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From robert engels <reng...@ix.netcom.com>
Subject Re: Memory Leak IndexSearcher
Date Mon, 03 Jul 2006 17:40:40 GMT
Did you try what was suggested? (-Xmx16m) and did you get an OOM? If  
not, there is no memory leak.

On Jul 3, 2006, at 12:33 PM, Bruno Vieira wrote:

> Thanks for the answer, but I have isolated the cycle inside a loop  
> on a
> static void main (String args[]) Class to test this issue.In this  
> case there
> were no classes referencing the IndexSercher and the problem still  
> happened.
>
>
> 2006/7/3, robert engels <rengels@ix.netcom.com>:
>>
>> You may not have a memory leak at all. It could just be garbage
>> waiting to be collected. I am fairly certain there are no "memory
>> leaks" in the current Lucene code base (outside of the ThreadLocal
>> issue).
>>
>> A simple way to verify this would be to add -Xmx16m on the command
>> line. If there were a memory leak then it will eventually fail with
>> an OOM.
>>
>> If there is a memory leak, then it is probably because your code is
>> holding on to IndexReader references in some static var or map.
>>
>>
>> On Jul 3, 2006, at 9:43 AM, Bruno Vieira wrote:
>>
>> > Hi everyone,
>> >
>> > I am working on a project with around 35000 documents (8 text
>> > fields with
>> > 256 chars at most for each field) on lucene. But unfortunately this
>> > index is
>> > updated at every moment and I need that these new items be in the
>> > results of
>> > my search as fast as possible.
>> >
>> > I have an IndexSearcher, then I do a search getting the last 10
>> > results with
>> > ordering by a name field and the memory allocated is 13mb, I  
>> close the
>> > IndexSearcher because the lucene database was updated by and  
>> external
>> > application and I create a new IndexSearcher, do the same search  
>> again
>> > wanting to get the last 10 results with ordering by a name field
>> > and the
>> > memory allocated is 15mb. At every time I do this cycle the memory
>> > increase
>> > in 2mb, so in a moment I have a memory leak.
>> >
>> > If the database is not updated and i do not create a new
>> > IndexSearcher i can
>> > do searches forever without memory leak.
>> >
>> > Why when I close an IndexSearcher (indexSearcher.close();
>> > indexSearcher =
>> > new IndexSearcher("/database/") ;)after some searches with ordering
>> > and open
>> > a new one the memory is not free ?
>> >
>> > Thanks to any suggestions.
>>
>>
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