essage-
> From: Vladimir Kotal [mailto:vladimir.ko...@oracle.com]
> Sent: Thursday, July 21, 2016 7:34 PM
> To: java-user@lucene.apache.org
> Subject: Re: MmapDirectory and IndexReader reuse
>
> On 07/18/16 05:52 PM, Uwe Schindler wrote:
> > Hi,
> >
> > Have a
On 07/21/16 20:18, Michael McCandless wrote:
Can't you pass your own SearcherFactory to SearcherManager to do that?
Aha ! That should be possible, thanks.
v.
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Can't you pass your own SearcherFactory to SearcherManager to do that?
Mike McCandless
http://blog.mikemccandless.com
On Thu, Jul 21, 2016 at 1:34 PM, Vladimir Kotal
wrote:
> On 07/18/16 05:52 PM, Uwe Schindler wrote:
>
>> Hi,
>>
>> Have a separate searcher manager for every directory. On ever
On 07/18/16 05:52 PM, Uwe Schindler wrote:
Hi,
Have a separate searcher manager for every directory. On every incoming search
request, fetch the actual DirectoryReaders from the searcher managers and build
a MultiReader from it. This costs nothing, as MultiReader is just a thin
wrapper where
://www.thetaphi.de
eMail: u...@thetaphi.de
> -Original Message-
> From: Vladimir Kotal [mailto:vladimir.ko...@oracle.com]
> Sent: Monday, July 18, 2016 5:00 PM
> To: java-user@lucene.apache.org
> Subject: Re: MmapDirectory and IndexReader reuse
>
> On 07/15/16 12:00 PM, Uwe Sc
On 07/15/16 12:00 PM, Uwe Schindler wrote:
Hi,
You should keep the IndexReader open for the whole time! Otherwise there are
more bottlenecks and slowdowns.
If you are updating the Index, you should use SearcherManager that reopens the index
reader accordingly. After updating the index you sho
r Kotal [mailto:vladimir.ko...@oracle.com]
> Sent: Friday, July 15, 2016 11:49 AM
> To: java-user@lucene.apache.org
> Subject: MmapDirectory and IndexReader reuse
>
>
> Hi all,
>
> when trying to identify bottlenecks in our application, I found that
> each search which involve
Hi all,
when trying to identify bottlenecks in our application, I found that
each search which involves multiple indexes is performing lots of
mmap()/open() syscalls. This is a natural consequence of using
MmapDirectory. So even if file system caches are properly warmed, this
might add coupl
