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Posted to issues@hbase.apache.org by "Duo Zhang (JIRA)" <ji...@apache.org> on 2018/11/16 03:35:00 UTC

[jira] [Updated] (HBASE-21480) Taking snapshot when RS crashes may hang

     [ 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 may hang  (was: Reimplement the snapshot related operations for hbase 2.x)

> Taking snapshot when RS crashes may hang
> ----------------------------------------
>
>                 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.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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