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Date:      Wed, 20 Feb 2019 23:20:28 +0100
From:      Alex Dupre <ale@FreeBSD.org>
To:        Colin Percival <cperciva@freebsd.org>, Matthew Seaman <matthew@FreeBSD.org>, freebsd-hackers@freebsd.org
Subject:   Re: Amazon AMIs
Message-ID:  <53a0bd68-a6ba-e8ad-4af2-abeb22e92c03@FreeBSD.org>
In-Reply-To: <8a139c9c-b98b-4a54-1d7c-0ea1e3dc7a72@freebsd.org>
References:  <f002c020-1e63-c12f-456e-e20f8546a701@FreeBSD.org> <8a139c9c-b98b-4a54-1d7c-0ea1e3dc7a72@freebsd.org>

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Colin Percival wrote:
> On 2/20/19 3:00 AM, Matthew Seaman wrote:
>> Question:=C2=A0 Why is m4.large the recommended instance type?=C2=A0 S=
urely we'd be
>> better served and present users with a better experience by recommendi=
ng an m5
>> instance as one of the more modern and higher performance types?
>=20
> Last time I looked at this, we weren't handling hotplug/hotunplug of "N=
VMe"
> disks properly on the m5/c5/etc. instances.  I opted to recommend the i=
nstance
> which completely works rather than the one with slightly better perform=
ance...

It does happen only on a few instances, but I get some freezes on new t3
machines: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D235856

They are indeed cheaper and more performant, but not 100% reliable in
every workload.

--=20
Alex Dupre




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