On Wed, May 11, 2011 at 12:40 PM, Simon Riggs wrote:
> On Wed, May 11, 2011 at 4:38 PM, Merlin Moncure wrote:
>
>> Following are results that are fairly typical of the benefits you
>> might see when the optimization kicks in. The attached benchmark just
>
>> [hbcache]
>> real 3m35.549s
>
>> [
On Wed, May 11, 2011 at 4:38 PM, Merlin Moncure wrote:
> Following are results that are fairly typical of the benefits you
> might see when the optimization kicks in. The attached benchmark just
> [hbcache]
> real 3m35.549s
> [HEAD]
> real 4m24.216s
These numbers look very good. Thanks
On Wed, May 11, 2011 at 10:38 AM, Merlin Moncure wrote:
> One thing I need to test is how much benefit you'll see with wider records.
The results are a bit better, around 25% using a similar methodology
on ~ 1k wide records.
> I think I'm gonna revert the change to cache invalid bits. I just
> d
On Tue, May 10, 2011 at 11:59 AM, Simon Riggs wrote:
> On Mon, May 9, 2011 at 5:12 PM, Merlin Moncure wrote:
>
>> I'd like to know if this is a strategy that merits further work...If
>> anybody has time/interest that is. It's getting close to the point
>> where I can just post it to the commit f
On Tue, May 10, 2011 at 11:59 AM, Simon Riggs wrote:
> On Mon, May 9, 2011 at 5:12 PM, Merlin Moncure wrote:
>
>> I'd like to know if this is a strategy that merits further work...If
>> anybody has time/interest that is. It's getting close to the point
>> where I can just post it to the commit f
On Mon, May 9, 2011 at 5:12 PM, Merlin Moncure wrote:
> I'd like to know if this is a strategy that merits further work...If
> anybody has time/interest that is. It's getting close to the point
> where I can just post it to the commit fest for review. In
> particular, I'm concerned if Tom's ear
Attached is an updated version of the 'hint bit cache'.
What's changed:
*) 'bucket' was changed to 'page' everywhere
*) rollup array is now gets added during 'set', not the 'get' (pretty
dumb the way it was before -- wasn't really dealing with non-commit
bits yet)
*) more source comments, includin