Hi all,I have asterisk 1.4 installed on 2 Dual Core processors (total = 4 cores) + CentOS5.0 x64 + 3 E1 PRI and 80 sip extension. Sometime the system seems to slow down during peak hours. I check with 'sar' and see that CPU0 has highest load while the other CPUs has very low loads. Since asterisk uses thread, CPU load should be shared among CPU? or do I need to have special setting?
11:30:01 AM CPU %user %nice %system %iowait %steal %idle 11:40:01 AM all 1.13 0.00 10.96 0.01 0.00 87.90 11:40:01 AM 0 1.86 0.00 41.18 0.00 0.00 56.95 11:40:01 AM 1 0.47 0.00 0.18 0.00 0.00 99.36 11:40:01 AM 2 1.41 0.00 1.97 0.02 0.00 96.59 11:40:01 AM 3 0.78 0.00 0.55 0.01 0.00 98.67 11:50:01 AM all 0.99 0.00 10.02 0.01 0.00 88.98 11:50:01 AM 0 1.92 0.00 38.14 0.00 0.00 59.94 11:50:01 AM 1 0.34 0.00 0.15 0.00 0.00 99.52 11:50:01 AM 2 1.06 0.00 1.47 0.02 0.00 97.46 11:50:01 AM 3 0.66 0.00 0.41 0.01 0.00 98.93 12:00:01 PM all 0.83 0.00 8.46 0.01 0.00 90.70 12:00:01 PM 0 1.91 0.00 32.68 0.00 0.00 65.41 12:00:01 PM 1 0.30 0.00 0.14 0.00 0.00 99.55 12:00:01 PM 2 0.63 0.00 0.75 0.01 0.00 98.60 12:00:01 PM 3 0.50 0.00 0.34 0.01 0.00 99.15 12:10:01 PM all 1.04 0.00 7.48 0.02 0.00 91.46 12:10:01 PM 0 1.88 0.00 29.15 0.00 0.00 68.97 12:10:01 PM 1 0.77 0.00 0.10 0.00 0.00 99.12 12:10:01 PM 2 0.39 0.00 0.44 0.05 0.00 99.13 12:10:01 PM 3 1.13 0.00 0.32 0.01 0.00 98.54 Average: all 0.40 0.00 4.34 0.00 0.00 95.26
Best regards, Setta
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