How To Measure Network Latency With Ping And Dtrace in Solaris.

1 Star2 Stars3 Stars4 Stars5 Stars (No Ratings Yet)
Loading...

Measuring Network Latency In Solaris Use the below dtrace script (SuperPing.d) to measuring Network Latency. #!/usr/sbin/dtrace -s #pragma D option quiet #pragma D option switchrate=10hz mib:::rawipOutDatagrams /pid == $target/ { start = timestamp; } mib:::icmpInEchoReps /start/ { this->delta = (timestamp – start) / 1000; printf(“dtrace measured: %d us\n”, this->delta); @a[“\n ICMP packet delta average (us):”] […]

Read More

Script to get the Solaris ZFS ARC Size

1 Star2 Stars3 Stars4 Stars5 Stars (No Ratings Yet)
Loading...

This script will list the ZFS adaptive replacement cache (ARC)statistics and usages To get the script click here Another great ZFS ARC summery script is available here Output will look something like this. [root@server] /tmp # ./arc_summary.pl System Memory: Physical RAM: 64128 MB Free Memory : 58808 MB LotsFree: 999 MB ZFS Tunables (/etc/system): ARC Size: […]

Read More