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Posted to java-user@lucene.apache.org by Otis Gospodnetic <ot...@yahoo.com> on 2009/01/02 21:00:14 UTC
Re: Too many open files
Nuno,
Check towards the end of this article: http://www.onjava.com/pub/a/onjava/2003/03/05/lucene.html
Otis
--
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----- Original Message ----
> From: Nuno Seco <ns...@dei.uc.pt>
> To: java-dev@lucene.apache.org
> Sent: Friday, January 2, 2009 12:53:14 PM
> Subject: Too many open files
>
> Hello.
>
> I'm struggling with the following exception:
>
> Exception in thread "Lucene Merge Thread #1037"
> org.apache.lucene.index.MergePolicy$MergeException:
> java.io.FileNotFoundException:
> /home/plopes/aktwise/server-commons/data/lucenedata/_80c.tii (Too many open
> files)
> at
> org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:309)
>
> at
> org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:286)
>
> Caused by: java.io.FileNotFoundException:
> /home/plopes/aktwise/server-commons/data/lucenedata/_80c.tii (Too many open
> files)
>
>
> I have only one indexwriter instantiated, and every time i update the index (add
> or remove a document), i commit the indexwriter and run the following code in
> order to make the searcher aware of the new documents:
>
> private synchronized void refreshSearcher() throws CorruptIndexException,
> IOException
> {
> try
> {
> IndexReader reader = searcher.getIndexReader().reopen();
> searcher.close();
> searcher = new IndexSearcher(reader);
>
> if (reader != searcher.getIndexReader())
> searcher.getIndexReader().close(); }
> catch (Exception e)
> {
> e.printStackTrace();
> }
>
> }
>
>
> I have tried lowering the merge factor and the number of threads by executing
> the following:
> ((ConcurrentMergeScheduler)writer.getMergeScheduler()).setMaxThreadCount(1);
> writer.setMergeFactor(3);
>
>
> I am using lucene 2.4.0 and there is only one thread manipulating the index.
>
> any help would be appreciated.
>
> Nuno Seco
>
>
>
>
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