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From "Hasan (JIRA)" <j...@apache.org>
Subject [jira] Created: (CLEREZZA-395) bnodes mapping in JenaGraphAdaptor should not keep growing with every parsing of rdf files
Date Thu, 13 Jan 2011 20:08:48 GMT
bnodes mapping in JenaGraphAdaptor should not keep growing with every parsing of rdf files
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                 Key: CLEREZZA-395
                 URL: https://issues.apache.org/jira/browse/CLEREZZA-395
             Project: Clerezza
          Issue Type: Improvement
            Reporter: Hasan


With every parsing of rdf files free memory is getting less.
The problem seems to lie in the JenaGraphAdaptor class
It has a member:
final BidiMap<BNode, Node> tria2JenaBNodes = new BidiMapImpl<BNode, Node>();

which grows each time a serialized graph get parsed.

My experiments with my test data show

At the end of the 1st parsing: Size of tria2JenaBNodes = 87200
At the end of the 2nd parsing: Size of tria2JenaBNodes = 130800
At the end of the 3rd parsing: Size of tria2JenaBNodes = 174400


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