Thinking about how to reduce the effects of certain race conditions
makes me think about whether it is possible to make a function called
LWLockAcquireWithPriority().
We already allow queue jumping when lock mode != LW_EXCLUSIVE, so
queue jumping based upon an assigned priority rather than
Simon Riggs [EMAIL PROTECTED] writes:
This will prevent commits being stalled when we occasionally switch clog
and multixact pages, plus it also stops commits from being stalled when
there are heavy writers in progress.
Exactly how would a priority mechanism prevent stalling? If the lock is
