Thank you for your replies,

So I've got a few techs to tests :

  - doctrine searchable behavior
  - xapian
  - sphinx search
  - java lucene

I guess I'll find somthing userfull in there :)

Regards.
Thibault.

On 11 mai, 11:44, "David Ashwood" <da...@inspiredthinking.co.uk>
wrote:
> It's not just about the number of objects involved but things like index
> location, definition, file system used, locking methods, concurrency,
> read/write ratio, etc that all affect overall performance.
> Have you tried using a ramdisk and copying the index to it to see if helps?
> It would eliminate the disk IO side and some of the file based concurrency
> issues that might be affecting you.
> PHP is noisy with the file system and it might be causing problems.  If you
> don't have access to a ramdisk - try moving the index to another disk from
> your PHP files (using the same approach as using a separate disk for DB log
> files to improve performance).
>
> Generally this is why I prefer DB based storage - it's an optimised engine
> for dealing with data and keeps the search close to the data you're
> searching.
> With the Doctrine approach it scales with your DB, it's as simple as
> attaching a behaviour, you can use existing tools to manage & tweak the
> indexes and it's easily extendable.
>
> -----Original Message-----
> From: symfony-users@googlegroups.com [mailto:symfony-us...@googlegroups.com]
>
> On Behalf Of Thibault Jouannic
> Sent: 11 May 2009 11:01
> To: symfony users
> Subject: [symfony-users] Re: Zend Search scalability
>
> Hello,
>
> Thank you for your answer. I've tried to tweak a few parameters,
> optimized the index, but didn't notice any difference.
>
> I've done some searches in the zend forum, and some zend developpers
> pretend that zend search performances are equivalent to java lucene,
> while some users report performance problems as I do.
>
> I'm considering using some alternative, like sphinx search. However,
> I'm puzzled about this scalability problem, since 60000 objects sounds
> reasonable to me. I can't believe I'm the first who tried to setup
> zend search with so many objects.
>
> I would realy appreciate any feedback.
>
> Regards.
> Thibault.
>
> On 10 mai, 14:00, "David Ashwood" <da...@inspiredthinking.co.uk>
> wrote:
> > Take a look here for optimising the index that may
> help:http://framework.zend.com/manual/en/zend.search.lucene.best-practice...
> .
> > nd.search.lucene.best-practice.indexing-performance
>
> > I started using Zend Lucene but switched over to using the Doctrine
> > Behaviour that scales better in the test's I've run.  You can find some
> > summary info about it
> here:http://www.doctrine-project.org/documentation/manual/1_1/en/behaviors..
> .
> > ehaviors:searchable and some details
> here:http://www.doctrine-project.org/documentation/manual/1_1/en/searching
>
> > -----Original Message-----
> > From: symfony-users@googlegroups.com
> [mailto:symfony-us...@googlegroups.com]
>
> > On Behalf Of Thibault Jouannic
> > Sent: 10 May 2009 13:47
> > To: symfony users
> > Subject: [symfony-users] Zend Search scalability
>
> > Hello sf users,
>
> > I've got a performance problem with zend search.
>
> > I followed the jobeet tutorial to integrate it, and at the beginning,
> > eveything worked like a charm. Today, I've got 60000 documents in db
> > (doesn't seems huge to me), and only a few fields are indexed (title,
> > tags).
>
> > Now, if a do a search with a single term, the server takes a few
> > seconds to respond. If I use more than 4-5 terms, the server run out
> > of memory.
>
> > Is there a configuration problem with my app, or a scalability problem
> > with zend search engine ? How could I tweak it to run faster ? And if
> > I can't, wich alternative would you recommend ?
>
> > Thank You.
> > Thibault.
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