[ejabberd] mnesia stuck

Carlos Abalde carlos.abalde at gmail.com
Thu Dec 3 14:15:54 MSK 2009


Has anybody had the following problem with ejabberd?: lots of concurrent
XMMP connections abruptly closed at the same time by users (perhaps an
ISP connection failure or whatever) and then mnesia stuck blocking
access for further connections?

A 'mnesia:info' call shows lots of processes holding locks, other
waiting for locks and a lot of coordinator transactions. For some reason
mnesia is stuck, and the sessions table full of rows, but user
connections are already closed. As a consequence no more users can log
into the server. Any ideas? Btw, the ETS limit is high enough (if fact,
when that situation is reached, for a standard ETS limit, mnesia break
due to the hig number of concurrent/stuck transactions).



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