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https://issues.apache.org/jira/browse/ASTERIXDB-3400?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Peeyush Gupta resolved ASTERIXDB-3400.
--------------------------------------
Resolution: Fixed
> Possible deadlock in GlobalVirtualBufferCache
> ---------------------------------------------
>
> Key: ASTERIXDB-3400
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-3400
> Project: Apache AsterixDB
> Issue Type: Bug
> Components: IDX - Indexes
> Reporter: Peeyush Gupta
> Assignee: Peeyush Gupta
> Priority: Major
> Labels: triaged
>
> There is a possibility of deadlock while dropping and index and flush
> operation are happening simultaneously. Following show the deadlocked threads
> stack trace
> {noformat}
> "Executor-2784:622b93ec1479bc98eaffbc87b93ca050" [tid=3270 state=BLOCKED
> lock=org.apache.asterix.common.context.PrimaryIndexOperationTracker@2f1ba30a
> lockOwner="SAO:JID:0.807:TAID:TID:ANID:ODID:0:0:39:0" (tid=3314] at
> app//org.apache.asterix.common.context.GlobalVirtualBufferCache.flushed(GlobalVirtualBufferCache.java:184)
> - <locked
> org.apache.asterix.common.context.GlobalVirtualBufferCache@7af81de2> at
> app//org.apache.hyracks.storage.am.lsm.common.impls.AbstractLSMMemoryComponent.flushed(AbstractLSMMemoryComponent.java:349)
> at
> app//org.apache.hyracks.storage.am.lsm.common.impls.LSMHarness.doExitComponents(LSMHarness.java:284)
> at
> app//org.apache.hyracks.storage.am.lsm.common.impls.LSMHarness.exitComponents(LSMHarness.java:360)
> at
> app//org.apache.hyracks.storage.am.lsm.common.impls.LSMHarness.flush(LSMHarness.java:540)
> at
> app//org.apache.hyracks.storage.am.lsm.common.impls.LSMTreeIndexAccessor.flush(LSMTreeIndexAccessor.java:123)
> at
> app//org.apache.hyracks.storage.am.lsm.common.impls.FlushOperation.call(FlushOperation.java:38)
> at
> app//org.apache.hyracks.storage.am.lsm.common.impls.FlushOperation.call(FlushOperation.java:29)
> at
> [email protected]/java.util.concurrent.FutureTask.run(FutureTask.java:264)
> at
> [email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
> at
> [email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
> at [email protected]/java.lang.Thread.run(Thread.java:840)
> "SAO:JID:0.807:TAID:TID:ANID:ODID:0:0:39:0" [tid=3314 state=BLOCKED
> lock=org.apache.asterix.common.context.GlobalVirtualBufferCache@7af81de2
> lockOwner="Executor-2784:622b93ec1479bc98eaffbc87b93ca050" (tid=3270] at
> app//org.apache.asterix.common.context.GlobalVirtualBufferCache.unregister(GlobalVirtualBufferCache.java:143)
> at
> app//org.apache.hyracks.storage.am.lsm.common.impls.AbstractLSMMemoryComponent.deallocate(AbstractLSMMemoryComponent.java:308)
> at
> app//org.apache.hyracks.storage.am.lsm.common.impls.AbstractLSMIndex.deallocateMemoryComponents(AbstractLSMIndex.java:264)
> at
> app//org.apache.hyracks.storage.am.lsm.common.impls.AbstractLSMIndex.deactivate(AbstractLSMIndex.java:244)
> - <locked
> org.apache.hyracks.storage.am.lsm.btree.column.impls.lsm.LSMColumnBTree@6f64ebfe>
> at
> app//org.apache.asterix.common.context.DatasetLifecycleManager.closeIndex(DatasetLifecycleManager.java:631)
> - <locked
> org.apache.asterix.common.context.PrimaryIndexOperationTracker@2f1ba30a>
> at
> app//org.apache.asterix.common.context.DatasetLifecycleManager.unregister(DatasetLifecycleManager.java:171)
> - <locked
> org.apache.asterix.common.context.DatasetLifecycleManager@3e63567b> at
> app//org.apache.hyracks.storage.am.common.dataflow.IndexDataflowHelper.destroy(IndexDataflowHelper.java:96)
> - <locked
> org.apache.asterix.common.context.DatasetLifecycleManager@3e63567b> at
> app//org.apache.hyracks.storage.am.common.dataflow.IndexDropOperatorNodePushable.dropIndex(IndexDropOperatorNodePushable.java:90)
> at
> app//org.apache.hyracks.storage.am.common.dataflow.IndexDropOperatorNodePushable.initialize(IndexDropOperatorNodePushable.java:78)
> at
> app//org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable$$Lambda$1682/0x0000000800943f20.run(Unknown
> Source) at
> app//org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable.lambda$runInParallel$0(SuperActivityOperatorNodePushable.java:233)
> at
> app//org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable$$Lambda$1686/0x00000008009449c8.call(Unknown
> Source) at
> [email protected]/java.util.concurrent.FutureTask.run(FutureTask.java:264)
> at
> [email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
> at
> [email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
> at [email protected]/java.lang.Thread.run(Thread.java:840){noformat}
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