Re: What happens on a commit?

Ok, we are looking more into this. In the mean time, can someone please
explain to me (or point me to the correct documentation) what happens in
PostgreSQL when a commit is issued. What exactly does the database do?

Thanks,

Chris

On 5/22/07, Alvaro Herrera <alvherre(at)commandprompt(dot)com> wrote:
>
> Chris Hoover escribió:
> > I found an e-mail showing how to strace and here is what I have
> found. Does
> > it help/mean anything to those who can decode this?
> >
> > We are installing PostgreSQL from the official rpms.
> >
> > Chris
> >
> > time strace -c -p 2690
> > Process 2690 attached - interrupt to quit
> > Process 2690 detached
> > % time seconds usecs/call calls errors syscall
> > ------ ----------- ----------- --------- --------- ----------------
> > 42.80 13.003288 251 51790 recv
> > 17.47 5.306686 30 175916 send
>
> This means that 60% of the time spent by system calls is due to network
> operations. But they account to 18.3 seconds, whereas this
>
> > real 27m21.090s
> > user 0m5.379s
> > sys 0m23.073s
>
> says that the total time spent is 27:21. So you have to explain the
> remaining 27:03 which are elsewhere.
>
> --
> Alvaro Herrera
> http://www.CommandPrompt.com/
> The PostgreSQL Company - Command Prompt, Inc.
>