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From "Alex Karasulu" <akaras...@apache.org>
Subject Re: [Performance] 1.5 versus 1.0
Date Wed, 14 Mar 2007 15:10:29 GMT
This is wicked cool ... hurry up and commit the darn BigInteger -> Long
replacement :).

Thanks E!
Alex

On 3/13/07, Emmanuel Lecharny <elecharny@gmail.com> wrote:
>
> Hi guys,
>
> this is the first time I do some tests against ADS 1.5. The results are
> quite interesting. Here are the very first comment I can make :
>
> 1) The best result I can get is around 160 random search requests per
> second (sun JVM, not frankly the fastest one ..., 10K entries, 10K
> random searches). FYI, 1.0 was able to deliver 215 req/s back in
> october, on my laptop
> 2) 1.5 using Long instead of BigInteger is much faster, 225 req/s, which
> is slightly faster than ADS 1.0
>
> Don't be afraid : a *lot* of things has been added in 1.5, without any
> performance improvment being introduced so far. This test was not done
> to see if ADS 1.5 was good or bad, but to see what can be the difference
> if the backend stores Long instead of BigInteger for indices. And so
> far, the result is impressive : 40% improvment !
>
> I'm just begging about introducing this change in 1.0 to see how faster
> the server will be now ;)
>
> Ok, now, we have a lot of fat and nasty bugs to fix in 1.5, so
> performance tests are postponed until we release the 1.5.0 version,
> soon. Then we will try to improve the beast. (make it work first, then
> make it go faster)
>
> Emmanuel
>

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