Re: PostgreSQL performance issues

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Luke Lonergan wrote:
Currently the load looks like this:
Cpu0 : 96.8% us, 1.9% sy, 0.0% ni, 0.3% id, 0.0% wa, 0.0% hi, 1.0% si Cpu1 : 97.8% us, 1.6% sy, 0.0% ni, 0.3% id, 0.0% wa, 0.0% hi, 0.3% si Cpu2 : 96.8% us, 2.6% sy, 0.0% ni, 0.3% id, 0.0% wa, 0.0% hi, 0.3% si Cpu3 : 96.2% us, 3.2% sy, 0.0% ni, 0.3% id, 0.0% wa, 0.0% hi, 0.3% si

All four CPUs are hammered busy - check "top" and look for runaway
processes.

- Luke


Yes, the first 463 process are all postgres. In the meanwhile I've done:
Dropped max_connections from 500 to 250 and
Upped shared_buffers = 50000

Without any apparent effect.


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