Re: 12 Silver Bullets
От | Bob Zurek |
---|---|
Тема | Re: 12 Silver Bullets |
Дата | |
Msg-id | 51494DB187D98F4C88DBEBF1F5F6D423022F98AC@edb06.mail01.enterprisedb.com обсуждение исходный текст |
Ответ на | Re: 12 Silver Bullets ("vincent" <vinny@xs4all.nl>) |
Список | pgsql-advocacy |
Terrific. Now this is what I was looking for...a starting point along with validation. Sorry if I wasn't clear enough in the first email. Thanks Greg for taking the first crack and others for this feedback. Z. -----Original Message----- From: pgsql-advocacy-owner@postgresql.org [mailto:pgsql-advocacy-owner@postgresql.org] On Behalf Of vincent Sent: Thursday, August 16, 2007 3:46 AM To: pgsql-advocacy@postgresql.org Subject: Re: [pgsql-advocacy] 12 Silver Bullets > On Thu, 16 Aug 2007, Simon Riggs wrote: > >>> 2. Robust transactional ACID behavior under all circumstances >> Async commit changes that, since it relaxes the Durability aspect. > > And one can wreak havoc right now if you turn fsync off. Maybe the > wording may need to be tweaked here. The disclaimer in the detailed > document is "barring hardware failure or grossly improper configuration". > If you expected ACID, but used Async commit, that certainly falls into the > improper configuration category. > Does the reader really need to know so many details in a list like this? PgSQL defaults to ACID, which is the point I'd like to make in a list like this; the user does not have to do anything special to get ACID, unlike some databases who shall rename nameless... Sure a user can force non-acid behaviour, that's not what you want to put forward when promoting PgSQL. It's the truth, but it's too much information. ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match
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