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https://issues.apache.org/jira/browse/HBASE-6427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13425474#comment-13425474
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Hudson commented on HBASE-6427:
-------------------------------
Integrated in HBase-TRUNK #3185 (See
[https://builds.apache.org/job/HBase-TRUNK/3185/])
HBASE-6427 Pluggable compaction and scan policies via coprocessors
(Revision 1367361)
Result = SUCCESS
larsh :
Files :
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/BaseRegionObserver.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/RegionObserver.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/Compactor.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RegionCoprocessorHost.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/ScanQueryMatcher.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/ScanType.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/Store.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/StoreScanner.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestingUtility.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/MiniHBaseCluster.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestFromClientSide.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestFromClientSideWithCoprocessor.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/SimpleRegionObserver.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/HFileReadWriteTest.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/NoOpScanPolicyObserver.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestCompactionWithCoprocessor.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestMemStore.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestStoreScanner.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestCoprocessorScanPolicy.java
> Pluggable compaction and scan policies via coprocessors
> -------------------------------------------------------
>
> Key: HBASE-6427
> URL: https://issues.apache.org/jira/browse/HBASE-6427
> Project: HBase
> Issue Type: New Feature
> Reporter: Lars Hofhansl
> Assignee: Lars Hofhansl
> Priority: Minor
> Fix For: 0.96.0, 0.94.2
>
> Attachments: 6427-0.94.txt, 6427-notReady.txt, 6427-v1.txt,
> 6427-v10.txt, 6427-v2.txt, 6427-v3.txt, 6427-v4.txt, 6427-v5.txt, 6427-v7.txt
>
>
> When implementing higher level stores on top of HBase it is necessary to
> allow dynamic control over how long KVs must be kept around.
> Semi-static config options for ColumnFamilies (# of version or TTL) is not
> sufficient.
> This can be done with a few additional coprocessor hooks, or by makeing
> Store.ScanInfo pluggable.
> Was:
> The simplest way to achieve this is to have a pluggable class to determine
> the smallestReadpoint for Region. That way outside code can control what KVs
> to retain.
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