hadoop HBase
>          Issue Type: Bug
>            Reporter: stack
>             Fix For: 0.19.0
>
>         Attachments: hbase-977.patch
>
>
> While looking at another issue, I tripped over a weird HStoreKey Comparator bug.  The bug would throw us to wrong side during our binary search and we'd return null for a key in a mapfile even though the wanted key is present.
> It happens when we do our trick with the BeforeThisHStoreKey in mapfiles; i.e. return the key before this one but NOT this one.

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