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[HBASE-7070] Scanner may retry forever after HBASE-5974 - HBase - [issue]
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...After the patch of HBASE-5974Suppose The process is as the following:1.A next request is very large, so first time it is failed because of timeout2.The second time it is failed again because...
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http://issues.apache.org/jira/browse/HBASE-7070
Author: chunhui shen,
2012-11-04, 17:31
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[HBASE-5179] Concurrent processing of processFaileOver and ServerShutdownHandler may cause region to be assigned before log splitting is completed, causing data loss - HBase - [issue]
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...If master's processing its failover and ServerShutdownHandler's processing happen concurrently, it may appear following case.1.master completed splitLogAfterStartup()2.RegionserverA re...
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http://issues.apache.org/jira/browse/HBASE-5179
Author: chunhui shen,
2012-10-25, 17:46
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[HBASE-6839] Operations may be executed without holding rowLock - HBase - [issue]
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...HRegion#internalObtainRowLock will return null if timed out,but many place which call this method don't handle this caseThe bad result is operation will be executed even if it havn't obtaine...
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http://issues.apache.org/jira/browse/HBASE-6839
Author: chunhui shen,
2012-10-24, 06:40
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[HBASE-6012] Handling RegionOpeningState for bulk assign - HBase - [issue]
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...Since HBASE-5914, we using bulk assign for SSHBut in the bulk assign case if we get an ALREADY_OPENED case there is no one to clear the znode created by bulk assign. Another thing, when RS o...
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http://issues.apache.org/jira/browse/HBASE-6012
Author: chunhui shen,
2012-10-24, 01:17
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[HBASE-5914] Bulk assign regions in the process of ServerShutdownHandler - HBase - [issue]
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...In the process of ServerShutdownHandler, we currently assign regions singly.In the large cluster, one regionserver always carried many regions, this action is quite slow.What about usi...
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http://issues.apache.org/jira/browse/HBASE-5914
Author: chunhui shen,
2012-10-24, 01:16
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[HBASE-6336] Split point should not be equal to start row or end row - HBase - [issue]
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...Should we allow split point equal with region's start row or end row?// if the midkey is the same as the first and last keys, then we cannot // (ever) split t...
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http://issues.apache.org/jira/browse/HBASE-6336
Author: chunhui shen,
2012-10-20, 06:00
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[HBASE-6337] [MTTR] Remove renaming tmp log file in SplitLogManager - HBase - [issue]
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...As HBASE-6309 mentioned, we also encounter problem of distributed-log-splitting take much more time than matser-local-log-splitting because lots of SplitLogManager 's renaming operations whe...
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http://issues.apache.org/jira/browse/HBASE-6337
Author: chunhui shen,
2012-10-12, 06:36
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[HBASE-6329] Stopping META regionserver when splitting region could cause daughter region to be assigned twice - HBase - [issue]
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...We found this issue in 0.94, first let me describe the caseļ¼Stop META rs when split is in progress1.Stopping META rs(Server A).2.The main thread of rs close ZK and delete ephemeral node of t...
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http://issues.apache.org/jira/browse/HBASE-6329
Author: chunhui shen,
2012-10-12, 06:36
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[HBASE-6713] Stopping META/ROOT RS may take 50mins when some region is splitting - HBase - [issue]
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...When we stop the RS carrying ROOT/META, if it is in the splitting for some region, the whole stopping process may take 50 mins.The reason is :1.ROOT/META region is closed when stopping the r...
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http://issues.apache.org/jira/browse/HBASE-6713
Author: chunhui shen,
2012-10-05, 11:51
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[HBASE-6228] Fixup daughters twice cause daughter region assigned twice - HBase - [issue]
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...First, how fixup daughters twice happen?1.we will fixupDaughters at the last of HMaster#finishInitialization2.ServerShutdownHandler will fixupDaughters when reassigning region through Server...
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http://issues.apache.org/jira/browse/HBASE-6228
Author: chunhui shen,
2012-10-03, 23:34
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