[erlang-questions] Some notes on making a random erlang program (egitd) faster

Jay True <>
Sat Feb 26 15:16:50 CET 2011


I'm sorry, what I want to say is that there may be some error in
Andrew's current version.

On Sat, Feb 26, 2011 at 9:47 PM, Alain O'Dea <> wrote:
> Hi Jay,
>
> egitd was created by Tom Preston-Werner (@mojombo) for GitHub.  Andrew used
> it as a project example for performance tuning.
>
> Design considerations aside from performance weren't part of the primary
> goal of Andrew's experiment.
>
> You should fork Andrew's egitd and experiment with best practices
> refactoring and write a blog article ;)
>
> Cheers,
> Alain
>
>
> On Sat, Feb 26, 2011 at 2:17 AM, Jay True <> wrote:
>>
>> Hello Andrew,
>>
>> I'm trying your egitd and found that there are two calling of conf
>> module's function which should be egitd_conf instead.
>>
>> On Sat, Feb 12, 2011 at 11:21 AM, Andrew Thompson <>
>> wrote:
>> > Just for something to do this week, I decided to pick a random erlang
>> > project that was a failure due to its speed and see if I could make it
>> > fast enough to compete. I picked egitd (the erlang git daemon that
>> > github wrote) because it was a fairly public failure. It took me ~4
>> > hours from first grabbing the code to get its performance very close to
>> > git-daemon. I also removed ~1500 LOC along the way.
>> >
>> > Here's the in-depth notes on what I did, as a series of blog articles:
>> >
>> > http://andrew.hijacked.us/by_keyword/328/egit
>> >
>> > Hopefully someone will find this useful and/or won't blame the failure
>> > of egitd on erlang.
>> >
>> > Andrew
>> >
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