[TS-822] make cluster thread number configable

• Type: New Feature
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.1.0
• Fix Version/s: 3.1.0
• Component/s: Clustering
• Labels: cluster threading

Environment

heavy clustering env

• Assignee: Zhao Yongming
• Reporter: Zhao Yongming
• Created: 05/Jun/11 15:19
• Updated: 19/Aug/11 01:19
• Resolved: 18/Jul/11 03:20

Description

when my cluster working at a heavy load, the thread seems need more cpu time, as the cluster thread number is hard coded to be just one. we should release it or find out other solutions.

Tasks: 149 total,   1 running, 148 sleeping,   0 stopped,   0 zombie
Cpu0  : 13.2%us, 11.6%sy,  0.0%ni, 24.5%id, 34.1%wa,  0.0%hi, 16.6%si,  0.0%st
Cpu1  : 14.3%us,  9.6%sy,  0.0%ni, 55.5%id,  3.0%wa,  1.0%hi, 16.6%si,  0.0%st
Cpu2  : 15.4%us,  9.7%sy,  0.0%ni, 39.8%id, 19.1%wa,  1.3%hi, 14.7%si,  0.0%st
Cpu3  : 12.3%us,  9.0%sy,  0.0%ni, 57.0%id,  5.0%wa,  2.3%hi, 14.3%si,  0.0%st
Mem:  16427532k total, 13547884k used,  2879648k free,   289068k buffers
Swap:  2096472k total,        0k used,  2096472k free,   451684k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
28210 nobody    15   0 12.7g  12g 4508 S 55.9 77.0 731:00.78 [ET_CLUSTER 0]
28145 nobody    15   0 12.7g  12g 4508 S  8.0 77.0 104:39.41 [ET_NET 1]
28149 nobody    15   0 12.7g  12g 4508 S  7.7 77.0 108:31.92 [ET_NET 5]
28143 nobody    15   0 12.7g  12g 4508 S  7.3 77.0 110:25.50 [ET_NET 0]
28146 nobody    15   0 12.7g  12g 4508 S  7.3 77.0 107:19.08 [ET_NET 2]
28147 nobody    15   0 12.7g  12g 4508 S  7.3 77.0 107:04.85 [ET_NET 3]
28148 nobody    15   0 12.7g  12g 4508 S  7.0 77.0 105:01.84 [ET_NET 4]
28164 nobody    16   0 12.7g  12g 4508 S  4.7 77.0   0:26.85 [ET_AIO 3]
28188 nobody    15   0 12.7g  12g 4508 S  3.7 77.0  49:19.35 [ACCEPT]
28135 nobody    16   0  363m  15m 2068 S  1.0  0.1   6:49.62 traffic_manager
28132 nobody    15   0  363m  15m 2068 S  0.7  0.1  14:08.49 traffic_manager
28178 nobody    16   0 12.7g  12g 4508 S  0.7 77.0   4:42.76 [ET_AIO 1]
28156 nobody    16   0 12.7g  12g 4508 S  0.3 77.0   0:29.01 [ET_AIO 3]
28166 nobody    16   0 12.7g  12g 4508 S  0.3 77.0   0:26.50 [ET_AIO 5]
28173 nobody    16   0 12.7g  12g 4508 S  0.3 77.0   0:34.62 [ET_AIO 4]
28177 nobody    16   0 12.7g  12g 4508 S  0.3 77.0   4:42.74 [ET_AIO 0]
28180 nobody    16   0 12.7g  12g 4508 S  0.3 77.0   4:42.75 [ET_AIO 3]
28181 nobody    16   0 12.7g  12g 4508 S  0.3 77.0   4:40.95 [ET_AIO 4]
28183 nobody    16   0 12.7g  12g 4508 S  0.3 77.0   4:42.44 [ET_AIO 6]
    1 root      15   0 10348  632  540 S  0.0  0.0   0:00.69 init
    2 root      RT  -5     0    0    0 S  0.0  0.0   0:00.11 migration/0
    3 root      34  19     0    0    0 S  0.0  0.0   0:04.68 ksoftirqd/0
    4 root      RT  -5     0    0    0 S  0.0  0.0   0:00.00 watchdog/0
    5 root      RT  -5     0    0    0 S  0.0  0.0   0:00.09 migration/1
    6 root      34  19     0    0    0 S  0.0  0.0   0:06.99 ksoftirqd/1
    7 root      RT  -5     0    0    0 S  0.0  0.0   0:00.00 watchdog/1
    8 root      RT  -5     0    0    0 S  0.0  0.0   0:00.09 migration/2