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List:       lucene-user
Subject:    Re: Throughput doesn't increase when using more concurrent threads
From:       Peter Keegan <peterlkeegan () gmail ! com>
Date:       2006-01-30 14:15:27
Message-ID: e994873a0601300615p5f46dab6qfb4b4504bfb2bd7f () mail ! gmail ! com
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I cranked up the dial on my query tester and was able to get the rate up to
325 qps. Unfortunately, the machine died shortly thereafter (memory errors
:-( ) Hopefully, it was just a coincidence. I haven't measured 64-bit
indexing speed, yet.

Peter

On 1/29/06, Daniel Noll <daniel@nuix.com.au> wrote:
>
> Peter Keegan wrote:
> > I tried the AMD64-bit JVM from Sun and with MMapDirectory and I'm now
> > getting 250 queries/sec and excellent cpu utilization (equal concurrenc=
y
> on
> > all cpus)!! Yonik, thanks for the pointer to the 64-bit jvm. I wasn't
> aware
> > of it.
> >
> Wow.  That's fast.
>
> Out of interest, does indexing time speed up much on 64-bit hardware?
> I'm particularly interested in this side of things because for our own
> application, any query response under half a second is good enough, but
> the indexing side could always be faster. :-)
>
> Daniel
>
> --
> Daniel Noll
>
> Nuix Australia Pty Ltd
> Suite 79, 89 Jones St, Ultimo NSW 2007, Australia
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> Fax:   (02) 9212 6902
>
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