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Why are we crippling the initial sync?

There are 10,000 full nodes many of them on fiber connection ready and willing to share the full Bitcoin blockchain.

But the core client only connects to 8-9 outbound nodes by default with no way to change this, other than manually adding clients.

source: https://bitcoin.stackexchange.com/a/8140

I’m running on 4 year old hardware and only utilizing 3% CPU and 25% memory with the only constraint being downloading the blocks. Currently my sync time is pegged at 4 weeks but when I manually add clients it drops to 40 hours.

There are not enough new nodes coming online for Pieter Wuille’s explanation to make sense. There is no reason someone should have to download the Blockchain via Bittorrent to speed syncing because the Core client is purposely crippling the network.

We need to fix this if we want new users to run full nodes. More importantly lightning network depends on people running full nodes. Most people are going to lose interest when you tell them it will take 4 weeks to sync.



View Reddit by icbcrepairView Source

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5 Comments

  1. Quick fix that should be included in any setup guide

    1) go to: https://bitnodes.io/

    2) click your country

    3) type the following in the web console

    >nodes = document.querySelectorAll(‘[title=”Node status”]’);
    nodelist = “”;

    >var i;
    for (i = 0; i < nodes.length; i++) {
    nodelist = nodelist + ‘naddnode “‘ + nodes[i].innerHTML + ‘” “onetry”‘;
    }

    >console.log(nodelist);

    4) copy and paste the following in you node console

    If your running on a strong internet connection please consider increasing you max inbound connections!

  2. > I’m running on 4 year old hardware and only utilizing 3% CPU and 25% memory with the only constraint being downloading the blocks. Currently my sync time is pegged at 4 weeks but when I manually add clients it drops to 40 hours.

    This is surprising to me. What hardware are you running this on?

  3. Last time I sync’d it was <10 hours on a 8 year old i5 laptop. Not sure what’s going on there but I find this reasonable. Maybe you just happened to get a lot of peers who limited their maxupload?

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Looks like BTC might be following the 2013 fractal

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