[jira] [Commented] (HBASE-9457) Master could fail start if region server with system table is down

["Jimmy Xiang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-9457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13761477#comment-13761477 ] 

Jimmy Xiang commented on HBASE-9457:
------------------------------------

[~toffer], [~saint.ack@gmail.com], is there any special reason we need to assign system tables before user tables? In case user tables depend on some system tables in the future? I don't see a system table server shutdown handler, so I assume user tables don't depend on system table for normal operations. At least user region assignment doesn't need system table to be available?  If so, can we assign system tables together with user tables? For example, the access control table is assigned just like another user table.
                
> Master could fail start if region server with system table is down
> ------------------------------------------------------------------
>
>                 Key: HBASE-9457
>                 URL: https://issues.apache.org/jira/browse/HBASE-9457
>             Project: HBase
>          Issue Type: Bug
>          Components: master, Region Assignment
>            Reporter: Jimmy Xiang
>            Assignee: Jimmy Xiang
>            Priority: Critical
>
> In the region server holding the system table is killed while master is starting, master will hang there waiting for system table to be assigned which won't happen.

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