user/dev discussion of public-inbox itself
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From: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
To: Eric Wong <e@80x24.org>
Cc: meta@public-inbox.org
Subject: Re: message bloat over time...
Date: Wed, 2 Sep 2020 17:38:05 -0400
Message-ID: <20200902213805.5kth3pkyxl2owbmg@chatter.i7.local> (raw)
In-Reply-To: <20200902190525.GA11126@dcvr>

On Wed, Sep 02, 2020 at 07:05:25PM +0000, Eric Wong wrote:
> I've been indexing and reindexing a local mirror of
> https://lore.kernel.org/lkml a bit, and it's kinda depressing to
> see newer messages being more and more bloated even on a
> plain-text-only mailing list :<
> 
> The first column ("$X.git" is the epoch number, older epochs
> are lower-numbered: "0.git" is oldest, "8.git" (not shown) is
> the newest.  8.git is omitted since it's still in-progress,
> each epoch is capped at roughly ~1.1G of packed git storage.
> 
> The last column is the number of messages in that epoch,
> so fewer messages fit in each epoch:
> 
>   7.git counting 17d7e25e3e862d5d99182557bb723374230a8497 ... 312754
>   6.git counting bc9b3c196d0fc92a520e9ad4f92c4d3c1db1943f ... 346017
>   5.git counting 31ed379430c456f90bdd172b223020c0e6d7cb8d ... 379561

I'm not sure it's quite a fair comparison between 4 and 5, since the 
initial import was done from email sources that were heavily sanitized 
for headers -- both for privacy and for size. Everything we've been 
receiving since then carries untouched headers, which includes entire 
Received lines and all the DKIM/DMARC/SPF checking junk.

>   4.git counting 88294f6d487193f5984791ee81213a25130d0559 ... 416015
>   3.git counting 93d9eace2721494d8457c7f5f6de803c0d648172 ... 453851
>   2.git counting d48078ceeec1f51313253a56ed3ba0eae7fde909 ... 455366
>   1.git counting 6b67b9f5e0cd82d3c734e6cdc44c1f722ab6fb6a ... 475671
>   0.git counting b67bf7f62c8125d67461cc6e7d1736ddc8844a18 ... 570488
> 
> So yeah, old epochs could fit more messages because messages
> were smaller back then...

I've considered doing some header stripping, but I've opted to preserve 
them for provenance/authenticity reasons. I may still change my mind at 
some point. :)

-K

      reply	other threads:[~2020-09-02 21:38 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-02 19:05 Eric Wong
2020-09-02 21:38 ` Konstantin Ryabitsev [this message]

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user/dev discussion of public-inbox itself

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