[ejabberd] mod_muc_odbc performance/memory issues with room with massive set of affiliations

Evgeniy Khramtsov xramtsov at gmail.com
Sun Nov 18 06:33:11 MSK 2012

On 17.11.2012 14:57, Michael Amundson wrote:
> Hi again, and apologies for all these ODBC-related questions I keep 
> raising.
> I have a MUC with a rather large number of affiliations associated 
> with it (around 95,000). While migrating to mod_muc_odbc, I've noticed 
> that adding new affiliations to this MUC take around 12 to 15 seconds 
> to complete, during which the CPU is spinning at nearly 100%...

I did some improvements in the data serialization. Pushed into 
origin/2.1.x. The patch is also attached to this email for those who are 

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

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