On 05/14/2017 02:21 PM, Gavin Flower wrote:
> On 15/05/17 08:53, Andres Freund wrote:
>> On 2017-05-12 09:40:01 -0700, Josh Berkus wrote:
>>> Josh, Justin, Andres, Gunnar, Peter:
>>>
>>> Replying in one long-ass email:
>>>
>>> On 05/11/2017 12:11 PM, Andres Freund wrote:
>>>> On 2017-05-11 12:08:04 -0700, Josh Berkus wrote:
>>>>> This has been updated with fixes per Andres, Debra, and Petr.
>>>>>
>>>>> Please look and suggest any additional improvements.
>>>> There's not JIT compilation in v10 - I wish ;). I tried to point in
>>>> the
>>>> right direction with the list of commits, and the relevant slide
>>>> numbers...
>> If we had that, I'd put it as a major feature ;)
>>
>>
>>> Can you suggest a different 1-line description?
>> It's like four relatively large patches (the last being 8868
>> insertions(+), 6531 deletions(-)), so it's not necessarily easy to break
>> it down to a 1-line summary, without loosing meaning. Therefore I'd
>> suggest something general "Significantly improved performance for
>> analytics queries", unless we want to break those into multiple ones
>> ("faster hashtable for bitmapscan and aggregation", "faster aggregation
>> when multiple aggregates are used", "faster expression and filter
>> evaluation"), but that seems a bit excessive...
OK added a line in the performnace paragraph: "Analytics queries against
large numbers of rows should be up to 40% faster."
--
Josh Berkus
Containers & Databases Oh My!
