Re: Parallel query execution
| От | Jeff Janes |
|---|---|
| Тема | Re: Parallel query execution |
| Дата | |
| Msg-id | CAMkU=1w675xakacASACWXyqcfVv1iDwKCJNu75fzO+WU_Dg_Zw@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: Parallel query execution (Stephen Frost <sfrost@snowman.net>) |
| Ответы |
Re: Parallel query execution
|
| Список | pgsql-hackers |
On Tuesday, January 15, 2013, Stephen Frost wrote:
* Gavin Flower (GavinFlower@archidevsys.co.nz) wrote:
> How about being aware of multiple spindles - so if the requested
> data covers multiple spindles, then data could be extracted in
> parallel. This may, or may not, involve multiple I/O channels?
Yes, this should dovetail with partitioning and tablespaces to pick up
on exactly that.
I'd rather not have the benefits of parallelism be tied to partitioning if we can help it. Hopefully implementing parallelism in core would result in something more transparent than that.
Cheers,
Jeff
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