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From: Alexander Pivovarov <apivovarov@gmail.com>
Date: Thu, 6 Nov 2014 00:04:50 -0800
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 <CAKKt98Ro_7g2WiOCRy7WLKbM-FgE7G+NufpAZJOzXP9imLYZHA@mail.gmail.com>
Subject: Re: High Availability hadoop cluster.
To: user@hadoop.apache.org
Content-Type: multipart/alternative; boundary=047d7bae43b4c85c0905072c2774
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--047d7bae43b4c85c0905072c2774
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2 boxes for 2 NNs  (better dedicated boxes)
min 3 JNs
min 3 ZKs

JNs and ZKs can share boxes with other services


On Wed, Nov 5, 2014 at 11:31 PM, Oleg Ruchovets <oruchovets@gmail.com>
wrote:

> Hello.
> We are using hortonwork distribution and want to evaluate HA capabilities.
> Can community please share the best practices and potential problems?
> Is it required additional hardware?
>
> Thanks
> Oleg.
>

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<div dir=3D"ltr"><div>2 boxes for 2 NNs =C2=A0(better dedicated boxes)</div=
><div>min 3 JNs<br></div><div>min 3 ZKs</div><div><br></div><div>JNs and ZK=
s can share boxes with other services</div><div><br></div></div><div class=
=3D"gmail_extra"><br><div class=3D"gmail_quote">On Wed, Nov 5, 2014 at 11:3=
1 PM, Oleg Ruchovets <span dir=3D"ltr">&lt;<a href=3D"mailto:oruchovets@gma=
il.com" target=3D"_blank">oruchovets@gmail.com</a>&gt;</span> wrote:<br><bl=
ockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #=
ccc solid;padding-left:1ex"><div dir=3D"ltr">Hello.=C2=A0<div>We are using =
hortonwork distribution and want to evaluate HA capabilities.</div><div>Can=
 community please share the best practices and potential problems?</div><di=
v>Is it required additional hardware?</div><div><br></div><div>Thanks</div>=
<span class=3D"HOEnZb"><font color=3D"#888888"><div>Oleg.</div></font></spa=
n></div>
</blockquote></div><br></div>

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