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Hello, there is higher %wa value on top command both on VPS and on host server (OpenVZ virtualization). Both RHEL CentOS 5.x
VPS:
Quote:
[root@* hqs]# w
18:13:05 up 17 days, 12:34, 1 user, load average: 1.08, 1.40, 1.33
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
root pts/0 :1.0 03May14 17days 0.01s 0.01s -bash
[root@vps hqs]# iostat
Linux 2.6.18-371.3.1.el5.028stab110.1 (*) 05/20/14
avg-cpu: %user %nice %system %iowait %steal %idle
8.68 0.16 7.90 12.80 0.00 70.46
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
[root@vps hqs]# vmstat
procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------
r b swpd free buff cache si so bi bo in cs us sy id wa st
2 0 0 9047468 0 0 0 0 13 24 0 7 9 8 70 13 0
Host server:
Quote:
-bash-3.2# w;iostat;vmstat
12:15:17 up 21 days, 7:05, 1 user, load average: 26.44, 28.58, 20.12
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
root pts/0 chomsky.torserve 12:00 0.00s 0.03s 0.02s w
Linux 2.6.18-371.3.1.el5.028stab110.1 (*) 05/20/14
avg-cpu: %user %nice %system %iowait %steal %idle
10.87 0.16 3.60 13.08 0.00 72.29
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
sda 263.58 521.79 9977.21 960046912 18357245870
sda1 0.00 0.00 0.00 2302 38
sda2 263.58 521.79 9977.21 960044330 18357245832
dm-0 1265.03 521.79 9977.21 960041306 18357244688
dm-1 0.00 0.00 0.00 2536 2136
procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------
r b swpd free buff cache si so bi bo in cs us sy id wa st
8 7 288 561216 999776 15036684 0 0 16 312 1 1 11 4 72 13 0
io, packets per second on host server for all OpenVZ VMs:
host server load is usually around 9, server having 16 cores.
Please anyone can advice some commands or ideas? Thank you
Continue reading...
VPS:
Quote:
[root@* hqs]# w
18:13:05 up 17 days, 12:34, 1 user, load average: 1.08, 1.40, 1.33
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
root pts/0 :1.0 03May14 17days 0.01s 0.01s -bash
[root@vps hqs]# iostat
Linux 2.6.18-371.3.1.el5.028stab110.1 (*) 05/20/14
avg-cpu: %user %nice %system %iowait %steal %idle
8.68 0.16 7.90 12.80 0.00 70.46
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
[root@vps hqs]# vmstat
procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------
r b swpd free buff cache si so bi bo in cs us sy id wa st
2 0 0 9047468 0 0 0 0 13 24 0 7 9 8 70 13 0
Host server:
Quote:
-bash-3.2# w;iostat;vmstat
12:15:17 up 21 days, 7:05, 1 user, load average: 26.44, 28.58, 20.12
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
root pts/0 chomsky.torserve 12:00 0.00s 0.03s 0.02s w
Linux 2.6.18-371.3.1.el5.028stab110.1 (*) 05/20/14
avg-cpu: %user %nice %system %iowait %steal %idle
10.87 0.16 3.60 13.08 0.00 72.29
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
sda 263.58 521.79 9977.21 960046912 18357245870
sda1 0.00 0.00 0.00 2302 38
sda2 263.58 521.79 9977.21 960044330 18357245832
dm-0 1265.03 521.79 9977.21 960041306 18357244688
dm-1 0.00 0.00 0.00 2536 2136
procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------
r b swpd free buff cache si so bi bo in cs us sy id wa st
8 7 288 561216 999776 15036684 0 0 16 312 1 1 11 4 72 13 0
io, packets per second on host server for all OpenVZ VMs:
host server load is usually around 9, server having 16 cores.
Please anyone can advice some commands or ideas? Thank you
Continue reading...