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Duo Zhang reopened HBASE-27152: ------------------------------- This breaks several UTs. Revert for now. [~Xiaolin Ha] Please see the TestCompaction.testCompactionQueuePriorities. > Under compaction mark may leak > ------------------------------ > > Key: HBASE-27152 > URL: https://issues.apache.org/jira/browse/HBASE-27152 > Project: HBase > Issue Type: Bug > Components: Compaction > Affects Versions: 3.0.0-alpha-2, 2.4.12 > Reporter: Xiaolin Ha > Assignee: Xiaolin Ha > Priority: Major > Fix For: 2.5.0, 3.0.0-alpha-4 > > > HBASE-26249 introduced an under compaction mark to reduce repeatedly > compactions for the same stores for a short period of time after bulk loading > files. > Since the mark adding and removing are in difference threads, > {code:java} > pool.execute( > new CompactionRunner(store, region, compaction, tracker, completeTracker, > pool, user)); > if (LOG.isDebugEnabled()) { > LOG.debug( > "Add compact mark for store {}, priority={}, current under compaction " > + "store size is {}", > getStoreNameForUnderCompaction(store), priority, > underCompactionStores.size()); > } > underCompactionStores.add(getStoreNameForUnderCompaction(store)); {code} > it happens that the concurrently of thread-1 using > underCompactionStores.add() and thread-2 which running a CompactionRunner > that using underCompactionStores.remove(). If the removing happens before > adding, the mark will leak. -- This message was sent by Atlassian Jira (v8.20.10#820010)