Hello Andrew,

On Wed, March 1, 2006 17:31, Andrew Piskorski wrote:
> Is that in fact true?  I am not familiar with how PostgreSQL
> implements the SERIALIZABLE isolation level, but I assume that
> PostgreSQL's MVCC would still give some advantage even under
> SERIALIZABLE: It should allow the readers and (at least one of) the
> writers to run concurrently.  Am I mistaken?

PostgreSQL always played the "readers are never blocked" mantra. Nevertheless
I really wonder how the strict serializable constraints could be satisfied
without blocking the readers while a write is in place.

Bye,

-- 
        Denis Sbragion
        InfoTecna
        Tel: +39 0362 805396, Fax: +39 0362 805404
        URL: http://www.infotecna.it

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