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https://issues.apache.org/jira/browse/HBASE-4477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13117791#comment-13117791
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Hudson commented on HBASE-4477:
-------------------------------
Integrated in HBase-0.92 #31 (See
[https://builds.apache.org/job/HBase-0.92/31/])
HBASE-4477 Ability for an application to store metadata into the
transaction log (dhruba via jgray)
jgray :
Files :
* /hbase/branches/0.92/CHANGES.txt
*
/hbase/branches/0.92/src/main/java/org/apache/hadoop/hbase/client/Mutation.java
*
/hbase/branches/0.92/src/main/java/org/apache/hadoop/hbase/coprocessor/BaseRegionObserver.java
*
/hbase/branches/0.92/src/main/java/org/apache/hadoop/hbase/coprocessor/RegionObserver.java
*
/hbase/branches/0.92/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
*
/hbase/branches/0.92/src/main/java/org/apache/hadoop/hbase/regionserver/RegionCoprocessorHost.java
*
/hbase/branches/0.92/src/test/java/org/apache/hadoop/hbase/coprocessor/SimpleRegionObserver.java
*
/hbase/branches/0.92/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionObserverBypass.java
*
/hbase/branches/0.92/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionObserverStacking.java
*
/hbase/branches/0.92/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionServerCoprocessorExceptionWithAbort.java
*
/hbase/branches/0.92/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionServerCoprocessorExceptionWithRemove.java
*
/hbase/branches/0.92/src/test/java/org/apache/hadoop/hbase/replication/TestMasterReplication.java
> Ability for an application to store metadata into the transaction log
> ---------------------------------------------------------------------
>
> Key: HBASE-4477
> URL: https://issues.apache.org/jira/browse/HBASE-4477
> Project: HBase
> Issue Type: Improvement
> Reporter: dhruba borthakur
> Assignee: dhruba borthakur
> Fix For: 0.92.0
>
> Attachments: coprocessorPut1.txt, coprocessorPut2.txt,
> hlogMetadata1.txt
>
>
> mySQL allows an application to store an arbitrary blob along with each
> transaction in its transaction logs. This JIRA is to have a similar feature
> request for HBASE.
> The use case is as follows: An application on one data center A stores a blob
> of data along with each transaction. A replication software picks up these
> blobs from the transaction logs in A and hands it to another instance of the
> same application running on a remote data center B. The application in B is
> responsible for applying this to the remote Hbase cluster (and also handle
> conflict resolution if any).
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