[Freeswitch-users] fifo taking > 5 seconds to bridge calls

[Matthew Fong]

I tried using fifo in an environment with about 9 agents last week, but ran
into some issues, that I'm trying to piece together. The system is setup on
a new ubuntu 64-bit machine and it should be plenty fast to handle this
load. The delay does not occur when testing with a single agent...so it's
hard for me to replicate on my vmware-based development machine, but thought
I'd toss this out to the community to see if anyone has any suggestions
I'm using fifo in the reverse sense, in that my "agents" are put into a
fifo, and an outbound call (a "contact") take an agent out of the fifo once
the call is answered. I did this because it is an outbound call center, not
an inbound one, and in reality I have agents waiting for a contact...not
callers waiting for an agent.

Anyway, on about all my calls the logs indicate (and the agents I'm working
with confirm), it appears to be taking > 5 seconds to actually bridge a call
once the outbound "contact" channel is answered by FS and the channel takes
an agent out of the fifo. I've attached a snipet of the fs.log and the
dialplan below. But from timestamps it appears the delay is caused somewhere
between these EXECUTE commands

EXECUTE sofia/external/1XXX4951027 set_user(default@)
EXECUTE sofia/external/1XXX4951027
db(insert/-spymap/1800XXX8234/aa763964-2933-11de-bbea-318f8f194b60)
EXECUTE sofia/external/1XXX4951027 db(insert/-last_dial/1800XXX8234/1990)
EXECUTE sofia/external/1XXX4951027
db(insert/-last_dial/global/aa763964-2933-11de-bbea-318f8f194b60)
EXECUTE sofia/external/1XXX4951027 answer()
EXECUTE sofia/external/1XXX4951027
set(fifo_caller_consumer_import=hh_stomp,hh_user)

when I looked at this..nothing pops out as out of the ordinary, that should
cause >5 seconds delay. Your thoughts please ..

Thanks.

--matt

Full Log:
2009-04-14 16:35:18 [DEBUG] mod_sofia.c:173 sofia_on_execute()
sofia/external/1XXX4951027 SOFIA EXECUTE
2009-04-14 16:35:18 [DEBUG] switch_core_state_machine.c:151
switch_core_standard_on_execute() sofia/external/1XXX4951027 Standard
EXECUTE
EXECUTE sofia/external/1XXX4951027 set(open=true)
2009-04-14 16:35:18 [DEBUG] mod_dptools.c:748 set_function()
sofia/external/1XXX4951027 SET [open]=[true]
EXECUTE sofia/external/1XXX4951027 set(use_profile=default)
2009-04-14 16:35:18 [DEBUG] mod_dptools.c:748 set_function()
sofia/external/1XXX4951027 SET [use_profile]=[default]
EXECUTE sofia/external/1XXX4951027 set_user(default@)
EXECUTE sofia/external/1XXX4951027
db(insert/-spymap/1800XXX8234/aa763964-2933-11de-bbea-318f8f194b60)
EXECUTE sofia/external/1XXX4951027 db(insert/-last_dial/1800XXX8234/1990)
EXECUTE sofia/external/1XXX4951027
db(insert/-last_dial/global/aa763964-2933-11de-bbea-318f8f194b60)
EXECUTE sofia/external/1XXX4951027 answer()
EXECUTE sofia/external/1XXX4951027
set(fifo_caller_consumer_import=hh_stomp,hh_user)
2009-04-14 16:35:42 [DEBUG] mod_dptools.c:748 set_function()
sofia/external/1XXX4951027 SET
[fifo_caller_consumer_import]=[hh_stomp,hh_user]
EXECUTE sofia/external/1XXX4951027 set(fifo_consumer_exit_key=5)
2009-04-14 16:35:42 [DEBUG] mod_dptools.c:748 set_function()
sofia/external/1XXX4951027 SET [fifo_consumer_exit_key]=[5]
EXECUTE sofia/external/1XXX4951027 fifo(2 out wait undef undef)
2009-04-14 16:35:42 [DEBUG] switch_channel.c:182 switch_channel_audio_sync()
sofia/external/1XXX4951027 receive message [AUDIO_SYNC]
2009-04-14 16:35:43 [DEBUG] switch_ivr_bridge.c:911
switch_ivr_multi_threaded_bridge() sofia/external/1XXX4951027 receive
message [BRIDGE]


Dialplan that Inbound "Contact" Calls are placed in
    <extension name="1990"><!--ag_incoming_q-->
      <condition field="destination_number" expression="^1990$">
        <action application="answer"/>
        <action application="set"
data="fifo_caller_consumer_import=hh_stomp,hh_user"/>
        <action application="set" data="fifo_consumer_exit_key=5"/>
        <action application="fifo" data="${ag_qcall} out wait undef
${ag_dnc_msg}"/>
      </condition>
    </extension>


Dialplan for "my" Agent Calls:
    <extension name="1992"><!--ag_wait-->
      <condition field="destination_number" expression="^1992$">
        <action application="playback" data="hh/hh-doorbell.wav"/>
        <action application="fifo" data="${ag_qcall} in currency/dollars.wav
$${hold_music}"/>
      </condition>
    </extension>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.freeswitch.org/pipermail/freeswitch-users/attachments/20090419/c8bbda5c/attachment-0002.html