{"action":"created","issue":{"url":"https://api.github.com/repos/giltene/wrk2/issues/28","repository_url":"https://api.github.com/repos/giltene/wrk2","labels_url":"https://api.github.com/repos/giltene/wrk2/issues/28/labels{/name}","comments_url":"https://api.github.com/repos/giltene/wrk2/issues/28/comments","events_url":"https://api.github.com/repos/giltene/wrk2/issues/28/events","html_url":"https://github.com/giltene/wrk2/issues/28","id":178737067,"number":28,"title":"Failure to meet Rate","user":{"login":"koliaskostas","id":9149137,"avatar_url":"https://avatars.githubusercontent.com/u/9149137?v=3","gravatar_id":"","url":"https://api.github.com/users/koliaskostas","html_url":"https://github.com/koliaskostas","followers_url":"https://api.github.com/users/koliaskostas/followers","following_url":"https://api.github.com/users/koliaskostas/following{/other_user}","gists_url":"https://api.github.com/users/koliaskostas/gists{/gist_id}","starred_url":"https://api.github.com/users/koliaskostas/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/koliaskostas/subscriptions","organizations_url":"https://api.github.com/users/koliaskostas/orgs","repos_url":"https://api.github.com/users/koliaskostas/repos","events_url":"https://api.github.com/users/koliaskostas/events{/privacy}","received_events_url":"https://api.github.com/users/koliaskostas/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-09-22T22:29:01Z","updated_at":"2016-09-23T00:19:32Z","closed_at":null,"body":"I do: \r\n./wrk -t10 -c100 -d30s -R2000 --latency http://192.168.56.103/\r\n\r\nhowever the rate is never more than 450 r/s\r\n\r\nI can only achieve the desired rate for really low R values like 100 e.g.\r\n\r\nThe page I am hitting is static and fairly small (few Kb).\r\n\r\nThere are no socket errors or time-outs generated by the experiments.\r\n\r\nI run ubuntu 16.4 with 4.4.0-31-generic kernel in vm with 4 cores and 10GB RAM.\r\n\r\nAny chance that I have to enable or disable something for wrk2 to work properly?\r\n"},"comment":{"url":"https://api.github.com/repos/giltene/wrk2/issues/comments/249065664","html_url":"https://github.com/giltene/wrk2/issues/28#issuecomment-249065664","issue_url":"https://api.github.com/repos/giltene/wrk2/issues/28","id":249065664,"user":{"login":"ahothan","id":4954645,"avatar_url":"https://avatars.githubusercontent.com/u/4954645?v=3","gravatar_id":"","url":"https://api.github.com/users/ahothan","html_url":"https://github.com/ahothan","followers_url":"https://api.github.com/users/ahothan/followers","following_url":"https://api.github.com/users/ahothan/following{/other_user}","gists_url":"https://api.github.com/users/ahothan/gists{/gist_id}","starred_url":"https://api.github.com/users/ahothan/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ahothan/subscriptions","organizations_url":"https://api.github.com/users/ahothan/orgs","repos_url":"https://api.github.com/users/ahothan/repos","events_url":"https://api.github.com/users/ahothan/events{/privacy}","received_events_url":"https://api.github.com/users/ahothan/received_events","type":"User","site_admin":false},"created_at":"2016-09-23T00:19:32Z","updated_at":"2016-09-23T00:19:32Z","body":"We're using wrk in a vm and have no problem going over 1000rps.\r\nThe issue you have might be caused by your VM kernel timer config.\r\nHow is your kernel timer configured?\r\n\r\n$ egrep 'CONFIG_HZ|TIMERS' /boot/config-$(uname -r)\r\n# CONFIG_HZ_PERIODIC is not set\r\nCONFIG_HIGH_RES_TIMERS=y\r\n# CONFIG_HZ_100 is not set\r\nCONFIG_HZ_250=y\r\n# CONFIG_HZ_300 is not set\r\n# CONFIG_HZ_1000 is not set\r\nCONFIG_HZ=250\r\n"}}
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