Re: cvs head? initdb?

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.

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