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Posted to oak-issues@jackrabbit.apache.org by "Michael Dürig (JIRA)" <ji...@apache.org> on 2013/02/28 12:33:13 UTC
[jira] [Resolved] (OAK-548) Moving larger trees cause
OutOfMemoryError
[ https://issues.apache.org/jira/browse/OAK-548?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Dürig resolved OAK-548.
-------------------------------
Resolution: Fixed
Fix Version/s: 0.7
Assignee: Michael Dürig
Fixed at revision 1441469
> Moving larger trees cause OutOfMemoryError
> ------------------------------------------
>
> Key: OAK-548
> URL: https://issues.apache.org/jira/browse/OAK-548
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: core, mk
> Reporter: Michael Dürig
> Assignee: Michael Dürig
> Fix For: 0.7
>
> Attachments: oak-548.patch
>
>
> {{LargeMoveTest.moveTest}} test runs out of heap space when moving roughly 100000 nodes (128M heap):
> {code}
> java.lang.OutOfMemoryError: Java heap space
> at java.util.Arrays.copyOf(Arrays.java:2786)
> at java.lang.StringCoding.safeTrim(StringCoding.java:64)
> at java.lang.StringCoding.access$300(StringCoding.java:34)
> at java.lang.StringCoding$StringEncoder.encode(StringCoding.java:251)
> at java.lang.StringCoding.encode(StringCoding.java:272)
> at java.lang.String.getBytes(String.java:946)
> at org.apache.jackrabbit.mk.util.IOUtils.writeString(IOUtils.java:84)
> at org.apache.jackrabbit.mk.store.BinaryBinding.writeMap(BinaryBinding.java:98)
> at org.apache.jackrabbit.mk.model.ChildNodeEntriesMap.serialize(ChildNodeEntriesMap.java:196)
> at org.apache.jackrabbit.mk.model.AbstractNode.serialize(AbstractNode.java:169)
> at org.apache.jackrabbit.mk.persistence.InMemPersistence.writeNode(InMemPersistence.java:76)
> at org.apache.jackrabbit.mk.store.DefaultRevisionStore.putNode(DefaultRevisionStore.java:276)
> at org.apache.jackrabbit.mk.model.StagedNodeTree$StagedNode.persist(StagedNodeTree.java:568)
> at org.apache.jackrabbit.mk.model.StagedNodeTree$StagedNode.persist(StagedNodeTree.java:563)
> at org.apache.jackrabbit.mk.model.StagedNodeTree$StagedNode.persist(StagedNodeTree.java:563)
> at org.apache.jackrabbit.mk.model.StagedNodeTree$StagedNode.persist(StagedNodeTree.java:563)
> at org.apache.jackrabbit.mk.model.StagedNodeTree$StagedNode.persist(StagedNodeTree.java:563)
> at org.apache.jackrabbit.mk.model.StagedNodeTree$StagedNode.persist(StagedNodeTree.java:563)
> at org.apache.jackrabbit.mk.model.StagedNodeTree$StagedNode.persist(StagedNodeTree.java:563)
> at org.apache.jackrabbit.mk.model.StagedNodeTree.persist(StagedNodeTree.java:80)
> at org.apache.jackrabbit.mk.model.CommitBuilder.doCommit(CommitBuilder.java:126)
> at org.apache.jackrabbit.mk.model.CommitBuilder.doCommit(CommitBuilder.java:94)
> at org.apache.jackrabbit.mk.core.MicroKernelImpl.commit(MicroKernelImpl.java:496)
> at org.apache.jackrabbit.oak.kernel.KernelNodeStoreBranch.commit(KernelNodeStoreBranch.java:178)
> at org.apache.jackrabbit.oak.kernel.KernelNodeStoreBranch.setRoot(KernelNodeStoreBranch.java:78)
> at org.apache.jackrabbit.oak.core.RootImpl.purgePendingChanges(RootImpl.java:355)
> at org.apache.jackrabbit.oak.core.RootImpl.commit(RootImpl.java:234)
> at org.apache.jackrabbit.oak.core.LargeMoveTest.moveTest(LargeMoveTest.java:78)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> {code}
> This is caused by the inefficient rebase implementation in oak-core as discussed at length in OAK-464.
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