[httperf] Understand concurrent connections output

Arlitt, Martin martin.arlitt at hp.com
Thu Dec 9 06:39:14 PST 2010


Hi Cooky

That is the maximum number of concurrent connections seen over the duration of the test, and is likely to vary from run to run, even if the test parameters are similar.

Thanks
Martin


From: httperf-bounces at linux.hpl.hp.com [mailto:httperf-bounces at linux.hpl.hp.com] On Behalf Of Suchada Pakapongpan
Sent: Thursday, December 09, 2010 6:16 AM
To: httperf at linux.hpl.hp.com
Subject: [httperf] Understand concurrent connections output

Hi,

I'd like to know httperf output here, when I test with rate =5 for 4 minutes.
O/P :Connection rate: 5.0 conn/s (199.8 ms/conn, <=143 concurrent connections)
this means for this rate at most 143 active concurrent connections that ESTABLISHED to this server. Is it right?

when I test with rate =5 for 10 minutes.
O/P :Connection rate: 5.0 conn/s (199.9 ms/conn, <=124 concurrent connections)

why I get the differnce  concurrent connections?  It should be the same value right?


Thanks,
Cooky
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