Chapril/xmpp.chapril.org-ejabberd
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improved explanation of "max_fsm_queue" option; included this option in ejabberd.cfg.example (EJAB-1185)

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ekhramtsov 2010-02-18 15:48:11 +09:00
parent 35e00ebcf6
commit e6c23e0413
2 changed files with 24 additions and 2 deletions
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20
doc/guide.tex
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@ -881,7 +881,15 @@ This is a detailed description of each option allowed by the listening modules:
The option can be defined in \term{ejabberd.cfg}, expressing the time The option can be defined in \term{ejabberd.cfg}, expressing the time
in seconds: \verb|{http_poll_timeout, 300}.| in seconds: \verb|{http_poll_timeout, 300}.|
\titem{\{max\_fsm\_queue, Size\}} \titem{\{max\_fsm\_queue, Size\}}
This option specifies the maximum number of elements in the queue of the FSM. This option specifies the maximum number of elements in the queue of the FSM
(Finite State Machine).
Roughly speaking, each message in such queues represents one XML
stanza queued to be sent into its relevant outgoing stream. If queue size
reaches the limit (because, for example, the receiver of stanzas is too slow),
the FSM and the corresponding connection (if any) will be terminated
and error message will be logged.
The reasonable value for this option depends on your hardware configuration.
However, there is no much sense to set the size above 1000 elements.
This option can be specified for \term{ejabberd\_service} and This option can be specified for \term{ejabberd\_service} and
\term{ejabberd\_c2s} listeners, \term{ejabberd\_c2s} listeners,
or also globally for \term{ejabberd\_s2s\_out}. or also globally for \term{ejabberd\_s2s\_out}.
@ -969,7 +977,15 @@ There are some additional global options that can be specified in the ejabberd c
The maximum allowed delay for retry to connect after a failed connection attempt. The maximum allowed delay for retry to connect after a failed connection attempt.
Specified in seconds. The default value is 300 seconds (5 minutes). Specified in seconds. The default value is 300 seconds (5 minutes).
\titem{\{max\_fsm\_queue, Size\}} \titem{\{max\_fsm\_queue, Size\}}
This option specifies the maximum number of elements in the queue of the FSM. This option specifies the maximum number of elements in the queue of the FSM
(Finite State Machine).
Roughly speaking, each message in such queues represents one XML
stanza queued to be sent into its relevant outgoing stream. If queue size
reaches the limit (because, for example, the receiver of stanzas is too slow),
the FSM and the corresponding connection (if any) will be terminated
and error message will be logged.
The reasonable value for this option depends on your hardware configuration.
However, there is no much sense to set the size above 1000 elements.
This option can be specified for \term{ejabberd\_service} and This option can be specified for \term{ejabberd\_service} and
\term{ejabberd\_c2s} listeners, \term{ejabberd\_c2s} listeners,
or also globally for \term{ejabberd\_s2s\_out}. or also globally for \term{ejabberd\_s2s\_out}.

6
src/ejabberd.cfg.example
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@ -343,6 +343,12 @@
%% %%
{shaper, fast, {maxrate, 50000}}. {shaper, fast, {maxrate, 50000}}.
%%
%% This option specifies the maximum number of elements in the queue
%% of the FSM. Refer to documentation for details.
%%
{max_fsm_queue, 1000}.
%%%. ==================== %%%. ====================
%%%' ACCESS CONTROL LISTS %%%' ACCESS CONTROL LISTS