Re: limiting hint bit I/O

On 01/19/2011 09:03 AM, Andrea Suisani wrote:
> On 01/18/2011 06:44 PM, Robert Haas wrote:
>> On Tue, Jan 18, 2011 at 9:24 AM, Merlin Moncure<mmoncure@gmail.com> wrote:
>>> a few weeks back I hacked an experimental patch that removed the hint
>>> bit action completely. the results were very premature and/or
>>> incorrect, but my initial findings suggested that hint bits might not
>>> be worth the cost from performance standpoint. i'd like to see some
>>> more investigation in this direction before going with a complex
>>> application mechanism (although that would be beneficial vs the status
>>> quo).
>>
>> I think it's not very responsible to allege that hint bits aren't
>> providing a benefit without providing the patch that you used and the
>> tests that you ran.
>
> maybe I'm wrong but it seems it did post an experimental patch and also                               ^^
                he
 
> a tests used, see:  ^^  the

sorry for the typos (not enough caffeine I suppose :)



Andrea