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From "Ted Yu (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4213) Support for fault tolerant, instant schema updates with out master's intervention (i.e with out enable/disable and bulk assign/unassign) through ZK.
Date Thu, 13 Oct 2011 03:55:11 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13126331#comment-13126331
] 

Ted Yu commented on HBASE-4213:
-------------------------------

Nice work, Subbu.
Please adjust your patch for TRUNK:
{code}
patching file src/test/java/org/apache/hadoop/hbase/regionserver/handler/MockRegionServerServices.java
Hunk #1 FAILED at 18.
Hunk #2 succeeded at 52 (offset 1 line).
1 out of 2 hunks FAILED -- saving rejects to file src/test/java/org/apache/hadoop/hbase/regionserver/handler/MockRegionServerServices.java.rej
...
Hunk #4 succeeded at 241 (offset 14 lines).
1 out of 4 hunks FAILED -- saving rejects to file src/test/java/org/apache/hadoop/hbase/master/TestCatalogJanitor.java.rej
...
2 out of 20 hunks FAILED -- saving rejects to file src/main/java/org/apache/hadoop/hbase/master/HMaster.java.rej
...
1 out of 2 hunks FAILED -- saving rejects to file src/main/java/org/apache/hadoop/hbase/master/MasterServices.java.rej
{code}
                
> Support for fault tolerant, instant schema updates with out master's intervention (i.e
with out enable/disable and bulk assign/unassign) through ZK.
> ----------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-4213
>                 URL: https://issues.apache.org/jira/browse/HBASE-4213
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Subbu M Iyer
>            Assignee: Subbu M Iyer
>             Fix For: 0.92.0
>
>         Attachments: 4213-101211-Support_instant_schema_changes_through_ZK.patch, 4213-Instant_Schema_change_through_ZK.patch,
4213-V10-Support_instant_schema_changes_through_ZK.patch, 4213-V5-Support_instant_schema_changes_through_ZK.patch,
4213-V7-Support_instant_schema_changes_through_ZK.patch, 4213-V8-Support_instant_schema_changes_through_ZK.patch,
4213-V9-Support_instant_schema_changes_through_ZK.patch, 4213-v9.txt, 4213.v6, HBASE-4213-Instant_schema_change.patch,
HBASE-4213_Instant_schema_change_-Version_2_.patch, HBASE_Instant_schema_change-version_3_.patch
>
>
> This Jira is a slight variation in approach to what is being done as part of 
> https://issues.apache.org/jira/browse/HBASE-1730
> Support instant schema updates such as Modify Table, Add Column, Modify Column operations:
> 1. With out enable/disabling the table.
> 2. With out bulk unassign/assign of regions.

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