Re: PG8.1 - Config file check

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Chris Hoover <revoohc@xxxxxxxxx> writes:
> We are running a typical OLTP system with some reporting done against it.
> What value would you recommend as a starting point for the work_mem. 

You probably want small work_mem for the transactional sessions (4Mb
doesn't sound out of line, maybe even less), and then boost it up
locally in the reporting sessions.  Some tens of meg will probably
help the reporting queries.

> Also, is it safe and/or advised to leave these at these high levels?
> checkpoint_segements to 256
> checkpoint_timeout to 1800 seconds (30 minutes)

If you don't mind a long time to recover from a crash ...

			regards, tom lane


[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]

  Powered by Linux