Month: October 2005

  • SCSI Performance on Dual Opteron 244 4G

    18:03:21 up 116 days, 3:05, 1 user, load average: 0.78, 1.05, 1.00 192 processes: 190 sleeping, 1 running, 1 zombie, 0 stopped CPU states: cpu user nice system irq softirq iowait idle total 9.0% 0.0% 2.9% 0.0% 0.4% 8.4% 78.8% cpu00 10.1% 0.1% 3.3% 0.0% 0.1% 12.7% 73.2% cpu01 7.9% 0.0% 2.5% 0.0% 0.7% 4.1%…

  • Get bandwidth/traffic stats

    $vResult = shell_exec(“cat /proc/net/dev | grep eth0| cut -d ‘:’ -f2”); $vTmp = preg_split(‘/[\s]+/’,$vResult); return array($vTmp[0],$vTmp[8]); // in-out

  • hdparm benchmark results

    [ #? 73G SCSI ] root@ [~]# more /var/log/dmesg Vendor: FUJITSU Model: MAP3735NP Rev: 0106 Type: Direct-Access ANSI SCSI revision: 03 SCSI device sda: 143571316 512-byte hdwr sectors (73509 MB) root@ [~]# hdparm -tT /dev/sda /dev/sda: Timing buffer-cache reads: 1180 MB in 2.00 seconds = 590.00 MB/sec Timing buffered disk reads: 152 MB in 3.01…