Hi Benjamin,
Thanks for raising this issue, there was a default value used in the code
for RETRANSMISSION interval and I corrected it. Please take a checkout from
http://svn.apache.org/repos/asf/webservices/sandesha/branches/sandesha_1_0/
In addition if you set
<wsrm:BaseRetransmissionInterval Milliseconds="30"/>
<wsrm:AcknowledgementInterval Milliseconds="20"/>
values as above then every 30 ms it will send a retransmission and wait for
only 20 ms for an ack. So if you the link is fairly reliable and you need to
send a set of messages increase these values to
<wsrm:BaseRetransmissionInterval Milliseconds="5000"/>
<wsrm:AcknowledgementInterval Milliseconds="1000"/>
In my testing, it takes on average about 150ms for the round trip for the
echo operation (In tomcat not in SimpleAxisServer).
Remember the processing here is not similar to a simple soap request where
we don't have extensive header processing.
Thanks,
Jaliya
----- Original Message -----
From: "Benjamin Schmeling" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Thursday, June 01, 2006 5:21 AM
Subject: Sandesha1.0 Performance
Hi,
I wonder why Sandesha1.0 compared with simple Axis calls has extremely
high response times. I read a thread about this were you recommended to
edit the WSRMPolixy.xml.
I did this and set:
<wsrm:BaseRetransmissionInterval Milliseconds="30"/>
<wsrm:AcknowledgementInterval Milliseconds="20"/>
This results in no significant performance improvement.
Sandesha needs at least 5 messages according to the RM-Specification
(CreateSeq, CreateSeqRes, SequenceMsg, Acknowledgment, Terminate). This
would result in a 5 times higher response time. If I use a two-way call
this would be increase to 10 (because of the additional sequence for the
response message).
Additionally there is the delay of looking for messages in the queue.
A simple Axis call on my system needs approx. 6-8 ms. When I call the same
service by using Sandesha it needs 4000-5000ms (I would expect something
between 150-200ms). From what does this high response time result?.
Thanks,
Benjamin
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