Re: SSD Drives
| От | Ben Chobot |
|---|---|
| Тема | Re: SSD Drives |
| Дата | |
| Msg-id | EC7D8AE4-9C54-4BC3-A878-DC5E3752678E@silentmedia.com обсуждение исходный текст |
| Ответ на | Re: SSD Drives (John R Pierce <pierce@hogranch.com>) |
| Список | pgsql-general |
On Apr 3, 2014, at 12:47 PM, John R Pierce <pierce@hogranch.com> wrote:
On 4/3/2014 9:26 AM, Joe Van Dyk wrote:Related, anyone have any thoughts on using postgresql on Amazon's EC2 SSDs? Been looking at http://aws.amazon.com/about-aws/whats-new/2013/12/19/announcing-the-next-generation-of-amazon-ec2-high-i/o-instance
if your data isn't very important, by all means, keep it on someone elses virtualized infrastructure with no performance or reliability guarantees.
Well that’s not quite fair. AWS guarantees performance for those instances (http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/i2-instances.html#i2-instances-diskperf). They also guarantee their instances will fail sooner or later, with or without warning (at which point you will loose all your data unless you’ve been putting copies onto a different system).
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