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Posted to issues@hbase.apache.org by "Duo Zhang (JIRA)" <ji...@apache.org> on 2018/11/16 11:51:00 UTC

[jira] [Updated] (HBASE-21480) Taking snapshot when RS crashes prevent we bring the regions online

     [ https://issues.apache.org/jira/browse/HBASE-21480?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Duo Zhang updated HBASE-21480:
------------------------------
    Summary: Taking snapshot when RS crashes prevent we bring the regions online  (was: Taking snapshot when RS crashes may hang)

> Taking snapshot when RS crashes prevent we bring the regions online
> -------------------------------------------------------------------
>
>                 Key: HBASE-21480
>                 URL: https://issues.apache.org/jira/browse/HBASE-21480
>             Project: HBase
>          Issue Type: Improvement
>          Components: snapshots
>            Reporter: Duo Zhang
>            Priority: Major
>             Fix For: 3.0.0, 2.2.0
>
>         Attachments: HBASE-21480-UT-v1.patch, HBASE-21480-UT.patch
>
>
> The current implementation is not good enough. It will take the exclusive lock all the time which could hurt the availability, as we need to hold the shared lock when assigning regions.



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