Re: reindex/vacuum locking/performance?

--On Monday, October 06, 2003 14:26:10 -0400 Tom Lane  
wrote:

> Neil Conway  writes:
>> On Sun, 2003-10-05 at 19:50, Neil Conway wrote:
>> I was hoping you'd reply to this, Tom -- you were referring to O_DIRECT,
>> right?
>
> Not necessarily --- as you point out, it's not clear that O_DIRECT would
> help us.  What would be way cool is something similar to what James
> Rogers was talking about: a way to tell the kernel not to promote this
> page all the way to the top of its LRU list.  I'm not sure that *any*
> Unixen have such an API, let alone one that's common across more than
> one platform :-(
I think Verita's VxFS has this as an option/IOCTL.

You can read the Veritas doc on my
http://www.lerctr.org:8458/

pages under filesystems.

That should work on UnixWare and Solaris sites that have VxFS installed.

VxFS is standard on UW.

LER


-- 
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 972-414-9812                 E-Mail: ler@lerctr.org
US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749