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mutateRowsWithLocks might require updatesLock.readLock with waitTime=0. ( cuijianwei)

This commit is contained in:
Lars Hofhansl 2014-07-31 16:28:51 -07:00
parent 1441ec9c0c
commit 1326d329ee
1 changed files with 1 additions and 1 deletions
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2
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
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@ -4992,7 +4992,7 @@ public class HRegion implements HeapSize { // , Writable{
acquiredRowLocks.add(getRowLock(row)); acquiredRowLocks.add(getRowLock(row));
} }
// 3. Region lock // 3. Region lock
lock(this.updatesLock.readLock(), acquiredRowLocks.size()); lock(this.updatesLock.readLock(), acquiredRowLocks.size() == 0 ? 1 : acquiredRowLocks.size());
locked = true; locked = true;
// Get a mvcc write number // Get a mvcc write number
mvccNum = MultiVersionConsistencyControl.getPreAssignedWriteNumber(this.sequenceId); mvccNum = MultiVersionConsistencyControl.getPreAssignedWriteNumber(this.sequenceId);