weleh .. piye iki .. ? :-) ----- Forwarded message from Ken Jones <[EMAIL PROTECTED]> -----
Date: Fri, 04 Nov 2005 09:10:10 -0600 From: Ken Jones <[EMAIL PROTECTED]> Subject: Re: [vchkpw] ramdisk with ext2 or tmpfs, vpopmail mysql - heap table : performance - too big disk load Szeki - Inc wrote: > Hi, > > It is a good idea to use heap tables for vpopmail query-s ? MyISAM tables > for UPDATES, and HEAP for selects (they will be created from MyISAM)? I > wanna to minimalize the disk subsystem impact. System is always waiting for > disks(big load, can even reach 20-25). What is the ideal maximum concurrent > conncetion limit with mysql ? > > I want to put the temp directories (spamassasin, clamd, other scanners) to > ramdisk. What to use: > > 1. ramdisk, fixed size (set with kernel parameter), with ext2, looks like a > "real" disk, with real filesystem > 2. tmpfs, with maximized ramsize, eating always as many ram what is needed. > cons ? What is the price for this "freedom" ? > (can I use tmpfs on a debian server for the main /tmp ?) I can spend 512 or > even 1024 Mb ram for ramdrives, or tmpfs. > > I need every idea, or solution, how can I reduce the disk usage on the > system. I want to keep only what is necessery. I will turn of mail logging > via syslog (deamontools is doing a great job logging mails, why waste the > needed disk i/o power for syslog), other things ? > > What if I put qmails queue to ramdisk (or tmpfs ramdisk) ? (memory cards ? > are good enough ?) I would try putting /var/qmail/queue on the ramdisk since you have the RAM already. I would also comment out the fsync() calls in the qmail source code. Ken Jones ----- End forwarded message ----- Salam, P.Y. Adi Prasaja -- Right or wrong my list. Unsubscribe option is currently unavailable. Indeed, it's available upon request .. but: cepek dulu donk!
