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From "Andrey Stepachev (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11974) When a disabled table is scanned, NotServingRegionException is thrown instead of TableNotEnabledException
Date Mon, 22 Sep 2014 15:10:36 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14143287#comment-14143287
] 

Andrey Stepachev commented on HBASE-11974:
------------------------------------------

[~enis] bq. Agreed. The natural place to do this is meta or some other table. I was not very
involved with HBASE-7767. I though we would instead do a "tables" table and keep the HTD +
Table state there. This would have solved the problem of client lookups. 

I commented on idea of separate table: https://issues.apache.org/jira/browse/HBASE-7767?focusedCommentId=14098407&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14098407
and https://issues.apache.org/jira/browse/HBASE-7767?focusedCommentId=14098497&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14098497

If we don't want to hit master, why not proxy this requests via RegionServers with short living
caching and throttling? (we can cache more different requests actually and offload master
a bit). That is for 1.0 versions.

> When a disabled table is scanned, NotServingRegionException is thrown instead of TableNotEnabledException
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-11974
>                 URL: https://issues.apache.org/jira/browse/HBASE-11974
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>             Fix For: 2.0.0, 0.99.1
>
>         Attachments: 11974-1.0-v8.txt, 11974-test.patch, 11974-v1.txt, 11974-v2.txt,
11974-v3.txt, 11974-v4.txt, 11974-v5.txt, 11974-v6.txt, 11974-v7.txt, hbase-11974_v8.patch
>
>
> When a disabled table is scanned, TableNotEnabledException should be thrown.
> However, currently NotServingRegionException is thrown.
> Thanks to Romil Choksi who discovered this problem.



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