Re: WAL & SHM principles
От | Bruce Momjian |
---|---|
Тема | Re: WAL & SHM principles |
Дата | |
Msg-id | 200103071622.LAA09905@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: WAL & SHM principles (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: WAL & SHM principles
|
Список | pgsql-hackers |
> Bruce Momjian <pgman@candle.pha.pa.us> writes: > > The only problem is that we would no longer have control over which > > pages made it to disk. The OS would perhaps write pages as we modified > > them. Not sure how important that is. > > Unfortunately, this alone is a *fatal* objection. See nearby > discussions about WAL behavior: we must be able to control the relative > timing of WAL write/flush and data page writes. Bummer. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania19026
В списке pgsql-hackers по дате отправления: