Hi, Juniper experts,
Since last week, we found the system processes "pagezero" and "flowd_octeon_hm" were so high that caused CPU utilization (CPU Kernal) was so high as below:
root@SRX650-A> show version
node0:
--------------------------------------------------------------------------
Hostname: SRX650-A
Model: srx650
JUNOS Software Release [12.3X48-D40.5]
node1:
--------------------------------------------------------------------------
Hostname: SRX650-B
Model: srx650
JUNOS Software Release [12.3X48-D40.5]
{primary:node0}
root@SRX650-A>
root@SRX650-A> show chassis routing-engine
node0:
--------------------------------------------------------------------------
Routing Engine status:
Temperature 35 degrees C / 95 degrees F
CPU temperature 35 degrees C / 95 degrees F
Total memory 2048 MB Max 1495 MB used ( 73 percent)
Control plane memory 1072 MB Max 697 MB used ( 65 percent)
Data plane memory 976 MB Max 800 MB used ( 82 percent)
CPU utilization:
User 59 percent
Background 0 percent
Kernel 41 percent
Interrupt 0 percent
Idle 0 percent
Model RE-SRXSME-SRE6
Serial ID ACNK2809
Start time 2018-06-26 16:36:36 GMT+4
Uptime 572 days, 9 hours, 41 minutes, 23 seconds
Last reboot reason 0x200:normal shutdown
Load averages: 1 minute 5 minute 15 minute
2.30 2.29 2.25
node1:
--------------------------------------------------------------------------
Routing Engine status:
Temperature 35 degrees C / 95 degrees F
CPU temperature 35 degrees C / 95 degrees F
Total memory 2048 MB Max 1331 MB used ( 65 percent)
Control plane memory 1072 MB Max 536 MB used ( 50 percent)
Data plane memory 976 MB Max 800 MB used ( 82 percent)
CPU utilization:
User 8 percent
Background 0 percent
Kernel 2 percent
Interrupt 0 percent
Idle 91 percent
Model RE-SRXSME-SRE6
Serial ID ACNK2663
Start time 2018-06-26 16:21:42 GMT+4
Uptime 572 days, 9 hours, 56 minutes, 15 seconds
Last reboot reason 0x200:normal shutdown
Load averages: 1 minute 5 minute 15 minute
0.04 0.06 0.07
{primary:node0}
root@SRX650-A>
root@SRX650-A> show system memory
node0:
--------------------------------------------------------------------------
System memory usage distribution:
Total memory: 2097152 Kbytes (100%)
Reserved memory: 1061628 Kbytes ( 50%)
Wired memory: 1122500 Kbytes ( 53%)
Active memory: 310960 Kbytes ( 14%)
Inactive memory: 197376 Kbytes ( 9%)
Cache memory: 229416 Kbytes ( 10%)
Free memory: 160560 Kbytes ( 7%)
Memory disk resident memory: 60348 Kbytes
VM-Kbytes( % ) Resident( % ) Map-name
619676(59.09) 169880(00.00) kernel
Pid VM-Kbytes( % ) Resident( % ) Process-name
98841 6768(01.29) 1504(00.00) /sbin/pma
root@SRX650-A> show system processes summary
node0:
--------------------------------------------------------------------------
last pid: 98838; load averages: 2.18, 2.26, 2.24 up 572+09:40:25 02:16:30
177 processes: 29 running, 136 sleeping, 1 zombie, 11 waiting
Mem: 304M Active, 193M Inact, 1096M Wired, 224M Cache, 112M Buf, 156M Free
Swap:
PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND
38 root 1 171 52 0K 16K RUN 0 36:32 6709.77% pagezero
1421 root 15 139 0 1026M 80380K CPU11 b ??? 1011.87% flowd_octeon_hm
1092 root 1 139 0 15104K 5180K RUN 0 50.7H 33.06% eventd
89802 root 1 139 0 46944K 26340K RUN 0 34.3H 30.81% mgd
node1:
--------------------------------------------------------------------------
last pid: 53464; load averages: 0.03, 0.06, 0.07 up 572+09:55:18 02:16:30
128 processes: 24 running, 91 sleeping, 1 zombie, 12 waiting
Mem: 174M Active, 167M Inact, 1096M Wired, 165M Cache, 112M Buf, 369M Free
Swap:
PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND
1419 root 15 139 0 1026M 80380K CPU11 b ??? 1029.00% flowd_octeon_hm
22 root 1 171 52 0K 16K RUN 0 ??? 81.20% idle: cpu0
{primary:node0}
root@SRX650-A>
Is the memory size issue ?
Any advice/suggestion ?
Many thanks in advance.