I'm experiencing a memory leak which I think I've traced to Query.rewrite().
I've attached a test case: when I run it, I see resident memory size
increasing (monitored with top), and "jmap -histo:live <pid>" from
a sample run shows the following top allocations:
num #instances #bytes class name
----------------------------------------------
1: 200640 8025600 java.lang.String
2: 200684 6525304 [C
3: 197900 6332800 org.apache.lucene.index.Term
4: 197900 6332800 org.apache.lucene.search.TermQuery
(I've noticed that TermQuery.rewrite() just returns "this".)
I'm running Ubuntu Hardy linux x86-64, java -showversion:
java version "1.6.0_0"
OpenJDK Runtime Environment (build 1.6.0_0-b11)
OpenJDK 64-Bit Server VM (build 1.6.0_0-b11, mixed mode)
and pylucene r475 (locally built).
Does this reproduce for anyone?
Thanks,
Aaron Lav ([EMAIL PROTECTED])
import lucene
import sys
import os
def getReader(analyzer):
store = lucene.RAMDirectory()
writer = lucene.IndexWriter(store, analyzer, True)
writer.close()
return lucene.IndexSearcher(store).getIndexReader()
if __name__ == '__main__':
env = lucene.initVM(classpath=lucene.CLASSPATH)
analyzer = lucene.StandardAnalyzer()
reader = getReader(analyzer)
count = 0
while 1:
base_query = lucene.TermQuery(lucene.Term('all', 'foo'))
new_query = base_query.rewrite(reader)
count += 1
if not count % 100:
lucene.System.gc()
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