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muc history messages

Submitted by nets on Sun, 2015-11-08 07:16

Hi
where is history place that in muc that return them? is it muc_log files or mam?
please somebody help.

‹ help with mod_muc_room Clustering compatibility between ejabebrd versions? ›

The most recent messages in a

Submitted by badlop on Tue, 2015-11-10 18:16.

The most recent messages in a room are kept in the room process. They are not written to database or disk files.

It is possible to write the room messages into html files using mod_muc_log.

And it is possible to store room messages into database using mod_mam.

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thanks in advance and sorry

Submitted by nets on Wed, 2015-11-11 07:22.

thanks in advance and sorry for my english
when I set history_size to 10, group members dont receive ten message recently.

user1: HI every body
user2: join
user2: leave
user3 join
user3:leave
user3:join
user3: leave
user1: join
user1:leave
user2: join
user2: leave
server stores member's leave, join and chat message. I think server return leave and join to group members . am I right? where is place that server read message for return to group member? does not server use log file or mam to return message to group members ?
you means when if I use mod_muc_log and mam: true, will server store twice group message?
how solved my problem?

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nets wrote: thanks in advance

Submitted by badlop on Tue, 2015-11-17 17:28.
nets wrote:

thanks in advance and sorry for my english
when I set history_size to 10, group members dont receive ten message recently.

user1: HI every body
user2: join
user2: leave
user3 join
user3:leave
user3:join
user3: leave
user1: join
user1:leave
user2: join
user2: leave
server stores member's leave, join and chat message. I think server return leave and join to group members . am I right?

In my test, only messages are stored. When a new occupant joins the room, he only gets past messages, not the list of joins/leaves.

nets wrote:

where is place that server read message for return to group member? does not server use log file or mam to return message to group members ?

As I mentioned, room history for sending to new occupants is kept in the room process memory (in RAM). That feature is implemented in mod_muc_room.erl, and the protocol is specified in XEP-0045.

HTML logs are a feature implemented in mod_muc_log.erl

MAM storage is implemented in mod_mam.erl, and the protocol is specified in XEP-0313

As you can see, they are different features, so...

nets wrote:

you means when if I use mod_muc_log and mam: true, will server store twice group message?

... right, the room messages may be stored several times, in different places, for different purposes.

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thanks

Submitted by nets on Thu, 2015-11-19 04:34.

thanks

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Hi badlop. I have same

Submitted by taranis on Wed, 2015-11-18 15:09.

Hi badlop. I have same problem. you means if ejabberd server is restarted, will not users receive history message?

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taranis wrote: Hi badlop. I

Submitted by badlop on Thu, 2015-11-19 22:30.
taranis wrote:

Hi badlop. I have same problem. you means if ejabberd server is restarted, will not users receive history message?

Right: the history of recent room messages is only keep in RAM memory. This means that the history is empty when the server is started.

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If I clustering some ejabberd

Submitted by nets on Sun, 2015-12-06 07:00.

If I clustering some ejabberd server and then restart one of them. are removed history messages?

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Yes, because history messages

Submitted by badlop on Wed, 2015-12-09 12:13.

Yes, because history messages are stored in the room process memory, which lives in one node. If that node goes down, then the rooms go down, and their memory goes down.

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