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From: | Keigo Tanaka |
Subject: | Testing timeout of httpd by nc command with parallel |
Date: | Thu, 20 Oct 2011 18:36:01 +0900 |
Hi, I am testing the timeout values of multiple web servers. Here, the basic way to test one web server is like this: $ date; nc 192.168.0.2 80; date; Thu Oct 20 07:34:00 UTC 2011 Thu Oct 20 07:35:20 UTC 2011 * In this case, the timeout value is 80 seconds. I've changed this test into traditinal way of shell script, and of course it works well.(But long waiting time.) for i in 192.168.0.2 192.168.0.3 192.168.0.4 do echo $i ; date; nc $i 80; date; done Next, I tried following but it does not work properly. $ parallel -j 10000% "echo {}; date; nc {} 80; date;" ::: 192.168.0.2 192.168.0.3 192.168.0.4 Is it impossible to use nc with paralell? Do you know how to make it work well or any workaround? Best regards, Keigo |
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