Re: Duplicate rows sneaking in despite PRIMARY KEY / UNIQUE
| От | Jim C. Nasby |
|---|---|
| Тема | Re: Duplicate rows sneaking in despite PRIMARY KEY / UNIQUE |
| Дата | |
| Msg-id | 20060606203926.GA45331@pervasive.com обсуждение исходный текст |
| Ответ на | Re: Duplicate rows sneaking in despite PRIMARY KEY / UNIQUE (Travis Cross <travis@crosswirecorp.com>) |
| Список | pgsql-hackers |
On Tue, Jun 06, 2006 at 12:58:10PM -0400, Travis Cross wrote: > >Do you *know* that the disk drive will not lie about write > >complete? > > "Know" is such a strong word ;) Honestly, I have very little idea. > I understand the nature of the problem this presents, as I've read > the very fine PostgreSQL manual many times over the years. > > Because the drives I use are specifically designed to operate well > in a RAID environment, I would 'hope' that the drives perform honest > write operations. > > I wonder if there is a utility to perform a deterministic test of > this... Brad from livejournal.com wrote a utility that does just that, thought it requires 2 machines to run the test. -- Jim C. Nasby, Sr. Engineering Consultant jnasby@pervasive.com Pervasive Software http://pervasive.com work: 512-231-6117 vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461
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