Re: Changing the Stored Procedure Cache (PC_POOLSIZE)
Posted in 1997
David Williams wrote:
>
> In article <859052869.29347.1@basharlp.ctl.com>, Bashar Chalabi
> <bashar@ctl.com> writes
> >Hi there,
> >
> >We have ODS 7.10 on SCO OSR5.
> >
> >We tried changing the PC_POOLSIZE parameter to increase the size of the stored
> >procedure cache. The
> >performance gains are fairly dramatic. However, we now have an unstable system.
> >Every once in a while, we
> >get a:
> >
> >Assert Failed: Internal Error - Segmentation Violation.> >
> >By removing PC_POOLSIZE from onconfig, we get a stable system.
> >
> >Can anybody help? Any reason why PC_POOLSIZE is not the manuals?
> Because it is not supported..there are several of these parameters
> which are not documented.
I've heard, PC_POOLSIZE is an undocumented but supported
parameter. So I think it's a good idea to contact your technical
support.
> I suspect they are only used by the Informix
> development team when making decisions about how Informix should work
> internally in a particular port. i.e. when tuning a port of Informix
> they change these to deciede what the default values should be, then
> hardcode these as the detauls and make sure Online works correctly with
> these values....
>
> >
> >Thanks
> >
> >Bashar Chalabi
> >Card Tech Ltd
> >
>
> --
> David Williams
--
Stefan