Ashkil Dighin <ashkildighin76@xxxxxxxxx> writes: > The performance bottleneck in LWLockRelease()method goes through an array > one by one to see which lock was released with O(N). As soon as the lock is > found it performs an array to remove the lock. Typically, such locks are released in LIFO order. Do you have any actual evidence of a performance problem here? regards, tom lane