[jira] [Commented] (HBASE-9522) Allow region opening even if creation of some HFile Readers fail.

["ramkrishna.s.vasudevan (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-9522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13800357#comment-13800357 ] 

ramkrishna.s.vasudevan commented on HBASE-9522:
-----------------------------------------------

I will give a patch this week.

> Allow region opening even if creation of some HFile Readers fail.
> -----------------------------------------------------------------
>
>                 Key: HBASE-9522
>                 URL: https://issues.apache.org/jira/browse/HBASE-9522
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 0.95.2, 0.94.11, 0.96.0
>            Reporter: ramkrishna.s.vasudevan
>            Assignee: ramkrishna.s.vasudevan
>            Priority: Minor
>             Fix For: 0.98.0, 0.96.1, 0.94.14
>
>
> In some scenarios, when am sure that the Reader creation while region opening would fail, it would be better if the region still opens with a warning.  This would ensure that atleast the data that is available can be read instead of failing the region assignment.  
> Agree that, this should be based on a configuration.  If you feel this is ok, I can give a patch.  The patch would just collect a list of store files for which the region opening failed and just log those files.



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