Thanks Karol

My challenge with AWS EFS is waiting for it to be HIPAA/BAA certified. But good 
to know it's a satisfactory option. 

I like the aspect of not worrying about total storage space, in part why I was 
looking at obox and S3 for the elastic scale.

------------------------------

Message: 5
Date: Sat, 10 Sep 2016 22:27:52 +0100
From: Karol Augustin <ka...@augustin.pl>
To: dovecot@dovecot.org
Subject: Re: Use of obox2 and AWS S3
Message-ID: <1fbb9ac24386c29a92a320d2d1a39...@augustin.pl>
Content-Type: text/plain; charset=US-ASCII

On 2016-09-01 2:59, Raymond Sellars wrote:

> Any one running a dovecot solution within AWS in general? Interested 
> in best practice for the storage layer. Although NFS is possible its 
> not really optimised for elastic cloud type hosting.
> 
> Thanks
> Raymond


Hi Raymond,

I am using dovecot on EC2 instance with EFS storage backend. As the initial 
performance is bad it scales pretty quickly with space used. So it handles 
maildir storage very well. The latency is a little high but with indexes there 
is no problem.

It works as NFS storage with unlimited space (8EB) and you pay for what you 
use. So it turns out to be very cost effective as you do not have to worry 
about reserving space.

For better performance you can keep indexes on ephermal storage or EBS, which 
both have much lower access times.

As for 'elastic cloud type hosting' EFS store can be used by thousands of 
instances in multiple AWS AZs at the same time, so it looks like it is somehow 
optimized.


Best,
Karol





--
Karol Augustin
ka...@augustin.pl
http://karolaugustin.pl/
+353 85 775 5312

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