system:benches10gbps:direct
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system:benches10gbps:direct [2012/10/02 18:02] ze dual |
system:benches10gbps:direct [2012/10/04 13:16] (current) ze add httpterm benches |
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| * on high load configuration, reducing the number of process to just have one per used core is better | * on high load configuration, reducing the number of process to just have one per used core is better | ||
| * 240k connections / seconds is doable with a single host | * 240k connections / seconds is doable with a single host | ||
| + | |||
| + | For some unknown reason (at the time of writing that documentation), the | ||
| + | connections highly drops for 1-2s, as can be seen on | ||
| + | [[http://www.hagtheil.net/files/system/benches10gbps/direct/bench-bad/nginx-bad/elastiques-nginx/|bench-bad/nginx-bad]] | ||
| + | graphs. I tried to avoid using results triggering such behaviour. Any ideas/hints on what could produce such are welcome. | ||
| + | |||
| + | ====== post-bench ====== | ||
| + | |||
| + | After publishing the first benches, someone adviced to use httpterm, instead of nginx. Unlike nginx, httpterm is aimed at only doing stress bench, and not serve real pages. | ||
| + | |||
| + | Bench using multi-process httpterm directly shows some bug. It still sends header, but fails to send data. Getting down to 1 process keep it running, but obviously not using all cores. | ||
| + | |||
| + | As we have 16 core for the web server, so 16 process with 1 IP each were launched, pinned with taskset on a cpu each. | ||
| + | |||
| + | file-0.cfg: | ||
| + | # taskset 000010 ./httpterm -D -f file-0.cfg | ||
| + | global | ||
| + | maxconn 30000 | ||
| + | ulimit-n 500000 | ||
| + | nbproc 1 | ||
| + | quiet | ||
| + | | ||
| + | listen proxy1 10.128.0.0:80 | ||
| + | object weight 1 name test1 code 200 size 200 | ||
| + | clitimeout 10000 | ||
| + | |||
| + | That gives up more connections per seconds: 278765 | ||
| + | |||
| + | |||
| + | That helps get even more requests per seconds, but we still get some stall at times. | ||
system/benches10gbps/direct.1349200944.txt.gz ยท Last modified: 2012/10/02 18:02 by ze
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