I tried setting using
export JAVA_OPTS ="-Xms32768m -Xmx32768m"

the maximum heap size to 32 GB. Still I am getting the same error.  I am
not able to understand as to where am I making the error?


On Sat, Dec 21, 2013 at 6:09 AM, Rose Beck <[email protected]> wrote:

> Hi,
>
> I am trying to load dbpedia in n-quads form (from BTC-2012 dataset). I am
> using apache-jena-2.10.0. And for loading I used the following command (in
> ubuntu 12.04 server, with :
> $ cd apache-jena-2.10.0
> $
> ./bin/tdbloader
> --loc=/home/
> jenaDbpedia -v /home/jyotil/dbpedia.nq
>
> However, after loading a significant number of quads I am getting the
> following error:
> exception in thread main gc overhead limit exceeded?
>          at
> com.hp.hpl.jena.tdb.index.bplustree.BPTreeNode.get(BPTreeNode.java:154)
>         at
> com.hp.hpl.jena.tdb.index.bplustree.BPTreeNode.internalInsert(BPTreeNode.java:447)
>         at
> com.hp.hpl.jena.tdb.index.bplustree.BPTreeNode.insert(BPTreeNode.java:212)
>         at
> com.hp.hpl.jena.tdb.index.bplustree.BPlusTree.addAndReturnOld(BPlusTree.java:328)
>         at
> com.hp.hpl.jena.tdb.index.bplustree.BPlusTree.add(BPlusTree.java:320)
>         at
> com.hp.hpl.jena.tdb.index.TupleIndexRecord.performAdd(TupleIndexRecord.java:60)
>         at
> com.hp.hpl.jena.tdb.index.TupleIndexBase.add(TupleIndexBase.java:64)
>         at com.hp.hpl.jena.tdb.index.TupleTable.add(TupleTable.java:96)
>         at
> com.hp.hpl.jena.tdb.nodetable.NodeTupleTableConcrete.addRow(NodeTupleTableConcrete.java:87)
>         at
> com.hp.hpl.jena.tdb.store.bulkloader.LoaderNodeTupleTable.load(LoaderNodeTupleTable.java:110)
>         at
> com.hp.hpl.jena.tdb.store.bulkloader.BulkLoader$DestinationDSG.process(BulkLoader.java:265)
>         at
> com.hp.hpl.jena.tdb.store.bulkloader.BulkLoader$DestinationDSG.quad(BulkLoader.java:257)
>         at
> org.apache.jena.riot.lang.LangNQuads.runParser(LangNQuads.java:56)
>         at org.apache.jena.riot.lang.LangBase.parse(LangBase.java:42)
>         at org.apache.jena.riot.RiotReader.parse(RiotReader.java:116)
>         at org.apache.jena.riot.RiotReader.parse(RiotReader.java:93)
>         at org.apache.jena.riot.RiotReader.parse(RiotReader.java:66)
>         at
> com.hp.hpl.jena.tdb.store.bulkloader.BulkLoader.loadQuads$(BulkLoader.java:160)
>         at
> com.hp.hpl.jena.tdb.store.bulkloader.BulkLoader.loadDataset(BulkLoader.java:121)
>         at com.hp.hpl.jena.tdb.TDBLoader.loadDataset$(TDBLoader.java:284)
>         at com.hp.hpl.jena.tdb.TDBLoader.loadDataset(TDBLoader.java:197)
>         at com.hp.hpl.jena.tdb.TDBLoader.load(TDBLoader.java:76)
>
>
> Can someone please help me as to where am I going wrong?
>
>
>

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