Zhaonanli created TS-3430:
-----------------------------
Summary: why cpu 100% on a occasion?
Key: TS-3430
URL: https://issues.apache.org/jira/browse/TS-3430
Project: Traffic Server
Issue Type: Bug
Components: Core
Reporter: Zhaonanli
trafficserver 4.2.2; Centos 6.5 64bit; 32G mem.
1. top:
Cpu0 : 99.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 1.0%si, 0.0%st
Cpu1 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu2 : 99.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 1.0%si, 0.0%st
Cpu3 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu4 : 0.0%us,100.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu5 : 99.0%us, 1.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu6 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu7 : 99.0%us, 1.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu8 : 99.0%us, 1.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu9 : 99.0%us, 1.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu10 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu11 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu12 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu13 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu14 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu15 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 32819596k total, 32507016k used, 312580k free, 325852k buffers
Swap: 16777212k total, 25276k used, 16751936k free, 11826164k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
21089 traffics 20 0 22.2g 18g 29m R 100.1 58.9 17:20.61 [ET_NET 0]
21091 traffics 20 0 22.2g 18g 29m R 100.1 58.9 17:11.08 [ET_NET 1]
all thread is 100%.
2. perf top:
58.50% traffic_server [.] LogObject::_checkout_write(unsigned
long*, unsigned long)
34.01% traffic_server [.] bool
ink_atomic_cas<__int128>(__int128 volatile*, __int128, __int128)
is log questions?
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
