This benchmark compares the speed at which different web servers deliver small static files using both non-keep-alive and keep-alive connections both on regular HTTP and HTTPS.
Summary
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LSWS HTTP Performance Gain
Concurrent Users Keep-Alive Apache 10 No 4.4x Yes 8.5x 100 No 4.0x Yes 6.0x -
LSWS HTTPS Performance Gain
Concurrent Users Keep-Alive Apache 10 No 5.5x Yes 2.0x 100 No 5.5x Yes 2.4x
Notes:
- The static file was 4.0K in size. We used such a small file to avoid saturating the network connection.
- The test was performed over a 10GBps network connection to make sure network bandwidth did not become a bottleneck.
- The benchmark simulated serving 10000 requests to 10 and 100 users.
Test Environment
Software:
LiteSpeed Enterprise 5.1.13 Apache 2.4.25 PHP 7.1.2 cPanel 62
Server hardware specs:
Intel Xeon X5660 Single Core @ 2.80GHz 2GB RAM 50GB HDD CloudLinux 7.3
Client hardware specs:
Intel Xeon E5-1620 Dual Core @ 3.60GHz 2GB RAM CentOS 6.8 with OpenVZ kernel 2.6.32-042stab116.1 Intel X540 10GBASE-T on board NIC
Network Switch:
Netgear XS708E-100NES 8-ports 10G switch
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