Subject | Re: [firebird-support] Scale or tune firebird? |
---|---|
Author | Ann W. Harrison |
Post date | 2004-11-10T15:18:48Z |
At 01:01 AM 11/10/2004, Faisal Abdullah wrote:
system CPU bound or disk bound? Can you move your temp space to
a RAM disk? That could help if your doing a lot of sorting.
Can you identify poorly performing queries and add (or drop)
indexes? Have you got performance measurements - reads/writes
marks/fetches? Plans? Problems on the database side can often
be fixed without changing the application, once you understand
what they are.
You should probably turn off automatic sweep and schedule a
daily sweep during a slow time.
If you have UPS, you can probably switch off forced writes on
a Linux system.
Regards,
ann
>Hi all,What have you done to identify the cause of the problem? Is the
>
>I have an application *really* bad in design, which causes *very*
>sluggish performance,
system CPU bound or disk bound? Can you move your temp space to
a RAM disk? That could help if your doing a lot of sorting.
Can you identify poorly performing queries and add (or drop)
indexes? Have you got performance measurements - reads/writes
marks/fetches? Plans? Problems on the database side can often
be fixed without changing the application, once you understand
what they are.
You should probably turn off automatic sweep and schedule a
daily sweep during a slow time.
If you have UPS, you can probably switch off forced writes on
a Linux system.
Regards,
ann