Re: PostgreSQL vs MySQL

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От Christopher Browne
Тема Re: PostgreSQL vs MySQL
Дата
Msg-id m37jv15h2a.fsf@wolfe.cbbrowne.com
обсуждение исходный текст
Ответ на Re: PostgreSQL vs MySQL  (Dan Langille <dan@langille.org>)
Ответы Re: PostgreSQL vs MySQL  (Alvaro Herrera <alvherre@dcc.uchile.cl>)
Список pgsql-advocacy
In an attempt to throw the authorities off his trail, threshar@torgo.978.org (Jeff) transmitted:
> One area though is fast recovery - Reloading a multi-GB db from a
> pg_dump is painful, especially if you have foreign keys.  Lots of
> sort_mem helps.

A very interesting approach on a multi-cpu system would be to restore
multiple indices concurrently when working on a single table.  The
locality of reference should allow this to be handled quite
efficiently, as data blocks pulled in for one index should shortly be
used for others.

This ought to get decent parallelism.
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