Re: [DOCS] number of semaphores and semaphore sets

2011-09-06 Thread Bruce Momjian
Robert Haas wrote: > On Mon, Mar 21, 2011 at 12:05 PM, Anton Yuzhaninov wrote: > > This page: > > http://www.postgresql.org/docs/9.0/interactive/kernel-resources.html > > > > has formula: > > ceil((max_connections + autovacuum_max_workers) / 16) > > > > for number of semaphore sets (identifiers).

Re: [DOCS] number of semaphores and semaphore sets

2011-04-05 Thread Robert Haas
On Mon, Mar 21, 2011 at 12:05 PM, Anton Yuzhaninov wrote: > This page: > http://www.postgresql.org/docs/9.0/interactive/kernel-resources.html > > has formula: > ceil((max_connections + autovacuum_max_workers) / 16) > > for number of semaphore sets (identifiers). > > It seems to be wrong (outdated)

[DOCS] number of semaphores and semaphore sets

2011-03-21 Thread Anton Yuzhaninov
This page: http://www.postgresql.org/docs/9.0/interactive/kernel-resources.html has formula: ceil((max_connections + autovacuum_max_workers) / 16) for number of semaphore sets (identifiers). It seems to be wrong (outdated). Correct formula seems to be ceil((max_connections + autovacuum_max_wo