Date: Fri, 20 Mar 1998 12:32:19 -0800 (PST) From: Simon Shapiro <shimon@simon-shapiro.org> To: "Kent S. Gordon" <kgor@inetspace.com> Cc: roberto@keltia.freenix.fr, freebsd-hackers@FreeBSD.ORG Subject: Re: How do you increase available SYSV shared memory? Message-ID: <XFMail.980320123219.shimon@simon-shapiro.org> In-Reply-To: <199803181718.LAA08905@soccer.inetspace.com>
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On 18-Mar-98 Kent S. Gordon wrote: > >>>>>> "shimon" == Simon Shapiro <shimon@simon-shapiro.org> writes: > I have been thinking of changing Postgres to use mmapped files instead > of SYSV shared memory. I think this should allow for larger postgres This will be a disaster. It assumes that PostgreSQL uses files for data storage. While this is the default mode, it is NOT the only storage meanager. In PostgreSQL, like most true RDBMS, the storage of data is decoupled from the logic of the relational model, etc. I am building a storage manager that uses a totally different (distributed) storage model than Unix files. A memory based storage manager already exists in PostgreSQL. Please do not break these. Sion To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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