Re: [HACKERS] fork/exec for backend
Bruce Momjian <maillist@candle.pha.pa.us>
From: Bruce Momjian <maillist@candle.pha.pa.us>
To: goran@bildbasen.se (Goran Thyni)
Cc: hackers@postgreSQL.org
Date: 1998-01-24T20:45:48Z
Lists: pgsql-hackers
> > > I am still wondering why postmaster fork/exec instead of > just forking when receiving a new connection. > > Fork on modern unices (linux and (a think) *BSD) cost > almost nothing (in time and memory) thanks to COW (copy-on-write). > Exec in expensive as it breaks COW. > > I know this is not the time (have too wait 'til after 6.3), > but shouldn't this be on the ToDo-list. It was on my personal TODO. It is on the main one now: * remove fork()/exec() of backend and make it just fork() I had hoped to do this fir 6.3 as it will save 0.01 seconds on startup, but no luck. -- Bruce Momjian maillist@candle.pha.pa.us