7/13/2023 0 Comments Ejabberd mnesia tablesThis seems to be a rather common problem: Googling for ‘remove ejabberd node’ or ‘remove mnesia node’ leads to no result (well: this page may change it after it got indexed -) ). That is solved later, when it starts ejabberd application, which calls ejabberdcommands:init, which deletes and creates the table with only local RAM. It provides many features such as: Replication. and move the new mnesia replica to the correct place: $ rm * Yes, ejabberdcluster:join() clusters all the mnesia tables including ejabberdcommands, which is undesired. Mnesia is in fact a high-performance key-value pair storage system built into the erlang library. Iq_response,muc_online_room ] 3 transactions committed, 0 aborted, 0 restarted, 0 logged to discĠ held locks, 0 in queue 0 local transactions, 0 remoteĠ transactions waits for other nodes: )4> mnesia:change_table_copy_type (schema, node (), disc_copies )5> mnesia:add_table_copy (roster, node (), disc_copies )6> mnesia:add_table_copy (passwd, node (), disc_copies )7> mnesia:change_table_copy_type (acl, node (), disc_copies )8> mnesia:change_table_copy_type (config, node (), disc_copies )9> mnesia:add_table_copy (offline_msg, node (), disc_only_copies )10> mnesia:add_table_copy (vcard, node (), disc_only_copies )11> mnesia:add_table_copy (private_storage, node (), disc_only_copies )12> q (). There is pretty supported action to move from Mnesia to SQL, a special command ejabberdctl export2sql (in older versions it used to be called export2odbc ). In ejabberdctl.cfg: set INET_DIST_INTERFACE=] = [reg_users_counter,route,s2s,.We will call the first node Install erlang and ejabberd SQL: MySQL Backend Patch for scram-sha512 SQLite: When. A series of table manipulation operations can be grouped into a single atomic transaction. WebAdmin: New simple pages to view mnesia tables information and content WebSocket: Fix typos. Note: If you are already running a single ejabberd node (called i’d recommend to simply dump mnesia and import it again: changing the node name might be too much work Tables can be replicated at several nodes. Posted on Some notes about ejabberd clustering Setup the first node
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