Re: Recovery control functions
От
Simon Riggs
Тема
Re: Recovery control functions
Дата
Msg-id
1295009683.12442.89.camel@ebony
Ответ на
Re: Recovery control functions (Heikki Linnakangas)
Список
Дерево обсуждения
Recovery control functions Simon Riggs <simon@2ndQuadrant.com>
Re: Recovery control functions Simon Riggs <simon@2ndQuadrant.com>
Re: Recovery control functions Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
Re: Recovery control functions Simon Riggs <simon@2ndQuadrant.com>
Re: Recovery control functions Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
Re: Recovery control functions Simon Riggs <simon@2ndQuadrant.com>
Re: Recovery control functions Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
Re: Recovery control functions Simon Riggs <simon@2ndQuadrant.com>
Re: Recovery control functions Fujii Masao <masao.fujii@gmail.com>
Re: Recovery control functions Simon Riggs <simon@2ndQuadrant.com>
Re: Recovery control functions Magnus Hagander <magnus@hagander.net>
Re: Recovery control functions Simon Riggs <simon@2ndQuadrant.com>
Re: Recovery control functions Fujii Masao <masao.fujii@gmail.com>
Re: Recovery control functions Simon Riggs <simon@2ndQuadrant.com>
Re: Recovery control functions Magnus Hagander <magnus@hagander.net>
Re: Recovery control functions Fujii Masao <masao.fujii@gmail.com>
Re: Recovery control functions Magnus Hagander <magnus@hagander.net>
On Fri, 2011-01-14 at 14:27 +0200, Heikki Linnakangas wrote: > > Trouble is, if you wait on Latch X and other processes send wakeup > > assuming you were waiting on Latch Y, then this will erroneously wake > > you up. > > The signal will wake up the process, but WaitLatch will quickly go back > to sleep if it wasn't for the latch we're waiting for. I don't think > that causes any meaningful performance issues. Neither does polling. > So that's all handled within the latch code. I'll adjust the comment. -- Simon Riggs http://www.2ndQuadrant.com/books/PostgreSQL Development, 24x7 Support, Training and Services
В списке pgsql-hackers по дате отправления
От: Heikki Linnakangas
Дата: