Re: eviscerating the parser
| От | Joshua Berkus |
|---|---|
| Тема | Re: eviscerating the parser |
| Дата | |
| Msg-id | 900868836.4146.1306085881747.JavaMail.root@mail-1.01.com обсуждение исходный текст |
| Ответ на | Re: eviscerating the parser (Robert Haas <robertmhaas@gmail.com>) |
| Ответы |
Re: eviscerating the parser
|
| Список | pgsql-hackers |
Robert, > Another point is that parsing overhead is quite obviously not the > reason for the massive performance gap between one core running simple > selects on PostgreSQL and one core running simple selects on MySQL. > Even if I had (further) eviscerated the parser to cover only the > syntax those queries actually use, it wasn't going to buy more than a > couple points. I don't know if you say Jignesh's presentation, but there seems to be a lot of reason to believe that we are lock-bound onlarge numbers of concurrent read-only queries. -- Josh Berkus PostgreSQL Experts Inc. http://pgexperts.com San Francisco
В списке pgsql-hackers по дате отправления: