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https://issues.apache.org/jira/browse/OAK-1034?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13774486#comment-13774486
 ] 

Michael Dürig commented on OAK-1034:
------------------------------------

LinearReadEmpty on MonfoMK:
{code}
Exception in thread "main" java.lang.OutOfMemoryError: GC overhead limit 
exceeded
        at 
org.apache.jackrabbit.mk.json.JsopBuilder.encode(JsopBuilder.java:249)
        at org.apache.jackrabbit.mk.json.JsopBuilder.value(JsopBuilder.java:187)
        at 
org.apache.jackrabbit.mk.json.JsopStream.toString(JsopStream.java:288)
        at 
org.apache.jackrabbit.oak.plugins.mongomk.MongoMK.getNodes(MongoMK.java:882)
        at 
org.apache.jackrabbit.oak.kernel.KernelNodeState.init(KernelNodeState.java:165)
        at 
org.apache.jackrabbit.oak.kernel.KernelNodeState.compareAgainstBaseState(KernelNodeState.java:468)
        at 
org.apache.jackrabbit.oak.plugins.commit.MergingNodeStateDiff.merge(MergingNodeStateDiff.java:70)
        at 
org.apache.jackrabbit.oak.plugins.commit.MergingNodeStateDiff.childNodeChanged(MergingNodeStateDiff.java:92)
        at 
org.apache.jackrabbit.oak.spi.state.AbstractNodeState.compareAgainstBaseState(AbstractNodeState.java:175)
        at 
org.apache.jackrabbit.oak.kernel.KernelNodeState.compareAgainstBaseState(KernelNodeState.java:484)
        at 
org.apache.jackrabbit.oak.plugins.commit.MergingNodeStateDiff.merge(MergingNodeStateDiff.java:70)
        at 
org.apache.jackrabbit.oak.plugins.commit.MergingNodeStateDiff.childNodeChanged(MergingNodeStateDiff.java:92)
        at 
org.apache.jackrabbit.oak.spi.state.AbstractNodeState.compareAgainstBaseState(AbstractNodeState.java:175)
        at 
org.apache.jackrabbit.oak.kernel.KernelNodeState.compareAgainstBaseState(KernelNodeState.java:484)
        at 
org.apache.jackrabbit.oak.plugins.commit.MergingNodeStateDiff.merge(MergingNodeStateDiff.java:70)
        at 
org.apache.jackrabbit.oak.plugins.commit.MergingNodeStateDiff.merge(MergingNodeStateDiff.java:65)
        at 
org.apache.jackrabbit.oak.plugins.commit.ConflictHook.processCommit(ConflictHook.java:50)
        at 
org.apache.jackrabbit.oak.spi.commit.CompositeHook.processCommit(CompositeHook.java:59)
        at 
org.apache.jackrabbit.oak.spi.commit.CompositeHook.processCommit(CompositeHook.java:59)
        at 
org.apache.jackrabbit.oak.kernel.KernelNodeStoreBranch$Persisted.merge(KernelNodeStoreBranch.java:369)
        at 
org.apache.jackrabbit.oak.kernel.KernelNodeStoreBranch.merge(KernelNodeStoreBranch.java:136)
        at 
org.apache.jackrabbit.oak.kernel.KernelRootBuilder.merge(KernelRootBuilder.java:137)
        at 
org.apache.jackrabbit.oak.kernel.KernelNodeStore.merge(KernelNodeStore.java:168)
        at 
org.apache.jackrabbit.oak.core.AbstractRoot.commit(AbstractRoot.java:248)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:295)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl$8.perform(SessionImpl.java:399)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl$8.perform(SessionImpl.java:396)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.perform(SessionDelegate.java:124)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl.perform(SessionImpl.java:117)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl.save(SessionImpl.java:396)
        at 
org.apache.jackrabbit.oak.benchmark.ReadManyTest.beforeSuite(ReadManyTest.java:161)
        at 
org.apache.jackrabbit.oak.benchmark.AbstractTest.setUp(AbstractTest.java:78)
{code}
                
> OOME running Oak banchmark suite
> --------------------------------
>
>                 Key: OAK-1034
>                 URL: https://issues.apache.org/jira/browse/OAK-1034
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>          Components: run
>            Reporter: Michael Dürig
>
> Several of the benchmarks result in an OOME running with {{-Xmx512M}}

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