[
https://issues.apache.org/jira/browse/HBASE-3171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13597760#comment-13597760
]
Hudson commented on HBASE-3171:
-------------------------------
Integrated in HBase-TRUNK-on-Hadoop-2.0.0 #437 (See
[https://builds.apache.org/job/HBase-TRUNK-on-Hadoop-2.0.0/437/])
HBASE-3171 Drop ROOT and instead store META location(s) directly in
ZooKeeper (Revision 1454607)
Result = FAILURE
stack :
Files :
*
/hbase/trunk/hbase-client/src/main/java/org/apache/hadoop/hbase/HRegionInfo.java
*
/hbase/trunk/hbase-client/src/main/java/org/apache/hadoop/hbase/catalog/CatalogTracker.java
*
/hbase/trunk/hbase-client/src/main/java/org/apache/hadoop/hbase/catalog/MetaReader.java
*
/hbase/trunk/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java
*
/hbase/trunk/hbase-client/src/main/java/org/apache/hadoop/hbase/zookeeper/MetaRegionTracker.java
*
/hbase/trunk/hbase-client/src/main/java/org/apache/hadoop/hbase/zookeeper/RootRegionTracker.java
*
/hbase/trunk/hbase-client/src/main/java/org/apache/hadoop/hbase/zookeeper/ZKUtil.java
*
/hbase/trunk/hbase-client/src/main/java/org/apache/hadoop/hbase/zookeeper/ZooKeeperWatcher.java
*
/hbase/trunk/hbase-server/src/main/jamon/org/apache/hadoop/hbase/tmpl/master/AssignmentManagerStatusTmpl.jamon
*
/hbase/trunk/hbase-server/src/main/jamon/org/apache/hadoop/hbase/tmpl/master/MasterStatusTmpl.jamon
*
/hbase/trunk/hbase-server/src/main/jamon/org/apache/hadoop/hbase/tmpl/regionserver/RegionListTmpl.jamon
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/catalog/MetaEditor.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/catalog/MetaMigrationConvertingToPB.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterFileSystem.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterStatusServlet.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/RegionStates.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/ServerManager.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/ClosedRegionHandler.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/MetaServerShutdownHandler.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/OpenedRegionHandler.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/ServerShutdownHandler.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/HRegionServer.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/handler/OpenRegionHandler.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/security/access/AccessController.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/util/FSUtils.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/util/HMerge.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/util/Merge.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/util/MetaUtils.java
* /hbase/trunk/hbase-server/src/main/resources/hbase-webapps/master/table.jsp
* /hbase/trunk/hbase-server/src/main/ruby/hbase/admin.rb
* /hbase/trunk/hbase-server/src/main/ruby/hbase/table.rb
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestCase.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/TestDrainingServer.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/TestRegionRebalancing.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/catalog/TestCatalogTracker.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/catalog/TestMetaMigrationConvertingToPB.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/catalog/TestMetaReaderEditor.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAdmin.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/master/MockRegionServer.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestDistributedLogSplitting.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterFailover.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterMetrics.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterNoCluster.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterRestartAfterDisablingTable.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterStatusServlet.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestRollingRestart.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegionInfo.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRSKilledWhenMasterInitializing.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestStoreFileBlockCacheSummary.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/rest/TestStatusResource.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestHBaseFsck.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestMergeTool.java
* /hbase/trunk/hbase-server/src/test/ruby/hbase/admin_test.rb
* /hbase/trunk/hbase-server/src/test/ruby/hbase/table_test.rb
> Drop ROOT and instead store META location(s) directly in ZooKeeper
> ------------------------------------------------------------------
>
> Key: HBASE-3171
> URL: https://issues.apache.org/jira/browse/HBASE-3171
> Project: HBase
> Issue Type: Improvement
> Components: Client, master, regionserver, Zookeeper
> Reporter: Jonathan Gray
> Assignee: Jean-Daniel Cryans
> Fix For: 0.95.0
>
> Attachments: 3171v10.txt, HBASE-3171.patch, HBASE-3171-v2.patch,
> HBASE-3171-v3.patch, HBASE-3171-v4.patch, HBASE-3171-v5.patch,
> HBASE-3171-v6.patch, HBASE-3171-v7.patch, HBASE-3171-v8.patch
>
>
> Rather than storing the ROOT region location in ZooKeeper, going to ROOT, and
> reading the META location, we should just store the META location directly in
> ZooKeeper.
> The purpose of the root region from the bigtable paper was to support
> multiple meta regions. Currently, we explicitly only support a single meta
> region, so the translation from our current code of a single root location to
> a single meta location will be very simple. Long-term, it seems reasonable
> that we could store several meta region locations in ZK. There's been some
> discussion in HBASE-1755 about actually moving META into ZK, but I think this
> jira is a good step towards taking some of the complexity out of how we have
> to deal with catalog tables everywhere.
> As-is, a new client already requires ZK to get the root location, so this
> would not change those requirements in any way.
> The primary motivation for this is to simplify things like CatalogTracker.
> The way we can handle root in that class is really simple but the tracking of
> meta is difficulty and a bit hacky. This hack on tracking of the meta
> location is what caused one of the bugs over in HBASE-3159.
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