Jan Wieck wrote:
> >> Yeah, there was a problem with *extreme* sharing ... the code tried to
> >> use the same buffer for multiple disk blocks at the same time, and
> >> somehow the backends did not agree on the correct content. But it's
> >> fixed and back in. You can see ARC working by setting
> >>
> >> buffer_strategy_status_interval = 10 # seconds
The above line is the one I was asking about? Does that just control
debug output interval? If so, it should be named more appropriately.
> >>
> >> and starting postmaster with -d1
> >
> > It is not on by default?
> >
>
> Sure not. Why would someone turn on debug messages by default?
>
> Or did you mean ARC itself? Since it replaced the old LRU code, it is
> the only choice you have now. Which sort of raises the question if we
> would want to have multiple choices, like a config option
>
> buffer_replacement_strategy = lru|lru2|arc
No, I don't see much value to this and would encourage people to play
with something that probably is is of little value.
-- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610)
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