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From: Dave Smith <dizzyd@dizzyd•com>
To: Mike Hearn <mike@plan99•net>
Cc: bitcoin-development@lists•sourceforge.net
Subject: Re: [Bitcoin-development] Bumping up against flood control limits again?
Date: Tue, 14 Jun 2011 11:07:59 -0600	[thread overview]
Message-ID: <BANLkTinFaj+vXD4uOqaA63j9sA2vrq3bbg@mail.gmail.com> (raw)
In-Reply-To: <BANLkTinuEayfr5S9NEcW+cTLpv2r8iwRgDXYniOAHgQ43zwGqQ@mail.gmail.com>

Does it make more sense to have the flood limit based on size in bytes
versus # of blocks?

(I'm a n00b, so pardon my ignorance). :)

D.

On Tue, Jun 14, 2011 at 10:44 AM, Mike Hearn <mike@plan99•net> wrote:
> Block sizes have started to get quite large once again. Whilst testing
> chain download today I was disconnected due to going over the 10mb
> flood control limit. Infuriatingly, I can't reproduce this reliably.
> But at 500 blocks an average of 20kb per block will cause this. As we
> can see from the block explorer, the average is probably quite close
> to that.
>
> The flood control seems like a pretty serious scalability limitation.
> I can see a few solutions. One is to raise the limit again. Another is
> to raise the limit and simultaneously lower the batch size. 500 blocks
> in one message means very large messages no matter how big the flood
> control limit is. Going down to 100 or even 50 would hurt chain
> download speed quite a bit in high latency environments, but chain
> download is already a serious bottleneck.
>
> Thoughts?
>
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  reply	other threads:[~2011-06-14 17:08 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-14 16:44 Mike Hearn
2011-06-14 17:07 ` Dave Smith [this message]
2011-06-14 17:14 ` Jeff Garzik

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