Re: Bug in new buffering GiST build code

On Tue, Jun 5, 2012 at 2:00 AM, Alexander Korotkov <aekorotkov(at)gmail(dot)com>wrote:

> On Mon, May 28, 2012 at 1:46 AM, Alexander Korotkov <aekorotkov(at)gmail(dot)com>wrote:
>
>> On Sat, May 26, 2012 at 12:33 AM, Heikki Linnakangas <
>> heikki(dot)linnakangas(at)enterprisedb(dot)com> wrote:
>>
>>> Alexander, do you still have the test environments and data lying around
>>> that you used for GiST buffering testing last summer? Could you rerun some
>>> of those tests with this patch?
>>>
>>
>> I think I can restore test environment and data. Will rerun tests soon.
>>
>
> I rerun some of tests. There are index build times in seconds for old way
> of parent refind and new way of it.
>
> old new
> usnoa2 2385 2452
> usnoa2_shuffled 8131 8055
> uniform 8327 8359
>
> I thinks difference can be described by round error.
>

Oh, I mean not "round" error, but "random". I.e. not exactly same state of
shared buffers at index build start and so on.

------
With best regards,
Alexander Korotkov.