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https://issues.apache.org/jira/browse/OAK-8204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16829176#comment-16829176
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Marcel Reutegger commented on OAK-8204:
---------------------------------------
I'm not able to reproduce with a the following code:
{noformat}
@Test
public void addNodes() throws Exception {
File testFile = new File("dummy.pdf");
DocumentNodeStore ns = newMongoDocumentNodeStoreBuilder()
.setMongoDB("mongodb://localhost:27017/oak", "oak", 0)
.build();
Repository repo = new Jcr(new Oak(ns)).createRepository();
Session session = repo.login(new SimpleCredentials("admin",
"admin".toCharArray()));
String folderName=null;
String docName=null;
Node root = session.getRootNode();
for(int i=1;i<=10;i++){
folderName="J"+i;
if (root.hasNode(folderName)) {
throw new Exception(folderName + " node is exist!");
}
Node node = root.addNode(folderName, JcrConstants.NT_FOLDER);
session.save();
System.out.println("====create folder "+folderName+" success===");
for(int j=1;j<=200000;j++){
docName=folderName+"_"+j+".pdf";
Node docNode = JcrUtils.putFile(node, docName,
"application/pdf", new FileInputStream(testFile));
session.save();
System.out.println("Created " + docNode.getPath());
}
}
}
{noformat}
Can you please check if there's a memory leak in the code you omitted after
{{// add content node}}? You may also want to create a heap dump when the JVM
goes out of memory and analyze the dump.
> OutOfMemoryError: create nodes
> ------------------------------
>
> Key: OAK-8204
> URL: https://issues.apache.org/jira/browse/OAK-8204
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: core
> Affects Versions: 1.10.2
> Reporter: zhouxu
> Priority: Major
>
> Exception in thread "main" java.lang.OutOfMemoryError: GC overhead limit
> exceede
> d
> at java.lang.AbstractStringBuilder.<init>(AbstractStringBuilder.java:68)
> at java.lang.StringBuilder.<init>(StringBuilder.java:101)
> at org.apache.jackrabbit.oak.commons.PathUtils.concat(PathUtils.java:318
> )
> at org.apache.jackrabbit.oak.plugins.document.DocumentNodeState.getChild
> NodeDoc(DocumentNodeState.java:507)
> at org.apache.jackrabbit.oak.plugins.document.DocumentNodeState.hasChild
> Node(DocumentNodeState.java:256)
> at org.apache.jackrabbit.oak.plugins.memory.MutableNodeState.setChildNod
> e(MutableNodeState.java:111)
> at org.apache.jackrabbit.oak.plugins.memory.MemoryNodeBuilder.setChildNo
> de(MemoryNodeBuilder.java:343)
> at org.apache.jackrabbit.oak.plugins.document.AbstractDocumentNodeBuilde
> r.setChildNode(AbstractDocumentNodeBuilder.java:56)
> at org.apache.jackrabbit.oak.spi.state.ApplyDiff.childNodeAdded(ApplyDif
> f.java:80)
> at org.apache.jackrabbit.oak.plugins.memory.ModifiedNodeState.compareAga
> instBaseState(ModifiedNodeState.java:412)
> at org.apache.jackrabbit.oak.spi.state.ApplyDiff.childNodeChanged(ApplyD
> iff.java:87)
> at org.apache.jackrabbit.oak.plugins.memory.ModifiedNodeState.compareAga
> instBaseState(ModifiedNodeState.java:416)
> at org.apache.jackrabbit.oak.spi.state.ApplyDiff.childNodeChanged(ApplyD
> iff.java:87)
> at org.apache.jackrabbit.oak.plugins.memory.ModifiedNodeState.compareAga
> instBaseState(ModifiedNodeState.java:416)
> at org.apache.jackrabbit.oak.spi.state.ApplyDiff.childNodeChanged(ApplyD
> iff.java:87)
> at org.apache.jackrabbit.oak.plugins.memory.ModifiedNodeState.compareAga
> instBaseState(ModifiedNodeState.java:416)
> at org.apache.jackrabbit.oak.plugins.document.ModifiedDocumentNodeState.
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