[ejabberd] Ejabberd hardware requirements for very high load

Kirk Bateman kirk.bateman at gmail.com
Wed Jan 11 15:39:11 MSK 2012


David,

I'm actually presuming that they are still using ejabberd, yes partly
because of the erlang bit in their articles, but also because they were
previously looking for ejabberd experienced developers and I THINK they
might have mentioned it a few years ago (when they started).

It would be nice to hear a bit more detail about their setup, although I
suspect that might count as company secrets :)

Bear in mind that from the articles they are running those 2 million
connections on a single machine.

Unfortunately one of the best guides to setting up ejabberd clustering,
seems to have gone offline
http://liferayz.com/how-to-setup-clustering-in-ejabberd-tutorial/ perhaps
someone has an archived copy of that ? (its not on the wayback machine I
checked).

Cheers

Kirk

On 11 January 2012 11:04, David Chan <chan_hok_ching at yahoo.com> wrote:

> Hi all,
>
> I've read the two whatsapp blog articles, and I'm very interested:
>
> 1. They mentioned Erlang. That means they're using ejabberd?
> 2. Since scaling ejabberd is just a matter of adding nodes, what exactly
> is the work needed to do in order to scale to the whatsapp scale? (yes I
> don't have much idea on the clustering thing)
>
> Rgds,
> David
>
> On 11/1/2012 17:00, ejabberd-request at jabber.ru wrote:
>
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>>    1. Ejabberd hardware requirements for very high load (Michael Weibel)
>>    2. Re: Ejabberd hardware requirements for very high load
>>       (Kirk Bateman)
>>
>>
>> ------------------------------**------------------------------**
>> ----------
>>
>> Message: 1
>> Date: Tue, 10 Jan 2012 16:49:57 +0100
>> From: Michael Weibel<michael.weibel+xmpp@**gmail.com<michael.weibel%2Bxmpp at gmail.com>
>> >
>> To: ejabberd at jabber.ru
>> Subject: [ejabberd] Ejabberd hardware requirements for very high load
>> Message-ID:
>>        <CAFRrLeU4xgC2TuLtY7HrXJt2HNK+**SnrruPX4gudOB77By5tLhg at mail.**
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>>
>> Hi all,
>>
>> I'm currently evaluating ejabberd for my company. We expect to have a very
>> high load and I'd like to know how many connections/clients a single
>> ejabberd node can handle at which hardware requirements.
>> Of course we will cluster our nodes but of course it would be nice to know
>> some figures.
>>
>> I searched across the web but sadly couldn't find anything, so if I missed
>> something: I'm sorry and it would be nice if you could point me to some
>> articles.
>>
>> Thank you very much,
>> Michael
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>>
>> ------------------------------
>>
>> Message: 2
>> Date: Tue, 10 Jan 2012 16:13:13 +0000
>> From: Kirk Bateman<kirk.bateman at gmail.com**>
>> To: ejabberd at jabber.ru
>> Subject: Re: [ejabberd] Ejabberd hardware requirements for very high
>>        load
>> Message-ID:
>>        <CAODC924EgCOJi00mExYF_**dz29WPCHbVMx=rEBu=eA1bbsYfgGg@**
>> mail.gmail.com <eA1bbsYfgGg at mail.gmail.com>>
>> Content-Type: text/plain; charset="iso-8859-1"
>>
>>
>> Well,
>>
>> For example the whatsapp guys (wonder if they are still on this list ?
>> Brian ??) have a scant but pretty awesome article for the new year...
>>
>> http://blog.whatsapp.com/**index.php/2012/01/1-million-**is-so-2011/<http://blog.whatsapp.com/index.php/2012/01/1-million-is-so-2011/>
>>
>> Cheers
>>
>> Kirk
>>
>> On 10 January 2012 15:49, Michael Weibel<michael.weibel+xmpp@**gmail.com<michael.weibel%2Bxmpp at gmail.com>
>> >wrote:
>>
>>  Hi all,
>>>
>>> I'm currently evaluating ejabberd for my company. We expect to have a
>>> very
>>> high load and I'd like to know how many connections/clients a single
>>> ejabberd node can handle at which hardware requirements.
>>> Of course we will cluster our nodes but of course it would be nice to
>>> know
>>> some figures.
>>>
>>> I searched across the web but sadly couldn't find anything, so if I
>>> missed
>>> something: I'm sorry and it would be nice if you could point me to some
>>> articles.
>>>
>>> Thank you very much,
>>> Michael
>>>
>>>
>>>
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