Performance bug in HTTP library affecting "cabal update"

Nicolas Wu nicolas.wu at gmail.com
Tue Dec 10 08:25:51 UTC 2013


On Mon, Dec 9, 2013 at 8:13 PM, Ganesh Sittampalam <ganesh at earth.li> wrote:
> Nice catch! I've uploaded 4000.2.10 with your fix (and no other changes
> from 4000.2.9, which itself only has dependency changes since 4000.2.8).
>
> I'm fine with this going into the upcoming HP release, but I don't have
> a strong opinion either way myself.
>
> It is a code change perhaps quite late in the day, albeit a small one
> with significant benefits; it's not fixing an out and out regression but
> on the other hand the problem is likely getting worse over time as the
> hackage index gets larger.

Nice catch indeed! The fix seems straight-forward and has pretty
important consequences. I think it would be worth pushing this into
the HP release if we can.


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