orientechnologies / orientechnologies/orientdb

OrientDB live lock thread in collection.size

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#9,396 5 comments 0 reactions 1 assignee View on GitHub

@luigidellaquila is already working on this.

Since Dec 21, 2020.

performance
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Java
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Description

OrientDB Version: 3.0.34
Java Version: 1.8
OS: Linux

Expected behavior

Threads don't live lock and consume all cpu

Actual behavior

This thread is live locked consuming 100% CPU with this stack. I've also attached the full thread dump
orient-server-boot.txt

"OrientDB (/172.25.1.18:2424) <- BinaryClient (/172.25.5.171:54870)" #1663 daemon prio=5 os_prio=0 tid=0x00007f8de40a4800 nid=0x53e8 runnable [0x00007f8dee3dd000]
java.lang.Thread.State: RUNNABLE
at java.util.Collections$UnmodifiableCollection.size(Collections.java:1032)
at com.orientechnologies.orient.core.tx.OTransactionRealAbstract.isIndexKeyMayDependOnRid(OTransactionRealAbstract.java:503)
at com.orientechnologies.orient.core.tx.OTransactionRealAbstract.updateIdentityAfterCommit(OTransactionRealAbstract.java:338)
at com.orientechnologies.orient.core.storage.impl.local.OAbstractPaginatedStorage.commit(OAbstractPaginatedStorage.java:2651)
at com.orientechnologies.orient.core.storage.impl.local.OAbstractPaginatedStorage.commit(OAbstractPaginatedStorage.java:2489)
at com.orientechnologies.orient.core.db.document.ODatabaseDocumentAbstract.internalCommit(ODatabaseDocumentAbstract.java:2757)
at com.orientechnologies.orient.core.tx.OTransactionOptimistic.doCommit(OTransactionOptimistic.java:533)
at com.orientechnologies.orient.core.tx.OTransactionOptimistic.commit(OTransactionOptimistic.java:103)
at com.orientechnologies.orient.core.db.document.ODatabaseDocumentAbstract.commit(ODatabaseDocumentAbstract.java:2238)
at com.orientechnologies.orient.core.db.document.ODatabaseDocumentAbstract.commit(ODatabaseDocumentAbstract.java:2208)
at com.orientechnologies.orient.core.sql.parser.OCommitStatement.executeSimple(OCommitStatement.java:30)
at com.orientechnologies.orient.core.sql.executor.OSingleOpExecutionPlan.executeInternal(OSingleOpExecutionPlan.java:99)
at com.orientechnologies.orient.core.sql.executor.ScriptLineStep.syncPull(ScriptLineStep.java:37)
at com.orientechnologies.orient.core.sql.executor.OScriptExecutionPlan.doExecute(OScriptExecutionPlan.java:89)
at com.orientechnologies.orient.core.sql.executor.OScriptExecutionPlan.fetchNext(OScriptExecutionPlan.java:50)
at com.orientechnologies.orient.core.sql.parser.OLocalResultSet.fetchNext(OLocalResultSet.java:39)
at com.orientechnologies.orient.core.sql.parser.OLocalResultSet.(OLocalResultSet.java:30)
at com.orientechnologies.orient.core.command.OSqlScriptExecutor.executeInternal(OSqlScriptExecutor.java:114)
at com.orientechnologies.orient.core.command.OSqlScriptExecutor.execute(OSqlScriptExecutor.java:60)
at com.orientechnologies.orient.core.db.document.ODatabaseDocumentEmbedded.execute(ODatabaseDocumentEmbedded.java:638)
at com.orientechnologies.orient.server.OConnectionBinaryExecutor.executeQuery(OConnectionBinaryExecutor.java:1192)
at com.orientechnologies.orient.client.remote.message.OQueryRequest.execute(OQueryRequest.java:136)
at com.orientechnologies.orient.server.network.protocol.binary.ONetworkProtocolBinary.sessionRequest(ONetworkProtocolBinary.java:320)
at com.orientechnologies.orient.server.network.protocol.binary.ONetworkProtocolBinary.execute(ONetworkProtocolBinary.java:215)
at com.orientechnologies.common.thread.OSoftThread.run(OSoftThread.java:69)

Steps to reproduce

I'm upserting in OrientDB using multiple threads with remote binary connections.

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