Re: SSD Drives - Mailing list pgsql-general

From John R Pierce
Subject Re: SSD Drives
Date
Msg-id 533DBDE7.4030800@hogranch.com
Whole thread Raw
In response to Re: SSD Drives  (David Rees <drees76@gmail.com>)
Responses Re: SSD Drives  (David Boreham <david_list@boreham.org>)
Re: SSD Drives  (Vick Khera <vivek@khera.org>)
List pgsql-general
On 4/3/2014 12:32 PM, David Rees wrote:
> So yeah, even the slower, cheaper S3500 SSDs are way fast. If your
> write workload isn't too high, the S3500 can work well. We'll see how
> the SMART drive lifetime numbers do once we get into production, but
> right now we estimate they should last at least 5 years and from what
> we've seen it seems that SSDs seem to wear much better than expected.
> If not, we'll pony up and go for the S3700 or perhaps move the xlog
> back on to spinning disks.

an important thing in getting decent wear leveling life with SSDs is to
keep them under about 70% full.

--
john r pierce                                      37N 122W
somewhere on the middle of the left coast



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