Re: RAID Controller (HP P400) beat by SW-RAID?
| От | Alan Hodgson |
|---|---|
| Тема | Re: RAID Controller (HP P400) beat by SW-RAID? |
| Дата | |
| Msg-id | 201109111912.17064.ahodgson@simkin.ca обсуждение |
| Ответ на | RAID Controller (HP P400) beat by SW-RAID? (Anthony Presley <anthony@resolution.com>) |
| Ответы |
Re: RAID Controller (HP P400) beat by SW-RAID?
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| Список | pgsql-performance |
On September 11, 2011 03:44:34 PM Anthony Presley wrote: > First thing I noticed is that it takes the same amount of time to load the > db (about 40 minutes) on the new hardware as the old hardware. I was > really hoping with the faster, additional drives and a hardware RAID > controller, that this would be faster. The database is only about 9GB > with pg_dump (about 28GB with indexes). Loading the DB is going to be CPU-bound (on a single) core, unless your disks really suck, which they don't. Most of the time will be spent building indexes. I don't know offhand why the queries are slower, though, unless you're not getting as much cached before testing as on the older box.
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