{"action":"created","issue":{"url":"https://api.github.com/repos/edenhill/librdkafka/issues/291","labels_url":"https://api.github.com/repos/edenhill/librdkafka/issues/291/labels{/name}","comments_url":"https://api.github.com/repos/edenhill/librdkafka/issues/291/comments","events_url":"https://api.github.com/repos/edenhill/librdkafka/issues/291/events","html_url":"https://github.com/edenhill/librdkafka/issues/291","id":81389317,"number":291,"title":"Question - Variance in throughput using rdkafka_performance","user":{"login":"prabcs","id":4270624,"avatar_url":"https://avatars.githubusercontent.com/u/4270624?v=3","gravatar_id":"","url":"https://api.github.com/users/prabcs","html_url":"https://github.com/prabcs","followers_url":"https://api.github.com/users/prabcs/followers","following_url":"https://api.github.com/users/prabcs/following{/other_user}","gists_url":"https://api.github.com/users/prabcs/gists{/gist_id}","starred_url":"https://api.github.com/users/prabcs/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/prabcs/subscriptions","organizations_url":"https://api.github.com/users/prabcs/orgs","repos_url":"https://api.github.com/users/prabcs/repos","events_url":"https://api.github.com/users/prabcs/events{/privacy}","received_events_url":"https://api.github.com/users/prabcs/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2015-05-27T10:29:33Z","updated_at":"2015-05-27T10:55:03Z","closed_at":"2015-05-27T10:55:03Z","body":"Hi,\r\n\r\nI've seen a variance in throughput when the same command is run multiple times using rdkafka_performance.\r\nThis is the command that I've used:-\r\n\r\n time /client_kafka/librdkafka-master/examples/rdkafka_performance -P -t temp4 -s 1024 -c 1048576  -b x.x.x.x:9092,y.y.y.y:9092,z.z.z.z:9092 -u -i 100\r\n\r\nThe dr_MB/s (i.e. the throughput ) varies between 104MB/s to 125MB/s in consecutive runs.\r\nWhat could be the possible explanation for this?\r\n"},"comment":{"url":"https://api.github.com/repos/edenhill/librdkafka/issues/comments/105867371","html_url":"https://github.com/edenhill/librdkafka/issues/291#issuecomment-105867371","issue_url":"https://api.github.com/repos/edenhill/librdkafka/issues/291","id":105867371,"user":{"login":"prabcs","id":4270624,"avatar_url":"https://avatars.githubusercontent.com/u/4270624?v=3","gravatar_id":"","url":"https://api.github.com/users/prabcs","html_url":"https://github.com/prabcs","followers_url":"https://api.github.com/users/prabcs/followers","following_url":"https://api.github.com/users/prabcs/following{/other_user}","gists_url":"https://api.github.com/users/prabcs/gists{/gist_id}","starred_url":"https://api.github.com/users/prabcs/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/prabcs/subscriptions","organizations_url":"https://api.github.com/users/prabcs/orgs","repos_url":"https://api.github.com/users/prabcs/repos","events_url":"https://api.github.com/users/prabcs/events{/privacy}","received_events_url":"https://api.github.com/users/prabcs/received_events","type":"User","site_admin":false},"created_at":"2015-05-27T10:55:03Z","updated_at":"2015-05-27T10:55:03Z","body":"Thanks"}}