Re: Practical maximums (was Re: PostgreSQL theoretical

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Alvaro Herrera wrote:
> Ron Johnson wrote:
>
>> This is where a multi-threaded pg_tapedump would be more effective,
>> since it would be able to, for example, have 4 threads reading
>> (different parts of) the database and writing to 4 separate tape drives.
>
> It will be difficult to have a consistent dump though.  You can't do
> that with separate transactions.  (And you can't have multiple
> simultaneous readers without separate transactions.)

Absolutely, you're right.  All "threads" must run from within the
same read-only transaction.


- --
Ron Johnson, Jr.
Jefferson LA  USA

Is "common sense" really valid?
For example, it is "common sense" to white-power racists that
whites are superior to blacks, and that those with brown skins
are mud people.
However, that "common sense" is obviously wrong.
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