Over the years, I've found the some SAS processes exhibit signs of memory leak or other "stability" issues, so restarting them periodically seems to be A Good Thing (tm). So every two weeks we stop all SAS processes, then start them all (in the proper order). However, taking advantage of the restart, while all processes are stopped we perform a "cold" backup of all relevant config, data, etc. One can never have too many backups.
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