Hi, we have a serious performance problem after upgrading our production system from version 2.2.a to 3.4.c.12. Everything works perfectly in our test environment but once we rolled out to Production the system slows to a crawl and starts hanging and requires restarting.The system logs looked fine. The database was under a bit of a load at times but that's nothing out of the ordinary. Strange that the load drops in a short time though... I asked for -- and received -- fully verbose system logs and checked them again. Things looked normal until people started logging in.
I asked for the OS performance logs. The CPUs were all pinning at 100% in a short time. Yeah, that could do it. But Clancy said everything ran sweet when they'd put double the standard user load on the Test system which comprised two brand new, dual quad-core 3GHz Xeons with 16GB of memory. Hmm... and what's the Production system running on?
Four boxes, each running a single 500MHz PIII Xeon with 1GB of memory.
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