Re: PostgreSQL, clusters and load-balance

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От Thomas Kellerer
Тема Re: PostgreSQL, clusters and load-balance
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Msg-id fsbg0r$79h$1@ger.gmane.org
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Ответ на PostgreSQL, clusters and load-balance  ("Bill Wordsworth" <bill.wordsworth@gmail.com>)
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Bill Wordsworth wrote on 25.03.2008 19:16:
> When traffic goes up, my webserver creates multiple instances of
> postgresql.exe. At some basic level, aren't they similar to Oracle's RAC
> "clusters", except that they are not aware of each other?

No, absolutely not. Each client request is handled by a single postgres process
which is spawned by the postmaster upon connection.

It has nothing to do with "instances" or high-availibility

Thomas

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