At 20:20 -0400 5/11/02, <[EMAIL PROTECTED]> wrote: >Paul, > I dont quite understand what you mean when you say "I guess you >want your machine to thrash, then."
Most people don't have over a gig of physical memory. Setting the buffer sizes to such huge amounts in such cases will cause a lot of swapping, completely obviating the attempt to improve performance. > >Ramon > > >On Sat, 11 May 2002, Paul DuBois wrote: > >> At 15:44 -0400 5/11/02, <[EMAIL PROTECTED]> wrote: >> >Benjamin... >> > >> > I get a feel for the amount of activity by looking at the >> >processes running and the amount of cpu time they are using.. (on >> >linux: ps xu) >> > Correct me if I am wrong. I understand that the sort_buffer is the >> >most important when creating keys... I set the sort buffer to 1000M and >> >key buffer to 200M. >> >> I guess you want your machine to thrash, then. >> >> How much physical memory do you actually have? 1200M? >> >> > >> >Ramon >> > >> >On Sat, 11 May 2002, Benjamin Pflugmann wrote: >> > >> >> Hi. >> >> >> >> How do you define/determine "activity"? >> >> >> >> The operation is probably I/O bound. From the message you get I assume >> >> increasing the key cache matter. >> >> >> >> Regards, >> >> >> >> Benjamin. >> >> >> >> On Sat, May 11, 2002 at 11:00:11AM -0400, >>[EMAIL PROTECTED] wrote: >> >> > When loading large amounts of data into MySQL there is a >>period oh high >> >> > server activity followed by a long period of little >>activity. While on the >> >> > little activity period, the process list reads "Repair with >>key cache"... >> >> > >> >> > How can I make the server work harder in this period and get done with >> >> > loading data faster? >> >> > >> >> > Thanks >> >> > > > > > > Ramon --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
