{"action":"opened","issue":{"url":"https://api.github.com/repos/edenhill/librdkafka/issues/647","repository_url":"https://api.github.com/repos/edenhill/librdkafka","labels_url":"https://api.github.com/repos/edenhill/librdkafka/issues/647/labels{/name}","comments_url":"https://api.github.com/repos/edenhill/librdkafka/issues/647/comments","events_url":"https://api.github.com/repos/edenhill/librdkafka/issues/647/events","html_url":"https://github.com/edenhill/librdkafka/issues/647","id":153648679,"number":647,"title":"Why is rd_kafka_toppar_producer_serve called 10/sec?","user":{"login":"MaximGurschi","id":18578793,"avatar_url":"https://avatars.githubusercontent.com/u/18578793?v=3","gravatar_id":"","url":"https://api.github.com/users/MaximGurschi","html_url":"https://github.com/MaximGurschi","followers_url":"https://api.github.com/users/MaximGurschi/followers","following_url":"https://api.github.com/users/MaximGurschi/following{/other_user}","gists_url":"https://api.github.com/users/MaximGurschi/gists{/gist_id}","starred_url":"https://api.github.com/users/MaximGurschi/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/MaximGurschi/subscriptions","organizations_url":"https://api.github.com/users/MaximGurschi/orgs","repos_url":"https://api.github.com/users/MaximGurschi/repos","events_url":"https://api.github.com/users/MaximGurschi/events{/privacy}","received_events_url":"https://api.github.com/users/MaximGurschi/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-05-08T10:42:08Z","updated_at":"2016-05-08T10:42:08Z","closed_at":null,"body":"I noticed this while using the .NET wrapper if i have the maximum debug level set on a producer, then i notice that this is called in librdkafka:\r\n\r\n`rd_rkb_dbg(rkb, QUEUE, \"TOPPAR\",\r\n                   \"%.*s [%\"PRId32\"] %i+%i msgs\",...`\r\n\r\n, 10 times per second. \r\n\r\nExample output is:\r\nrdkafka#producer-1|7|TOPPAR|_some machine_:9092/1: MyTopic [0] 0+0 msgs\r\n\r\nNot a problem per se - the producer does not generate network traffic as no messages are produced. I thought that increasing \"queue.buffering.max.ms\" would affect this frequency but it does not. Can you please shed some light onto the reason this is continuously called 10/sec?"}}