[ejabberd] Any scalability limitations with mnesia as the backend vs postgres?

Evgeniy Khramtsov xramtsov at gmail.com
Thu May 5 16:00:28 MSD 2011

05.05.2011 21:15, zhong ming wu wrote:
>>> I assume this is only in reference to the tables that could potentially be
>>> orders of magnitude larger than the amount of users/activities on the live
>>> system, correct? Such tables as passwd, roster, vcard etc. Since some
>>> tables
>>> (session, muc_online_room etc) *have* to be in Mnesia, they're out of the
>>> picture I guess, right?
> So if I store passwd, roster and vcard in a sql database memory
> consumption will be lower
> in the cluster?

It will be lower whether you use clustering or not. But if you prefer 
mnesia, then you can change types of passwd, rosters and vcard to 

Evgeniy Khramtsov, ProcessOne.
xmpp:xram at jabber.ru.

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