[httperf] Server response hangs until timeout

[Arlitt, Martin]

Hi Tom

I believe the issue is you need to explicitly add a '\n' at the end of your --add-header option. If you run httperf with the --print-request=header and --print-reply=header options, this may help you see if this is in fact the case.

Thanks
Martin


-----Original Message-----
From: httperf-bounces at linux.hpl.hp.com [mailto:httperf-bounces at linux.hpl.hp.com] On Behalf Of Galvin, Tom (HP Cloud Services)
Sent: Wednesday, February 15, 2012 4:03 AM
To: httperf at linux.hpl.hp.com
Subject: [httperf] Server response hangs until timeout

Hi

I am looking into using httperf to profile the Openstack API server.

I have been able to run httperf on an (over) simplified ping-pong example but run into problems hen a GET request is run against the API server itself.

httperf --server x.x.x.x --port=8774 --client=0/1 --uri
/v1.1/myproject/servers/detail?fresh=1329234243.33 --hog --method GET --add-header "X-Auth-Project-Id: myproject\nUser-Agent: 
python-novaclient\nX-Auth-Token: XXXXXXXXXXX" --rate 1 --num-conns=1
--timeout=5 --num-calls=1 --recv-buffer=4096 --verbose

Tailing the logs I see the request gets processed by the server, but only after the timeout is breached.

Hence I get the reported Errors:

Errors: total 1 client-timo 1 socket-timo 0 connrefused 0 connreset 0

Similarly Wireshark shows the GET request immediately but the reply doesn't show until after the timeout.

Thanks for your help

Tom
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