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Troubleshooting high memory on SRX1500 - nsd process

2 weeks ago

I'm trying to troubleshoot a high memory situation on an SRX1500. I've got two of them running the same version of JUNOS (15.1X49-D110.4), with roughly the same config, but one is using a LOT more memory than the other.

 

Good box:

srx1> show chassis routing-engine
Routing Engine status:
    Temperature                 37 degrees C / 98 degrees F
    CPU temperature             37 degrees C / 98 degrees F
    Total memory              1954 MB Max   743 MB used ( 38 percent)
    Memory utilization          33 percent

 

Bad box:

srx2> show chassis routing-engine
Routing Engine status:
    Temperature                 36 degrees C / 96 degrees F
    CPU temperature             36 degrees C / 96 degrees F
    Total memory              1954 MB Max  1739 MB used ( 89 percent)
    Memory utilization          86 percent

 

I haven't been able to find any smoking gun in the config, and the nsd_chk_only log isn't throwing any answers at me, either. Every reference I can find in my searching online points to high CPU, not high memory. Anyone have any ideas on where to start looking?