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Date: Mon, 07 Apr 2014 08:19:04 -0400
From: Jameson Lopp <jameson.lopp@gmail.com>
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Subject: Re: [Bitcoin-development] Why are we bleeding nodes?
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I'm glad to see that I'm not the only one concerned about the consistent dropping of nodes. Though I think that the fundamental question should be: how many nodes do we really need? Obviously more is better, but it's difficult to say how concerned we should be without more information. I posted my thoughts last month: http://coinchomp.com/2014/03/19/bitcoin-nodes-many-enough/

I have begun working on my node monitoring project and will post updates if it results in me gaining any new insights about the network.

- Jameson

On 04/07/2014 07:34 AM, Mike Hearn wrote:
> At the start of February we had 10,000 bitcoin nodes. Now we have 8,500 and
> still falling:
> 
>    http://getaddr.bitnodes.io/dashboard/chart/?days=60
> 
> I know all the reasons why people *might* stop running a node (uses too
> much disk space, bandwidth, lost interest etc). But does anyone have any
> idea how we might get more insight into what's really going on? It'd be
> convenient if the subVer contained the operating system, as then we could
> tell if the bleed was mostly from desktops/laptops (Windows/Mac), which
> would be expected, or from virtual servers (Linux), which would be more
> concerning.
> 
> When you set up a Tor node, you can add your email address to the config
> file and the Tor project sends you emails from time to time about things
> you should know about. If we did the same, we could have a little exit
> survey: if your node disappears for long enough, we could email the
> operator and ask why they stopped.
> 
> 
> 
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