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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11319) No need to use favored node mapping initialization to find all regions
Date Wed, 18 Jun 2014 19:18:25 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11319?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14036210#comment-14036210
] 

Hudson commented on HBASE-11319:
--------------------------------

SUCCESS: Integrated in HBase-TRUNK #5217 (See [https://builds.apache.org/job/HBase-TRUNK/5217/])
HBASE-11319 No need to use favored node mapping initialization to find all regions (jxiang:
rev 6834c929cc80b55c8c898dbd9b27b0f7a82e973b)
* hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRSKilledWhenInitializing.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
* hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterShutdown.java
* hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestRestartCluster.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/master/ServerManager.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/master/RegionStates.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java


> No need to use favored node mapping initialization to find all regions
> ----------------------------------------------------------------------
>
>                 Key: HBASE-11319
>                 URL: https://issues.apache.org/jira/browse/HBASE-11319
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Jimmy Xiang
>            Assignee: Jimmy Xiang
>            Priority: Minor
>             Fix For: 0.99.0
>
>         Attachments: hbase-11319.patch, hbase-11319_v2.patch, hbase-11319_v3.1.patch,
hbase-11319_v3.patch
>
>
> During a clean re/start, favored node mapping initialization scans meta for an assignment
snapshot. We can avoid this scan since such info is already loaded into region states. For
small cluster, this is not a big deal. However, if there are lots of regions, the scan is
better not to do.



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