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From "jiraposter@reviews.apache.org (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4895) Change tablename format in meta to be the UUID of the tablename rather than the tablename.
Date Tue, 13 Dec 2011 23:07:30 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4895?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13168828#comment-13168828
] 

jiraposter@reviews.apache.org commented on HBASE-4895:
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-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/3188/#review3892
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When I scan, I'll see uuids.  How do I go from uuid to tablename as I ask in below?


src/main/java/org/apache/hadoop/hbase/HRegionInfo.java
<https://reviews.apache.org/r/3188/#comment8750>

    This uuid type 3 will be same no matter what machine or time (it looks like it but asking
if you verified)
    
    One day we should add to Bytes a Bytes.toBytes that takes a uuid 



src/main/java/org/apache/hadoop/hbase/HRegionInfo.java
<https://reviews.apache.org/r/3188/#comment8751>

    Whats this here?  UUID tablename?



src/main/java/org/apache/hadoop/hbase/HRegionInfo.java
<https://reviews.apache.org/r/3188/#comment8752>

    Is this tablename or uuid?  Don't you have to deprecate the old method rather than just
drop it?



src/main/java/org/apache/hadoop/hbase/HRegionInfo.java
<https://reviews.apache.org/r/3188/#comment8753>

    How do I go from uuid of tablename back to tablename?  I don't see it.



src/main/java/org/apache/hadoop/hbase/client/MetaSearchRow.java
<https://reviews.apache.org/r/3188/#comment8755>

    Whats going on here?  The other patch adds this file.  So it has to go in first?


- Michael


On 2011-12-13 21:13:46, Alex Newman wrote:
bq.  
bq.  -----------------------------------------------------------
bq.  This is an automatically generated e-mail. To reply, visit:
bq.  https://reviews.apache.org/r/3188/
bq.  -----------------------------------------------------------
bq.  
bq.  (Updated 2011-12-13 21:13:46)
bq.  
bq.  
bq.  Review request for hbase.
bq.  
bq.  
bq.  Summary
bq.  -------
bq.  
bq.  PART 2 of hbase-4616
bq.  
bq.  By uuiding the tablename in the metarow, it enables us to be able to use binary values
for the end of table marker
bq.  
bq.  
bq.  This addresses bug HBASE-4895.
bq.      https://issues.apache.org/jira/browse/HBASE-4895
bq.  
bq.  
bq.  Diffs
bq.  -----
bq.  
bq.    src/main/java/org/apache/hadoop/hbase/HRegionInfo.java 74cb821 
bq.    src/main/java/org/apache/hadoop/hbase/catalog/MetaReader.java e5e60a8 
bq.    src/main/java/org/apache/hadoop/hbase/client/MetaSearchRow.java PRE-CREATION 
bq.    src/main/java/org/apache/hadoop/hbase/util/Merge.java 67d0fda 
bq.    src/test/java/org/apache/hadoop/hbase/client/TestAdmin.java 95712dd 
bq.    src/test/java/org/apache/hadoop/hbase/coprocessor/SampleRegionWALObserver.java ff9c502

bq.    src/test/java/org/apache/hadoop/hbase/coprocessor/TestClassLoading.java 368a0e5 
bq.    src/test/java/org/apache/hadoop/hbase/coprocessor/TestWALObserver.java 36dd289 
bq.    src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegionInfo.java 6e1211b 
bq.    src/test/java/org/apache/hadoop/hbase/rest/TestStatusResource.java cffdcb6 
bq.    src/test/ruby/hbase/admin_test.rb 0c2672b 
bq.  
bq.  Diff: https://reviews.apache.org/r/3188/diff
bq.  
bq.  
bq.  Testing
bq.  -------
bq.  
bq.  
bq.  Thanks,
bq.  
bq.  Alex
bq.  
bq.


                
> Change tablename format in meta to be the UUID of the tablename rather than the tablename.
> ------------------------------------------------------------------------------------------
>
>                 Key: HBASE-4895
>                 URL: https://issues.apache.org/jira/browse/HBASE-4895
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Alex Newman
>            Assignee: Alex Newman
>         Attachments: 0002-Moved-to-a-uuid-tablename.patch
>
>
> This is something stack and I discussed at hadoop world. Overall I think it cleans thing
up significantly.

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