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https://issues.apache.org/jira/browse/HBASE-9457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13761477#comment-13761477
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Jimmy Xiang commented on HBASE-9457:
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[~toffer], [[email protected]], 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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