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