The best you can get on linux is sar -d. > -----Original Message----- > From: chao_ping [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, January 22, 2003 2:39 AM > To: Multiple recipients of list ORACLE-L > Subject: off topic: iostat -x in linux > > > oracledba?? > dba friends, do you know how to measure the io capacity > usage(%busy) in linux server, like solaris: > > extended device statistics > device r/s w/s kr/s kw/s wait actv svc_t %w %b > sd6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 > sd9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 > sd10 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 > ssd2 0.0 10.0 0.0 22.0 0.0 0.0 1.8 0 2 > ssd3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 > ssd4 51.0 0.0 408.0 0.0 0.0 0.5 10.1 0 41 > ssd5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 > nfs1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 > ^C > > In linux, it seems difficult, I have tried linux iostat > and sysstat-iostat, non of them seems to work properly with > util column in iostat report. Though no activity on the > server at all, iostat always report utilization of the > partitions 100% Why? > I also searched google and found the same question asked > by others, but nobody replied. > > Anyone have the same experience? How did you measure > the load on the io subsystem in your linux server then? IO > wait is still 0%, but io capacity usage is 100%. Confusing... > > > avg-cpu: %user %nice %sys %iowait %idle > 3.00 0.00 0.00 0.00 97.00 > > Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s rkB/s wkB/s > avgrq-sz avgqu-sz await svctm %util > /dev/sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 > 42941682.96 0.00 0.00 100.00 > /dev/sda1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 > 42949662.96 0.00 0.00 100.00 > /dev/sda2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10.00 > 0.00 0.00 100.00 > /dev/sda3 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 > 42949652.96 0.00 0.00 100.00 > /dev/sda5 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 > 0.00 0.00 0.00 > /dev/sda6 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 > 0.00 0.00 0.00 > /dev/sda7 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 > 42948232.96 0.00 0.00 100.00 > > avg-cpu: %user %nice %sys %iowait %idle > 2.00 0.00 0.50 0.00 97.50 > > Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s rkB/s wkB/s > avgrq-sz avgqu-sz await svctm %util > /dev/sda 0.00 2.00 1.00 4.00 8.00 48.00 4.00 24.00 11.20 > 42941683.06 2.00 200.00 100.00 > /dev/sda1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 > 42949662.96 0.00 0.00 100.00 > /dev/sda2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10.00 > 0.00 0.00 100.00 > /dev/sda3 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 > 42949652.96 0.00 0.00 100.00 > /dev/sda5 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 > 0.00 0.00 0.00 > /dev/sda6 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 > 0.00 0.00 0.00 > /dev/sda7 0.00 2.00 1.00 4.00 8.00 48.00 4.00 24.00 11.20 > 42948233.06 2.00 200.00 100.00 > > > > Regards > zhu chao > msn:[EMAIL PROTECTED] > www.happyit.net > www.cnoug.org(China Oracle User Group) > > > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.net > -- > Author: chao_ping > INET: [EMAIL PROTECTED] > > Fat City Network Services -- 858-538-5051 http://www.fatcity.com > San Diego, California -- Mailing list and web hosting services > --------------------------------------------------------------------- > To REMOVE yourself from this mailing list, send an E-Mail message > to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in > the message BODY, include a line containing: UNSUB ORACLE-L > (or the name of mailing list you want to be removed from). You may > also send the HELP command for other information (like subscribing). > -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Gogala, Mladen INET: [EMAIL PROTECTED]
Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
