Subject | Re: (Repost) Slow down after GC ? |
---|---|
Author | Alexander V.Nevsky |
Post date | 2004-05-25T17:52:08Z |
--- In firebird-support@yahoogroups.com, "Jerome Bouvattier"
<JBouvattier@I...> wrote:
statement always is much faster - first execution fills the cache with
pages needed for this statement and subsequent one don't access hard
drive or make it in much less degree.
Best regards,
Alexander.
<JBouvattier@I...> wrote:
> Hi again,the SP's
>
> Does anyone have a clue about this ?
> Is this a known issue ?
> Maybe I should ask in devel ?
>
> Note that cache isn't involved here. Restarting FB doesn't change
> execution speed, be it in a fast or slow scenario.Jerome, IMO this is still cache effect. Subsequent execution of any
statement always is much faster - first execution fills the cache with
pages needed for this statement and subsequent one don't access hard
drive or make it in much less degree.
Best regards,
Alexander.