| From: | John R Pierce <pierce(at)hogranch(dot)com> |
|---|---|
| To: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: SSD Drives |
| Date: | 2014-04-03 20:00:39 |
| Message-ID: | 533DBDE7.4030800@hogranch.com |
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| Lists: | 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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