From: | Ron Johnson <ron(dot)l(dot)johnson(at)cox(dot)net> |
---|---|
To: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Practical maximums (was Re: PostgreSQL theoretical |
Date: | 2006-07-31 14:53:42 |
Message-ID: | 44CE1976.5000905@cox.net |
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Thread: | |
Lists: | pgsql-general |
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Peter Eisentraut wrote:
> Ron Johnson wrote:
>> I think I've read that there are multi-hundred GB PostgreSQL
>> databases.
>>
>> Since pg_dump is single-threaded, how long does it take to back up
>> such a database?
>
> The evasive answer is that you probably don't run regular full pg_dump
> on such databases.
Hmmm.
>> Are there any plans of making a multi-threaded, or even
>> multi-process pg_dump?
>
> What do you hope to accomplish by that? pg_dump is not CPU bound.
Write to multiple tape drives at the same time, thereby reducing the
total wall time of the backup process.
- --
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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