10-14-2012, 07:31 AM
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Member
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Join Date: Jul 2012
Posts: 14
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Download starts delayed
Hello
I hosted sites that have heavy traffic , this sites use more than 2TB bandwidth per day
Now i use trial 2-CPU LiteSpeed License
But a serious problem , sometimes server don't accept new connection or accept it late ,
Server information :
Processor 2 x E5620 2.40Ghz HT
Memory 24GB DDR3 ECC Memory
Hard Drive 4 x 2TB SAS 7,200 RPM
Raid H700 Raid Controller with BBU - Raid 10
IO wait :
Code:
root@ [~]# iostat -x
Linux 2.6.32-279.9.1.el6.x86_64 10/14/2012 _x86_64_ (16 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
0.43 0.39 3.02 8.37 0.00 87.78
Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s avgrq-sz avgqu-sz await svctm %util
sda 488.05 26.18 774.56 9.47 95965.97 280.25 122.76 43.33 55.26 1.18 92.19
sdb 381.67 160.30 653.17 5.51 81479.33 1325.98 125.71 32.48 49.32 1.24 81.84
dm-0 0.00 0.00 0.01 0.00 0.06 0.00 7.95 0.00 11.84 8.11 0.01
dm-1 0.00 0.00 0.42 0.79 18.94 6.33 20.86 0.05 42.67 15.56 1.88
dm-2 0.00 0.00 0.03 4.92 0.27 39.34 8.00 0.25 49.54 23.61 11.68
dm-3 0.00 0.00 0.02 0.00 1.26 0.01 67.89 0.00 44.77 26.06 0.05
dm-4 0.00 0.00 5.77 17.97 189.97 143.74 14.06 1.87 78.93 2.34 5.55
dm-5 0.00 0.00 0.53 7.54 10.74 60.31 8.80 1.13 139.75 3.04 2.45
dm-6 0.00 0.00 2315.83 169.42 177011.65 1355.38 71.77 22.24 8.92 0.40 99.30
dm-7 0.00 0.00 1.68 0.14 212.16 1.12 117.37 0.09 51.55 14.44 2.62
connection (Real time status) :
Code:
Http In 31KB Http Out 103,030KB
Https In 0KB Https Out 0KB
Max 122,880 Idle 86
Http Used 16,696 Http Free 106,184
Https Used 0 Https Free 40,960
In Processing 16,610 Req/Sec 62.1
Total Req 75,271 Total Cache Hits 0
Cache Hit Rate 0% Cache Hits/Sec 0.0
Load is ok , i/o wait is ok , i think configuration is ok too
but i don't know why server don't accept new connection and this problem has caused connection time out or Download starts delayed
i attached number of connection screenshot and tuning configuration
please some one help me
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