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Posted to issues@hbase.apache.org by "Mingjie Lai (JIRA)" <ji...@apache.org> on 2011/04/09 00:15:11 UTC

[jira] [Updated] (HBASE-3758) HTable.delete triggers pre/postScannerOpen upcalls of RegionObserver

     [ https://issues.apache.org/jira/browse/HBASE-3758?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mingjie Lai updated HBASE-3758:
-------------------------------

    Attachment: HBase3758.patch

Patch attached here. 

> HTable.delete triggers pre/postScannerOpen upcalls of RegionObserver
> --------------------------------------------------------------------
>
>                 Key: HBASE-3758
>                 URL: https://issues.apache.org/jira/browse/HBASE-3758
>             Project: HBase
>          Issue Type: Bug
>          Components: coprocessors
>            Reporter: Mingjie Lai
>            Assignee: Mingjie Lai
>             Fix For: 0.92.0
>
>         Attachments: HBase3758.patch
>
>
> Currently RegionObserver pre/postScannerOpen() upcalls are injected at HRegion.instantiateInternalScanner(). If someone uses scanner methods at HRegion, ScannerOpen upcalls can be triggered unexpectedly. HBase-3583 pulled scannerNext and scannerClose from HRegion to HRegionServer. We also need to pull scannerOpen to HRegionObserver to prevent unexpected triggers. 

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