Alvaro Herrera escribió: > Simon's explanation, however, is at odds with the code. > > http://git.postgresql.org/?p=postgresql.git;a=blob;f=src/backend/storage/lmgr/lwlock.c > > There is "queue jumping" in the regular (heavyweight) lock manager, but > that's a pretty different body of code. I'll just embarrass myself by pointing out that Neil Conway described this back in 2004: http://archives.postgresql.org//pgsql-hackers/2004-11/msg00905.php So Simon's correct. -- Alvaro Herrera http://www.CommandPrompt.com/ The PostgreSQL Company - Command Prompt, Inc. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
