On Thu, May 3, 2012 at 7:05 AM, Shaun Thomas <stho...@optionshouse.com>wrote:
> I like to follow this: > > http://www.westnet.com/~**gsmith/content/linux-pdflush.**htm<http://www.westnet.com/%7Egsmith/content/linux-pdflush.htm> > Thanks for the reference, Shaun. > As a note, there are actually new tunables for some of this: dirty_bytes, > and dirty_background_bytes. With them, you can match them better to the > actual size of your controller write cache so you can avoid page flush > storms causing IO stalls. That sounds interesting. How do you identify a page flush storm? > Mr. Nielsen's setup actually looks pretty darn good. It's my personal > opinion he might run into some IO waits if he plans to use this for heavy > OLTP, thanks to having only 8 spindles in his RAID1+0, but he may > eventually grow into a SAN. That's fine. It's a good starting point. Cool - thanks, again, for the review, Shaun. Cheers, Jan > > > -- > Shaun Thomas > OptionsHouse | 141 W. Jackson Blvd. | Suite 500 | Chicago IL, 60604 > 312-444-8534 > stho...@optionshouse.com > > > ______________________________**________________ > > See > http://www.peak6.com/email_**disclaimer/<http://www.peak6.com/email_disclaimer/>for > terms and conditions related to this email >