Re: Locking B-tree leafs immediately in exclusive mode

Поиск
Список
Период
Сортировка
От Simon Riggs
Тема Re: Locking B-tree leafs immediately in exclusive mode
Дата
Msg-id CANP8+j+rK4JEwf_EiT5knG71N=iWmE-8KG5kB3xMkO-8R15Btg@mail.gmail.com
обсуждение исходный текст
Ответ на Re: Locking B-tree leafs immediately in exclusive mode  (Alexander Korotkov <a.korotkov@postgrespro.ru>)
Ответы Re: Locking B-tree leafs immediately in exclusive mode  (Alexander Korotkov <a.korotkov@postgrespro.ru>)
Список pgsql-hackers
On 26 July 2018 at 20:59, Alexander Korotkov <a.korotkov@postgrespro.ru> wrote:

> Great, thank you!  So, I think the regression is demystified.  We can
> now conclude that on our benchmarks this patch doesn't cause
> performance regression larger than measurement error.  But in some
> cases it shows huge performance benefit.
>
> So, I'm going to commit this, if no objections.

+1 to commit.

What will the commit message be?

For me, this is about reducing contention on index leaf page hotspots,
while at the same time reducing the path length of lock acquisition on
leaf pages

-- 
Simon Riggs                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


В списке pgsql-hackers по дате отправления:

Предыдущее
От: Andres Freund
Дата:
Сообщение: Re: How can we submit code patches that implement our (pending)patents?
Следующее
От: Tom Lane
Дата:
Сообщение: Re: [HACKERS] Getting rid of "accept incoming network connections" prompts on OS X