Andres Freund wrote:
> Now a) and b) are recent oversights of mine. I'd apparently not realized
> that there's detailed docs on this in buffer/README. But c) is pretty
> old - essentially 5d50873 from 2005.
>
> I wonder if it's worthwhile to go into that level of detail - seems
> kinda likely to
On Tue, Nov 10, 2015 at 3:34 AM, Andres Freund wrote:
>
> Hi,
>
> $subject contains:
>
> > The "clock hand" is a buffer index, nextVictimBuffer, that moves
circularly
> > through all the available buffers. nextVictimBuffer is protected by the
> > buffer_strategy_lock.
> >
> > The algorithm for a
Hi,
$subject contains:
> The "clock hand" is a buffer index, nextVictimBuffer, that moves circularly
> through all the available buffers. nextVictimBuffer is protected by the
> buffer_strategy_lock.
>
> The algorithm for a process that needs to obtain a victim buffer is:
>
> 1. Obtain buffer_s