You can get performance info using the following commands (package “sysstat” must be installed!).
mpstat iostat vmstat nfsiostat /hana/data/MHQ 1
See also http://cherry.world.edoors.com/CU0LauKNejGY for aditional info!
sar
OR
time dd if=/dev/sda of=/dev/null bs=1M count=1024
sar -f /var/log/sa/sa18 #show previous day(s) sar #show today sar -P ALL #CPU sar -r #show RAM sar -q #load average sar -b #io sar -n DEV #network stats sar -q 1 #Report queue length and load averages (realtime) sar -R 1 #Report memory statistics (realtime) sar -B 1 #Report paging statistics (realtime) sar -r sar -f /var/log/sa/sa26 -r | less sar -P ALL -f /var/log/sa/sa18 | less sar -r -s 10:00:00 -e 12:00:00
[root@testserver ~]# ls -l /var/log/sa/ total 8952 -rw-r--r-- 1 root root 410352 May 18 23:50 sa18 -rw-r--r-- 1 root root 410352 May 19 23:50 sa19 -rw-r--r-- 1 root root 410352 May 20 23:50 sa20 -rw-r--r-- 1 root root 410352 May 21 23:50 sa21 -rw-r--r-- 1 root root 410352 May 22 23:50 sa22 -rw-r--r-- 1 root root 410352 May 23 23:50 sa23
https://www.thomas-krenn.com/de/wiki/Linux_Performance_Aufzeichnung_und_Auswertung_mit_sar