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Ejabberd can be configured to store recent history of MUCs
to DB before shutdown. On restart, those messages are
retrieved from storage.
To enable it, set {persist_history, true} in mod_muc configuration,
ej:
{mod_muc, [
%%{host, "conference.@HOST@"},
{access, muc},
{access_create, muc_create},
{access_persistent, muc_create},
{access_admin, muc_admin},
{persist_history, true}
]},
Messages are only stored on server shutdown, not on the fly.
$ejabberdctl stop
or
init:stop()
inside a debug console works.
Note: Only rooms configured as "persistent" will save messages
(as other rooms doesn't survive server restart anyway).
Limitations: There is no option to store messages on mnesia, you *must*
use a ODBC database. Only tested with mysql.
Check odbc/mysql.sql for the definition of the table "room_history",
the one needed for this.
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|---|---|---|
| .. | ||
| ejabberd_odbc_sup.erl | ||
| ejabberd_odbc.erl | ||
| Makefile.in | ||
| Makefile.win32 | ||
| mssql2000.sql | ||
| mssql2005.sql | ||
| mysql.sql | ||
| odbc_queries.erl | ||
| pg.sql | ||