Matty wrote: > On Nov 25, 2007 4:42 PM, Adam Leventhal <[EMAIL PROTECTED]> wrote: > >> The dvm provider can be quite intrusive. You might try upgrading to the >> 1.6 JVM which has native support for the hotspot provider. That said, it's >> still quite expensive. >> > > Are there any efforts ongoing to decrease the probe effect ? We have > attempted to > use the hotspot provider in production in the past, but the overhead has > proven > to be a bit too much. On some of out mildly busy applicaiton servers we saw > the CPU load jump from 10% utilization to 100% utilization when we enabled > the DTraceMethodProbes probes. We would _LOVE_ be able to use the > hotspot provider in production, but the runtime overhead currently prevents > us from doing so. > We have some initial plans for doing something more intelligent than turning on all of the methods all of the time, and turning them on dynamically as needed, but we're limited by our available resources. If you (or anyone on this list) would be interested in helping us out in the effort, please speak up!
-- - Keith _______________________________________________ dtrace-discuss mailing list [email protected]
