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From "Bill Au" <bill.w...@gmail.com>
Subject Re: open file descriptors for deleted index files
Date Tue, 04 Sep 2007 20:13:24 GMT
Closing old IndexSearcher should take care of this problem for you.  Take a
look at Solr.
It opens a new IndexSearcher and direct all requests to the new one.  It
then closes the old
IndexSearcher when all the requests that it is serving has completed.

Bill

On 9/4/07, Tony Qian <tonyqian@hotmail.com> wrote:
>
> All,
>
> I'm facing an issue in which the file descriptors are not closed for
> deleted
> index files. I searched mailing list and didn't find the solution. Here is
> some info:
>
> java      21488     wppd  139r      REG        8,7 152456865     571208
> /data/index/_idx.cfs (deleted)
> java      21488     wppd  140r      REG        8,7 152501356     571211
> /data/index/_idz.cfs (deleted)
> java      21488     wppd  141r      REG        8,7 152516369     571210
> /data/index/_ie1.cfs (deleted)
> java      21488     wppd  142r      REG        8,7 152543537     571213
> /data/index/_ie3.cfs (deleted)
> java      21488     wppd  143r      REG        8,7 152555274     571212
> /data/index/_ie5.cfs (deleted)
> java      21488     wppd  144r      REG        8,7 152593068     571215
> /data/index/_ie7.cfs (deleted)
> java      21488     wppd  145r      REG        8,7 152625253     571214
> /data/index/_ie9.cfs (deleted)
>
> We run a servlet inside Tomcat. We transfer index files to search server
> every 5 minutes using rsync with --delete option. Also, we schedule a
> TimeTask inside servlet to check if index files are updated. If yes,
> create
> a new IndexSearcher object and assign it to searcher (IndexSearcher). I
> hope
> JVM will GC old IndexSearcher object along with file descriptors.
>
> Will closing old IndexSearcher solve this problem? The concern I have by
> closing old IndexSearcher is that the client will get exception if client
> is
> using old IndexSearcher object.
>
> Thanks for help.
> Tony
>
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