- disk IO is OK but blocking on long-lasting transactions or external
- resources is not acceptable. Long-running subprocesses should use
- subprograms (rather than forking but not execing) if reasonably possible;
- see c_stats() for an example. c_reminder() is probably in the grey area.
+ disk IO is OK but blocking for extended periods on long-lasting
+ transactions or external resources is not acceptable; it will wedge the
+ server for all other users.
+
+ Long-running subprocesses should use subprograms (rather than forking but
+ not execing) if reasonably possible; see c_stats() for an example.
+ c_reminder() is probably in the grey area.