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From: Mike Hearn <mike@plan99.net>
To: Andreas Schildbach <andreas@schildbach.de>
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Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] SPV bitcoind?
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Yeah, what I meant is, it'd be useful to know the average amount of time
that the app was holding connections open for.


On Wed, Jul 17, 2013 at 4:32 PM, Andreas Schildbach
<andreas@schildbach.de>wrote:

> Android apps do whatever they are programmed to do. They become active
> when the user installs and inactive when they are uninstalled.
> Inbetween, they are not limited in runtime.
>
> That said, the current programming is that when receiving a block, it
> stays connected for at least ~2 more minutes. This generally allows the
> chain to catch up while at the same time avoiding endless battery drain
> because something gets stuck. Upon sending or receiving of a
> transaction, it stays connected for at least ~8 more minutes, because it
> is likely the wallet will see more activity.
>
> Additionally, on the send and request coins screens and the network
> monitor it stays connected for as long as the screen is on and the app
> in the foreground (= resumed state).
>
>
> On 07/17/2013 02:29 PM, Mike Hearn wrote:
>
> > Partial UTXO sets is a neat idea. Unfortunately my intuition is that
> > many SPV wallets only remain open for <1 minute at a time because the
> > user wants to see they received money, or to send it. It'd be neat to
> > get some telemetry from the Android wallet for this - I will ask Andreas
> > to let users opt in to usage statistics.
>
>
>
>
>
> ------------------------------------------------------------------------------
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<div dir=3D"ltr">Yeah, what I meant is, it&#39;d be useful to know the aver=
age amount of time that the app was holding connections open for.</div><div=
 class=3D"gmail_extra"><br><br><div class=3D"gmail_quote">On Wed, Jul 17, 2=
013 at 4:32 PM, Andreas Schildbach <span dir=3D"ltr">&lt;<a href=3D"mailto:=
andreas@schildbach.de" target=3D"_blank">andreas@schildbach.de</a>&gt;</spa=
n> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">Android apps do whatever they are programmed=
 to do. They become active<br>
when the user installs and inactive when they are uninstalled.<br>
Inbetween, they are not limited in runtime.<br>
<br>
That said, the current programming is that when receiving a block, it<br>
stays connected for at least ~2 more minutes. This generally allows the<br>
chain to catch up while at the same time avoiding endless battery drain<br>
because something gets stuck. Upon sending or receiving of a<br>
transaction, it stays connected for at least ~8 more minutes, because it<br=
>
is likely the wallet will see more activity.<br>
<br>
Additionally, on the send and request coins screens and the network<br>
monitor it stays connected for as long as the screen is on and the app<br>
in the foreground (=3D resumed state).<br>
<br>
<br>
On 07/17/2013 02:29 PM, Mike Hearn wrote:<br>
<br>
&gt; Partial UTXO sets is a neat idea. Unfortunately my intuition is that<b=
r>
&gt; many SPV wallets only remain open for &lt;1 minute at a time because t=
he<br>
&gt; user wants to see they received money, or to send it. It&#39;d be neat=
 to<br>
&gt; get some telemetry from the Android wallet for this - I will ask Andre=
as<br>
&gt; to let users opt in to usage statistics.<br>
<br>
<br>
<br>
<br>
---------------------------------------------------------------------------=
---<br>
See everything from the browser to the database with AppDynamics<br>
Get end-to-end visibility with application monitoring from AppDynamics<br>
Isolate bottlenecks and diagnose root cause in seconds.<br>
Start your free trial of AppDynamics Pro today!<br>
<a href=3D"http://pubads.g.doubleclick.net/gampad/clk?id=3D48808831&amp;iu=
=3D/4140/ostg.clktrk" target=3D"_blank">http://pubads.g.doubleclick.net/gam=
pad/clk?id=3D48808831&amp;iu=3D/4140/ostg.clktrk</a><br>
_______________________________________________<br>
Bitcoin-development mailing list<br>
<a href=3D"mailto:Bitcoin-development@lists.sourceforge.net">Bitcoin-develo=
pment@lists.sourceforge.net</a><br>
<a href=3D"https://lists.sourceforge.net/lists/listinfo/bitcoin-development=
" target=3D"_blank">https://lists.sourceforge.net/lists/listinfo/bitcoin-de=
velopment</a><br>
</blockquote></div><br></div>

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