Greg Ames wrote: >Jeff & I discussed how to troubleshoot this baby. Some thoughts: >* compare trusses and look for abnormalities >* scrutinize the error logs >* calculate and log how much CPU time each request takes, the thought >being that some requests are burning a lot more CPU than they used to. > >Any other ideas? >
One more thought: I graphed the CPU utilization from your vmstat output, and the spike is mostly sys time, not usr. So truss/strace data may be helpful--especially if truss on that platform can measure the time spent in each syscall. --Brian