Bashar Chalabi wrote:
>
> We have recently moved from Online 5.02 to 7.1 on
> an SCO OSR5 platform.
>
> Everything works beautifully for a few hours, an then,
> suddenly, for no apparent reason, the DB engine slows
> down dramatically.
I've seen similar behaviour when using Shared Memory IPC- but
the threads report a "cond wait(sm_read)". As an experiment, you
might try running your configuration using socket IPC, just in an
effort to change one of the variables.
Christos Liacouras
Transaction Network Services