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Date: Wed, 9 Apr 2014 20:19:56 +0200
Message-ID: <CA+s+GJBRvDFgktTgW2sCvAVahrjxcGqfgHw0BVNPvwUupotVrg@mail.gmail.com>
From: Wladimir <laanwj@gmail.com>
To: Mike Hearn <mike@plan99.net>
Content-Type: multipart/alternative; boundary=089e01160edcce0b5504f6a0255e
Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] Bitcoind-in-background mode for SPV
	wallets
Precedence: list

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On Wed, Apr 9, 2014 at 8:00 PM, Mike Hearn <mike@plan99.net> wrote:

> The right way to start with this, if anyone cares, is to add
> instrumentation to existing SPV wallet apps to report back to home base how
> long they are running for, how much disk space / RAM they have, and
> possibly what kind of hardware.
>
> I *strongly* suspect that the vast majority of SPV wallets are not left
> running permanently, and run on laptops where battery life is at a premium.
> These people will never want to run full nodes.
>

Bitcoins stands or falls with people running full nodes.

If no one wants to volunteer resources to support the network anymore,
we'll have failed.

Sorry. I don't think it will ever make sense to run full nodes on consumer
> hardware again. Our time is much better spent on optimising so it's cheaper
> for full node operators to run them on cheap virtualised servers.
>

Most consumer hardware is much more powerful than 'cheap virtualized
servers'. More memory, disks are cheap, and at least in the Netherlands
home bandwidth is much cheaper than server bandwidth.

Also: any optimization that helps running on cheap servers will also help
running it on consumer hardware. It's not the one or the other.

Wladimir

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Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><br><div class=3D"gmail_extra"><div class=3D"gmail_quote">=
On Wed, Apr 9, 2014 at 8:00 PM, Mike Hearn <span dir=3D"ltr">&lt;<a href=3D=
"mailto:mike@plan99.net" target=3D"_blank">mike@plan99.net</a>&gt;</span> w=
rote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div dir=3D"ltr"><div class=3D"gmail_extra">=
The right way to start with this, if anyone cares, is to add instrumentatio=
n to existing SPV wallet apps to report back to home base how long they are=
 running for, how much disk space / RAM they have, and possibly what kind o=
f hardware.</div>

<div class=3D"gmail_extra"><br></div><div class=3D"gmail_extra">I <b>strong=
ly</b>=C2=A0suspect that the vast majority of SPV wallets are not left runn=
ing permanently, and run on laptops where battery life is at a premium. The=
se people will never want to run full nodes.</div>
</div></blockquote><div><br></div>Bitcoins stands or falls with people runn=
ing full nodes.<br><br></div><div class=3D"gmail_quote">If no one wants to =
volunteer resources to support the network anymore, we&#39;ll have failed.<=
br>
</div><div class=3D"gmail_quote"><div><br></div><blockquote class=3D"gmail_=
quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1=
ex"><div dir=3D"ltr">
<div class=3D"gmail_extra"></div><div class=3D"gmail_extra">Sorry. I don=
9;t think it will ever make sense to run full nodes on consumer hardware ag=
ain. Our time is much better spent on optimising so it&#39;s cheaper for fu=
ll node operators to run them on cheap virtualised servers.</div>
</div></blockquote><div><br></div><div>Most consumer hardware is much more =
powerful than &#39;cheap virtualized servers&#39;. More memory, disks are c=
heap, and at least in the Netherlands home bandwidth is much cheaper than s=
erver bandwidth.<br>
<br></div><div>Also: any optimization that helps running on cheap servers w=
ill also help running it on consumer hardware. It&#39;s not the one or the =
other.<br></div><br><div>Wladimir<br><br></div></div></div></div>

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