cactid poor performance - potential problem

[MG]

I'm running cacti 0.8.6b and cactid 0.8.6b and from what I have read in the 'post your stats' thread, the performance seems pretty poor.

This is currently running on a 4cpu Sun 420R with 4gb RAM

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SYSTEM STATS: Time: 263.2372 s, Method: cactid, Processes: 1, Threads: 8, Hosts: 117, Hosts/Process: 117

If I try and increase the threads I seem to get more 'ERROR: The POPEN timed out' messages (almost like they were fighting over something), which get's worse the more I increase it.

The hosts I'm polling are pretty much all via snmp (net-snmp), and nothing fancy (using the vanilla Win2k template).

Anyone got any ideas where I can look to speed things up.

Actually it looks like the database is being hammered which can't be helping.. is this normal?

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# /opt/mysql/bin/mysqladmin status
Uptime: 47810  Threads: 19  Questions: 2534014  Slow queries: 50  Opens: 1626  Flush tables: 1  Open tables: 48  Queries per second avg: 53.002

MG