Re: WAL in RAM
| От | Tomas Vondra |
|---|---|
| Тема | Re: WAL in RAM |
| Дата | |
| Msg-id | 3c355a2313b1472a8ce429e05842f713.squirrel@sq.gransy.com обсуждение исходный текст |
| Ответ на | Re: WAL in RAM (Merlin Moncure <mmoncure@gmail.com>) |
| Список | pgsql-performance |
On 28 Říjen 2011, 20:40, Merlin Moncure wrote: > sure, but then you have to have a more complicated setup with a > drive(s) designated for WAL, another for storage, etc. Also, your > argument falls away if the WAL is shared with another drive. The era > of the SSD is here. All new systems I plan will have SSD storage > unless cost pressures are extreme -- often with a single drive unless > you need the extra storage. If I need availability, instead of RAID, > I'll just build hot standby in. Well, sure - I'm actually a fan of SSDs. Using an SSDs for the datafiles, or using an SSD for the whole database (including WAL) makes sense, but my impression was that the OP wants to buy a new drive and use it for WAL only and that's not really cost effective I guess. Tomas
В списке pgsql-performance по дате отправления: