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Siege Load Tester

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Published by RightScale Open Source on Jan 22, 2013Revision: 8 This component has been deprecated by the publisher.

Please import the latest revision



Siege is an http load testing and benchmarking utility. It was designed to let web developers measure their code under duress, to see how it will stand up to load on the internet. Siege supports basic authentication, cookies, HTTP and HTTPS protocols. It lets its user hit a web server with a configurable number of simulated web browsers. Those browsers place the server “under siege.”


SSH into the server and run the siege command:

### Load Test ###
# 30 concurrent users, with a random delay between requests from 0 to 2 seconds. This delay will average around 1 second
# sends around 30 requests/second for up to 10 minutes. Ctrl+C to stop and see the results.
siege -c30 -d2 -t10M

### Benchmark ###
# 30 concurrent users for up to 10 minutes. Ctrl+C to stop and see the results.
siege -c30 -t10M


Read the online manual for additional options:


  • MultiCloudImage: SoftLayerImage_Storage_CentOS_6.2_x64_v5.8 [rev 1]

  • MultiCloudImage: SoftLayerImage_CentOS_6.2_x64_v5.8 [rev 1]

  • MultiCloudImage: RightImage_Rackspace_NextGen_CentOS_6.3_x64_v5.8 [rev 2]

  • MultiCloudImage: RightImage_RHEL_6.3_x64_v5.8 [rev 1]

  • MultiCloudImage: RightImage_CentOS_6.3_x64_v5.8 [rev 18]

  • MultiCloudImage: RightImage_CentOS_6.3_x64_v5.8_EBS [rev 2]

  • MultiCloudImage: RightImage_CentOS_6.3_x64_v5.8_HVM_EBS [rev 1]

  • MultiCloudImage: RightImage_CentOS_6.3_x64_v5.8_KVM [rev 8]

  • MultiCloudImage: RightImage_CentOS_6.3_x64_v5.8_XenServer [rev 5]

  • MultiCloudImage: RightImage_CentOS_6.3_x64_v5.8_VMWare [rev 5]

  • RightScript: PERF siege install from src [rev 4]

  • RightScript: PERF Install sproxy for siege [rev 1]

  • RightScript: SYS Logrotate configure - v13.2.1 [rev 4]

  • RightScript: SYS Monitoring install - v13.2.1 [rev 15]

  • RightScript: SYS Timezone set - v13.2.1 [rev 4]

  • RightScript: PERF Install apache and gnuplot for siege [rev 3]

  • RightScript: MAIL Postfix local delivery - v13.2.1 [rev 10]

  • See More


Revision 33 | Nov 18, 2014

Upgrade to Siege 3.0.7

Revision 32 | Aug 29, 2014

updated ServerTemplate description

Revision 31 | May 09, 2014

using latest MCIs

Revision 30 | Feb 06, 2014

using the latest CentOS 6.5 MCIs



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Support Information

Support is limited to the RightScale Community.

Please post bugs and enhancement requests on the RightScale OSS forums. Feel free to join us on #rightscale IRC.