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Apart from Dave's very good questions,
you should also check the server message logs. The MQTT servers I
know of will limit the number of outstanding messages that are
stored for a client or subscription. They may be being thrown
away by the server deliberately.
Ian
On 08/11/13 08:30, Dave Locke wrote:
Would not expect to
miss messages
A few questions:
Which client is being used - C,
Java
or _javascript_ ?
What QOS are the messages
published
at?
Is the client connecting with
cleansession
set to true or false?
Which MQTT server is being used?
Is it the publishing client also
the
subscribing client or are they two separate clients ?
Is there any patten to the
missing messages
e.g. the last 100... ?
Probably simplest way to handle
this
is to raise a bug on the paho bugzilla.
All the best
Dave
From:
Kasun Weranga
<kasungunathilake@xxxxxxxxx>
To:
paho-dev@xxxxxxxxxxx
Date:
08/11/2013 06:51
Subject:
[paho-dev] Message
loss with higher load - eclipse paho mqtt client
Sent by:
paho-dev-bounces@xxxxxxxxxxx
Hi all,
I am experience some message loss with high load
when
using eclipse paho mqtt client. I have subscribed to a set of
topics (clients/+)
and I did some load testing using eclipse paho mqtt client. I
saw my subscriber
only receiving first 120 messages when I publish messages to
(clients/+)
topics - Message publishing rate is above 400 messages per
second.
Is there any configuration that I need to set for
higher
load. How can I solve above issue.
Appreciate any help on solving this issue.
Thanks and Regards,
Kasun.
--
Kasun Weranga Gunathilake.
mobile:
+6594230423
LinkedIn: http://sg.linkedin.com/in/kasunwg
blog: http://kasunweranga.blogspot.com/
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