Am 24.04.2009 um 10:52 schrieb Mickael Remond:
On this specific topic, for those interested, we manage to run decent corporate server (more than 500 concurrent users) on a Linux PDA.
ejabberd only performs without TLS. If you enable TLS, it eats gigantic sums of RAM. For example, for only 10 online users, it eats 90 MB for me (all using TLS, cert is 4096 bit). I really doubt that 500 users using TLS will work on for example Christophes Zaurus (I guess this is what you are referring to, right?) ;).
Same for PubSub in ejabberd, it doesn't scale very well, too. 2 days ago, mod_caps would eat 100% CPU for a very long time on my server, with only a few users. But fortunately, Christophe started rewriting it :).
For OpenFire / Tigase and all the others that came after ejabberd, they have one common problem IMO: Java. Java is a real PITA if your OS is neither Solaris nor Windows nor Linux. And the real new servers, like for example Prosody, still lack too many features to be an alternative to ejabberd atm.
-- Jonathan
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