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Ted Yu commented on HBASE-451: ------------------------------ TestDistributedLogSplitting hung on Linux. The second time I ran it on my laptop, I got: {code} Failed tests: testThreeRSAbort(org.apache.hadoop.hbase.master.TestDistributedLogSplitting) {code} The first exception in output file was: {code} 2011-06-24 15:01:37,115 WARN [PostOpenDeployTasks:1028785192] handler.OpenRegionHandler$PostOpenDeployTasksThread(221): Exception running postOpenDeployTasks; region=1028785192 java.io.IOException: No server for -ROOT- at org.apache.hadoop.hbase.catalog.MetaEditor.updateMetaLocation(MetaEditor.java:149) at org.apache.hadoop.hbase.regionserver.HRegionServer.postOpenDeployTasks(HRegionServer.java:1405) at org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler$PostOpenDeployTasksThread.run(OpenRegionHandler.java:218) {code} Although there is no such exception in output on Linux. > Remove HTableDescriptor from HRegionInfo > ---------------------------------------- > > Key: HBASE-451 > URL: https://issues.apache.org/jira/browse/HBASE-451 > Project: HBase > Issue Type: Improvement > Components: master, regionserver > Affects Versions: 0.2.0 > Reporter: Jim Kellerman > Assignee: Subbu M Iyer > Priority: Critical > Fix For: 0.92.0 > > Attachments: 451-addendum.txt, > 451_support_for_removing_HTD_from_HRI_trunk.txt, > HBASE-451-Fixed_broken_TestAdmin.patch, > HBASE-451-Fixed_broken_TestAdmin1.patch, > HBASE-451_-_First_draft_support_for_removing_HTD_from_HRI1.patch, > HBASE-451_-_Fourth_draft_support_for_removing_HTD_from_HRI.patch, > HBASE-451_-_Second_draft_-_Remove_HTD_from_HRI.patch, descriptors.txt, > fixtestadmin.txt, pass_htd_on_region_construction.txt > > > There is an HRegionInfo for every region in HBase. Currently HRegionInfo also > contains the HTableDescriptor (the schema). That means we store the schema n > times where n is the number of regions in the table. > Additionally, for every region of the same table that the region server has > open, there is a copy of the schema. Thus it is stored in memory once for > each open region. > If HRegionInfo merely contained the table name the HTableDescriptor could be > stored in a separate file and easily found. -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira