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Date: Thu, 30 May 2024 18:20:57 +0000
From: Peter Todd <pete@petertodd.org>
To: Juan David =?iso-8859-1?Q?Pe=F1a?= Melo <jdom1824@gmail.com>
Cc: Bitcoin Development Mailing List <bitcoindev@googlegroups.com>
Subject: Re: [bitcoindev] How was the average size of blk*.data chosen?
Message-ID: <ZljDiesLp29yqipn@petertodd.org>
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On Mon, May 06, 2024 at 06:23:47PM -0700, Juan David Pe=C3=B1a Melo wrote:
> I notice that the Bitcoin database is stored sequentially in blk*.dat=20
> files, with an average size between 128 to 134MB. I would like to know ho=
w=20
> this average size is determined and if there are any tests that demonstra=
te=20
> this size is the most efficient.

Most likely someone just picked a number at random. For things like this, t=
here
is a very wide range of values that are probably fine. The main limiting fa=
ctor
at the high end, is some older file systems still don't support files >4GB,=
 so
you'd want to pick a value below that; Monero all block data in a single fi=
le,
and that occasionally leads to issues when, eg, copying that file from one
place to another. At the low end, having tens of thousands of files in one
directory tends to cause problems.

--=20
https://petertodd.org 'peter'[:-1]@petertodd.org

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