Normally when running an Erlang application (like Ejabberd) using Mnesia internal database in a heavy loaded environment you run into the following log message: =ERROR REPORT==== 23-Jun-2010::00:59:19 === Mnesia(node@server): ** WARNING ** Mnesia is overloaded: {dump_log, write_threshold} This warning event is usually shown when using mnesia disc_copies tables and doing a lot of writes to [...]