{"action":"created","issue":{"url":"https://api.github.com/repos/erlio/vernemq/issues/474","repository_url":"https://api.github.com/repos/erlio/vernemq","labels_url":"https://api.github.com/repos/erlio/vernemq/issues/474/labels{/name}","comments_url":"https://api.github.com/repos/erlio/vernemq/issues/474/comments","events_url":"https://api.github.com/repos/erlio/vernemq/issues/474/events","html_url":"https://github.com/erlio/vernemq/issues/474","id":247702287,"number":474,"title":"Load testing of subscription","user":{"login":"tremoteye","id":29115186,"avatar_url":"https://avatars2.githubusercontent.com/u/29115186?v=4","gravatar_id":"","url":"https://api.github.com/users/tremoteye","html_url":"https://github.com/tremoteye","followers_url":"https://api.github.com/users/tremoteye/followers","following_url":"https://api.github.com/users/tremoteye/following{/other_user}","gists_url":"https://api.github.com/users/tremoteye/gists{/gist_id}","starred_url":"https://api.github.com/users/tremoteye/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tremoteye/subscriptions","organizations_url":"https://api.github.com/users/tremoteye/orgs","repos_url":"https://api.github.com/users/tremoteye/repos","events_url":"https://api.github.com/users/tremoteye/events{/privacy}","received_events_url":"https://api.github.com/users/tremoteye/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2017-08-03T13:14:00Z","updated_at":"2017-08-03T19:05:02Z","closed_at":null,"body":"Hello,\r\n\r\nIs there any load testing result of subscription (not publishing messages)?\r\nIf yes, please share the information.\r\n\r\nThe result simply is like that\r\n10k subscriptions per sec can be accepted.\r\n\r\nAppreciate in advance."},"comment":{"url":"https://api.github.com/repos/erlio/vernemq/issues/comments/320061454","html_url":"https://github.com/erlio/vernemq/issues/474#issuecomment-320061454","issue_url":"https://api.github.com/repos/erlio/vernemq/issues/474","id":320061454,"user":{"login":"dergraf","id":155396,"avatar_url":"https://avatars3.githubusercontent.com/u/155396?v=4","gravatar_id":"","url":"https://api.github.com/users/dergraf","html_url":"https://github.com/dergraf","followers_url":"https://api.github.com/users/dergraf/followers","following_url":"https://api.github.com/users/dergraf/following{/other_user}","gists_url":"https://api.github.com/users/dergraf/gists{/gist_id}","starred_url":"https://api.github.com/users/dergraf/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dergraf/subscriptions","organizations_url":"https://api.github.com/users/dergraf/orgs","repos_url":"https://api.github.com/users/dergraf/repos","events_url":"https://api.github.com/users/dergraf/events{/privacy}","received_events_url":"https://api.github.com/users/dergraf/received_events","type":"User","site_admin":false},"created_at":"2017-08-03T19:05:02Z","updated_at":"2017-08-03T19:05:02Z","body":"I think it really depends on how those subscriptions enter VerneMQ, e.g.:\r\n\r\n1. [10'000 Clients send CONNECT, every client issues SUBSCRIBE with one topic/qos pair]/Second\r\n2. [100 Clients send CONNECT, every client issues SUBSCRIBE with 100 topic/qos pairs]/Second\r\n\r\nThe way VerneMQ currently works Scenario 1 will produce a much higher load wrt. to CPU, Memory, Network IO than Scenario 2."}}
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