Dave, What version of autosave are you using? Are any of the PV's
that autosave is monitoring updating very rapidly? (In the most
common use of autosave, in which create_monitor_set() is called,
autosave puts a CA monitor on all of the PV's in the list, so it
will know if any have changed, and so it will have current values
when it's time to write a .sav file.)
Tim
Dave Reid wrote:
Everyone...
We are currently running a Soft IOC on a Linux based PC, and are using
it to communicate to a Modicon PLC, using the Mark River's Modbus
software. This IOC currently has ~4000 PV's on it.
A few months ago, we upgraded the epics software on this IOC to include
the Auto Save/Restore. We are saving 258 PV's every 10 seconds, and an
additional 258 PV's every 10 minutes.
This has worked fine, but we have discovered that, over a few days, the
load steps from less than 1, on up to 5, with the CPU at %100. We
never noticed this behavior prior to installing Auto Save/Restore, and
don't have this issue with any of our other IOC's.
Any thoughts/ideas on what may be causing this? Thanks...
Dave Reid
University of Washington Medical Center
--
Tim Mooney ([email protected]) (630)252-5417
Beamline Controls & Data Acquisition Group
Advanced Photon Source, Argonne National Lab.
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