Vitaly Funstein [vfunst...@gmail.com] wrote:
> It's a bit of a guess on my part, but I did get better write and search
> performance with size <= 2K, as opposed to the default 16K.
For search that sounds plausible as that is very random access heavy and the
disk cache will contain a larger amount
.
-- Jack Krupansky
-Original Message-
From: Adrien Grand
Sent: Friday, April 4, 2014 4:50 PM
To: java-user@lucene.apache.org
Subject: Re: Stored fields and OS file caching
Hi Vitaly,
Doc values are indeed well-suited for grouping and sorting. However
stored fields remain better at returning
sults, DocValues are of no use.
> >>
> >> Uwe
> >>
> >> -
> >> Uwe Schindler
> >> H.-H.-Meier-Allee 63, D-28213 Bremen
> >> http://www.thetaphi.de
> >> eMail: u...@thetaphi.de
> >>
> >>
> >> > -Or
emen
>> http://www.thetaphi.de
>> eMail: u...@thetaphi.de
>>
>>
>> > -Original Message-
>> > From: Vitaly Funstein [mailto:vfunst...@gmail.com]
>> > Sent: Friday, April 04, 2014 9:44 PM
>> > To: java-user@lucene.apache.org
>> &g
Bremen
> http://www.thetaphi.de
> eMail: u...@thetaphi.de
>
>
> > -Original Message-
> > From: Vitaly Funstein [mailto:vfunst...@gmail.com]
> > Sent: Friday, April 04, 2014 9:44 PM
> > To: java-user@lucene.apache.org
> > Subject: Stored fields and OS file caching
&g
://www.thetaphi.de
eMail: u...@thetaphi.de
> -Original Message-
> From: Vitaly Funstein [mailto:vfunst...@gmail.com]
> Sent: Friday, April 04, 2014 9:44 PM
> To: java-user@lucene.apache.org
> Subject: Stored fields and OS file caching
>
> I have heard here that stored fields do
I have heard here that stored fields don't work well with OS file caching.
Could someone elaborate on why that is? I am using Lucene 4.6 and we do use
stored fields but not doc values; it appears most of the benefit from the
latter comes as improvement in sorting performance, and I don't actually
u