| From: | David Rees <drees76(at)gmail(dot)com> |
|---|---|
| To: | Brent Wood <Brent(dot)Wood(at)niwa(dot)co(dot)nz> |
| Cc: | PostgreSQL General <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: SSD Drives |
| Date: | 2014-04-03 19:47:51 |
| Message-ID: | CAHtT9RsFnE95z8EZncRHLbd4Jdo1ZBzxgbTPjeY3hKUFL+-iLw@mail.gmail.com |
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| Lists: | pgsql-general |
On Thu, Apr 3, 2014 at 12:44 PM, Brent Wood <Brent(dot)Wood(at)niwa(dot)co(dot)nz> wrote:
> Does the RAID 1 array give any performance benefits over a single drive? I'd guess
> that writes may be slower, reads may be faster (if balanced) but data security is improved.
Unfortunately I didn't test a single drive as that's not a
configuration we would run our systems in. I expect that it would
reduce read performance and thus pgbench results some, but I can't
tell you how much in this case.
-Dave
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