8:55 a.m.
One of the intentions with TitanDb was to avoid heap issues because I thought it would be
flushing to disk. Why is it keeping it in memory like that?
Sent from my iPhone
On Dec 23, 2015, at 9:37 AM, Jess Sightler
<jsightle(a)redhat.com> wrote:
Extremely large apps may require additional memory. I assume that the
default for your machine is 4GB of heap?
I'd suggest running it with MAX_MEMORY set to 8192m.
> On 12/23/2015 07:34 AM, Ondrej Zizka wrote:
> FYI, I saw this when running with our largest app:
>
> [415/420] PostFinalizePhase - RenderRuleProviderReportRuleProvider -
> RenderRuleProviderReportRuleProvider_1
> Windup report created: /tmp/Windup/resAgent/index.html
> Access it at this URL: file:///tmp/Windup/resAgent/index.html
> Windup Execution failed due to: Could not execute operation due to
> backend exception
> com.thinkaurelius.titan.core.TitanException: Could not execute operation
> due to backend exception
> at
>
com.thinkaurelius.titan.diskstorage.util.BackendOperation.execute(BackendOperation.java:44)
> at
>
com.thinkaurelius.titan.diskstorage.util.BackendOperation.execute(BackendOperation.java:144)
> at
>
com.thinkaurelius.titan.diskstorage.configuration.backend.KCVSConfiguration.set(KCVSConfiguration.java:145)
> at
>
com.thinkaurelius.titan.diskstorage.configuration.backend.KCVSConfiguration.set(KCVSConfiguration.java:122)
> at
>
com.thinkaurelius.titan.diskstorage.configuration.backend.KCVSConfiguration.remove(KCVSConfiguration.java:163)
> at
>
com.thinkaurelius.titan.diskstorage.configuration.ModifiableConfiguration.remove(ModifiableConfiguration.java:42)
> at
>
com.thinkaurelius.titan.graphdb.database.StandardTitanGraph.shutdownInternal(StandardTitanGraph.java:169)
> at
>
com.thinkaurelius.titan.graphdb.database.StandardTitanGraph.shutdown(StandardTitanGraph.java:158)
> at
> org.jboss.windup.graph.GraphContextImpl.close(GraphContextImpl.java:320)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
>
org.jboss.forge.furnace.proxy.ClassLoaderAdapterCallback$2.call(ClassLoaderAdapterCallback.java:123)
> at
> org.jboss.forge.furnace.util.ClassLoaders.executeIn(ClassLoaders.java:42)
> at
>
org.jboss.forge.furnace.proxy.ClassLoaderAdapterCallback.invoke(ClassLoaderAdapterCallback.java:96)
> at
>
org.jboss.windup.graph.GraphContext_$$_javassist_1bc69704-4043-4e9b-9f41-25ae779ad2b3.close(GraphContext_$$_javassist_1bc69704-4043-4e9b-9f41-25ae779ad2b3.java)
> at
>
org.jboss.windup.bootstrap.commands.windup.RunWindupCommand.runWindup(RunWindupCommand.java:259)
> at
>
org.jboss.windup.bootstrap.commands.windup.RunWindupCommand.execute(RunWindupCommand.java:68)
> at
> org.jboss.windup.bootstrap.Bootstrap.executePhase(Bootstrap.java:305)
> at org.jboss.windup.bootstrap.Bootstrap.run(Bootstrap.java:171)
> at org.jboss.windup.bootstrap.Bootstrap.main(Bootstrap.java:97)
> Caused by:
> com.thinkaurelius.titan.diskstorage.PermanentBackendException: Could not
> start BerkeleyJE transaction
> at
>
com.thinkaurelius.titan.diskstorage.berkeleyje.BerkeleyJEStoreManager.beginTransaction(BerkeleyJEStoreManager.java:144)
> at
>
com.thinkaurelius.titan.diskstorage.berkeleyje.BerkeleyJEStoreManager.beginTransaction(BerkeleyJEStoreManager.java:34)
> at
>
com.thinkaurelius.titan.diskstorage.keycolumnvalue.keyvalue.OrderedKeyValueStoreManagerAdapter.beginTransaction(OrderedKeyValueStoreManagerAdapter.java:52)
> at
> com.thinkaurelius.titan.diskstorage.Backend$2.openTx(Backend.java:270)
> at
>
com.thinkaurelius.titan.diskstorage.util.BackendOperation.execute(BackendOperation.java:131)
> at
>
com.thinkaurelius.titan.diskstorage.util.BackendOperation$1.call(BackendOperation.java:147)
> at
>
com.thinkaurelius.titan.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:56)
> at
>
com.thinkaurelius.titan.diskstorage.util.BackendOperation.execute(BackendOperation.java:42)
> ... 21 more
> Caused by: com.sleepycat.je.EnvironmentFailureException: (JE 5.0.73)
> Environment must be closed, caused by:
> com.sleepycat.je.EnvironmentFailureException: Environment invalid
> because of previous exception: (JE 5.0.73)
> /tmp/Windup/resAgent/graph/titangraph java.lang.OutOfMemoryError: GC
> overhead limit exceeded UNCAUGHT_EXCEPTION: Uncaught Exception in
> internal thread, unable to continue. Environment is invalid and must be
> closed.
> at
>
com.sleepycat.je.EnvironmentFailureException.wrapSelf(EnvironmentFailureException.java:196)
> at
> com.sleepycat.je.dbi.EnvironmentImpl.checkIfInvalid(EnvironmentImpl.java:1512)
> at com.sleepycat.je.Environment.checkEnv(Environment.java:2185)
> at
> com.sleepycat.je.Environment.beginTransactionInternal(Environment.java:1313)
> at
> com.sleepycat.je.Environment.beginTransaction(Environment.java:1284)
> at
>
com.thinkaurelius.titan.diskstorage.berkeleyje.BerkeleyJEStoreManager.beginTransaction(BerkeleyJEStoreManager.java:134)
> ... 28 more
> Caused by: com.sleepycat.je.EnvironmentFailureException: Environment
> invalid because of previous exception: (JE 5.0.73)
> /tmp/Windup/resAgent/graph/titangraph java.lang.OutOfMemoryError: GC
> overhead limit exceeded UNCAUGHT_EXCEPTION: Uncaught Exception in
> internal thread, unable to continue. Environment is invalid and must be
> closed.
> at
>
com.sleepycat.je.utilint.StoppableThread$UncaughtHandler.uncaughtException(StoppableThread.java:219)
> at java.lang.Thread.dispatchUncaughtException(Thread.java:1986)
> Caused by: java.lang.OutOfMemoryError: GC overhead limit exceeded
> at java.util.HashMap.createEntry(HashMap.java:897)
> at java.util.HashMap.addEntry(HashMap.java:884)
> at java.util.HashMap.put(HashMap.java:505)
> at java.util.HashSet.add(HashSet.java:217)
> at com.sleepycat.je.utilint.TinyHashSet.add(TinyHashSet.java:93)
> at com.sleepycat.je.tree.BIN.addCursor(BIN.java:445)
> at com.sleepycat.je.dbi.CursorImpl.addCursor(CursorImpl.java:494)
> at
> com.sleepycat.je.dbi.CursorImpl.searchAndPosition(CursorImpl.java:2106)
> at
> com.sleepycat.je.dbi.CursorImpl.searchAndPosition(CursorImpl.java:2020)
> at com.sleepycat.je.dbi.DbTree.getDb(DbTree.java:1543)
> at com.sleepycat.je.dbi.DbTree.getDb(DbTree.java:1494)
> at
> com.sleepycat.je.evictor.PrivateEvictor$1.getDb(PrivateEvictor.java:61)
> at com.sleepycat.je.evictor.Evictor.evictBatch(Evictor.java:645)
> at com.sleepycat.je.evictor.Evictor.doEvict(Evictor.java:548)
> at
> com.sleepycat.je.evictor.Evictor$BackgroundEvictTask.run(Evictor.java:1241)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
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