Hi Julien

Sphinx can have a memory limit for the indexer process - if it's  
lower, the processing just takes longer.
http://sphinxsearch.com/docs/current.html#conf-mem-limit

You can set mem_limit in your config/sphinx.yml file:
production:
   mem_limit: 32M

If you've got a high traffic site, I recommend using the delayed-job  
delta approach, so that way there won't be more than one indexer fired  
off at any one time.

Cheers

-- 
Pat

On 11/02/2009, at 7:03 PM, Julien Palmas wrote:

>
> Hi list,
>
> I am about to build a web app with a big database modified very often
> by many operators.
>
> I need my users to be able to search for objects that might just have
> been created or modified.
> I assume TS Delta indexes are the best way to go.
>
> My concern is about the server CPU load that it would generate.
> Is delta indexing know to be a lightweight operation, or does it need
> a lot of ressources ?
>
> Thx for the help
>
> Julien
>
> >


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