-1
votes
3answers
3k views

iostat shows 100% utilization - what can be done to improve performance?

I have dedicated web server with CentOS. Recently, I get very high server load, probably caused due to IO bottleneck. iostat -mx 3 shows: avg-cpu: %user %nice %system %iowait %steal %idle ...
2
votes
4answers
972 views

very specific iostat output needed in realtime

Is there anyway to get the output of iostat -m and add only the column await from the extended output in realtime? I know this question sounds nutso but I need to be able to get all those column in ...
0
votes
1answer
642 views

Nginx causing high load with not many active connections

I have a linux machine 64bit (centos5.5), 2.83GHz Q9550, 6gb ram and a single SATA 500gb drive. From this machine I only serve thumbnails, most around 10kb in size and at this point there are about 7 ...