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https://issues.apache.org/jira/browse/ACCUMULO-1281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13633599#comment-13633599
]
Hudson commented on ACCUMULO-1281:
----------------------------------
Integrated in Accumulo-Trunk #833 (See
[https://builds.apache.org/job/Accumulo-Trunk/833/])
ACCUMULO-1281 use the new authenticater api (Revision 1468546)
ACCUMULO-1281 flush and compact the !METADATA table after a gc cycle (Revision
1468533)
Result = SUCCESS
ecn :
Files :
* /accumulo/trunk
* /accumulo/trunk/assemble
* /accumulo/trunk/core
* /accumulo/trunk/examples
* /accumulo/trunk/fate/src/main/java/org/apache/accumulo/fate/ZooStore.java
*
/accumulo/trunk/fate/src/main/java/org/apache/accumulo/fate/zookeeper/ZooSession.java
* /accumulo/trunk/pom.xml
* /accumulo/trunk/server
*
/accumulo/trunk/server/src/main/java/org/apache/accumulo/server/gc/SimpleGarbageCollector.java
* /accumulo/trunk/src
ecn :
Files :
* /accumulo/trunk
* /accumulo/trunk/assemble
* /accumulo/trunk/core
* /accumulo/trunk/examples
* /accumulo/trunk/fate/src/main/java/org/apache/accumulo/fate/ZooStore.java
*
/accumulo/trunk/fate/src/main/java/org/apache/accumulo/fate/zookeeper/ZooSession.java
* /accumulo/trunk/pom.xml
* /accumulo/trunk/server
*
/accumulo/trunk/server/src/main/java/org/apache/accumulo/server/gc/SimpleGarbageCollector.java
* /accumulo/trunk/src
> flush the METADATA table after GC
> ---------------------------------
>
> Key: ACCUMULO-1281
> URL: https://issues.apache.org/jira/browse/ACCUMULO-1281
> Project: Accumulo
> Issue Type: Improvement
> Components: gc
> Reporter: Eric Newton
> Assignee: Eric Newton
> Priority: Trivial
> Fix For: 1.5.0
>
>
> The METADATA table is often small, with many in-memory writes. Because it is
> small, it does not normally get flushed, which will prune data with the
> versioning/delete iterators. Over time, the many in-memory versions can
> cause poor performance.
> The file garbage collector (gc) will make lots of updates as it runs. That
> would be a perfect time to flush the table and prune the versions.
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