Re: Performance Improvement by reducing WAL for Update Operation

On Friday, December 28, 2012 1:38 PM Kyotaro HORIGUCHI wrote:
> Hello, I saw this patch and confirmed that
> 
>  - Coding style looks good.
>  - Appliable onto HEAD.
>  - Some mis-codings are fixed.
> 
> And took the performance figures for 4 types of modification versus 2
> benchmarks.
> 
> As a whole, this patch brings very large gain in its effective range -
> e.g. updates of relatively small portions in a tuple, but negligible
> loss of performance is observed outside of its effective range on the
> test machine. I suppose the losses will be emphasized by the more
> higher performance of seq write of WAL devices


Thank you very much for the review.

With Regards,
Amit Kapila.