{"action":"created","issue":{"url":"https://api.github.com/repos/elastic/logstash/issues/2793","labels_url":"https://api.github.com/repos/elastic/logstash/issues/2793/labels{/name}","comments_url":"https://api.github.com/repos/elastic/logstash/issues/2793/comments","events_url":"https://api.github.com/repos/elastic/logstash/issues/2793/events","html_url":"https://github.com/elastic/logstash/issues/2793","id":60098840,"number":2793,"title":"logstash benchmark?","user":{"login":"fandrei","id":628220,"avatar_url":"https://avatars.githubusercontent.com/u/628220?v=3","gravatar_id":"","url":"https://api.github.com/users/fandrei","html_url":"https://github.com/fandrei","followers_url":"https://api.github.com/users/fandrei/followers","following_url":"https://api.github.com/users/fandrei/following{/other_user}","gists_url":"https://api.github.com/users/fandrei/gists{/gist_id}","starred_url":"https://api.github.com/users/fandrei/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/fandrei/subscriptions","organizations_url":"https://api.github.com/users/fandrei/orgs","repos_url":"https://api.github.com/users/fandrei/repos","events_url":"https://api.github.com/users/fandrei/events{/privacy}","received_events_url":"https://api.github.com/users/fandrei/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/elastic/logstash/labels/tests-infra","name":"tests-infra","color":"bfd4f2"}],"state":"open","locked":false,"assignee":{"login":"suyograo","id":1595958,"avatar_url":"https://avatars.githubusercontent.com/u/1595958?v=3","gravatar_id":"","url":"https://api.github.com/users/suyograo","html_url":"https://github.com/suyograo","followers_url":"https://api.github.com/users/suyograo/followers","following_url":"https://api.github.com/users/suyograo/following{/other_user}","gists_url":"https://api.github.com/users/suyograo/gists{/gist_id}","starred_url":"https://api.github.com/users/suyograo/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/suyograo/subscriptions","organizations_url":"https://api.github.com/users/suyograo/orgs","repos_url":"https://api.github.com/users/suyograo/repos","events_url":"https://api.github.com/users/suyograo/events{/privacy}","received_events_url":"https://api.github.com/users/suyograo/received_events","type":"User","site_admin":false},"milestone":null,"comments":21,"created_at":"2015-03-06T12:59:39Z","updated_at":"2016-01-20T13:52:15Z","closed_at":null,"body":"The latest changelog says:\r\n\r\n```\r\nPerformance improvements: Logstash 1.5.0 is much faster -- we have improved the throughput \r\n    of grok filter in some cases by 100%. In our benchmark testing, using only grok filter and\r\n    ingesting apache logs, throughput increased from 34K eps to 50K eps. \r\n```\r\n\r\nWhere can I find this benchmark?"},"comment":{"url":"https://api.github.com/repos/elastic/logstash/issues/comments/173210439","html_url":"https://github.com/elastic/logstash/issues/2793#issuecomment-173210439","issue_url":"https://api.github.com/repos/elastic/logstash/issues/2793","id":173210439,"user":{"login":"fajabird","id":1955116,"avatar_url":"https://avatars.githubusercontent.com/u/1955116?v=3","gravatar_id":"","url":"https://api.github.com/users/fajabird","html_url":"https://github.com/fajabird","followers_url":"https://api.github.com/users/fajabird/followers","following_url":"https://api.github.com/users/fajabird/following{/other_user}","gists_url":"https://api.github.com/users/fajabird/gists{/gist_id}","starred_url":"https://api.github.com/users/fajabird/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/fajabird/subscriptions","organizations_url":"https://api.github.com/users/fajabird/orgs","repos_url":"https://api.github.com/users/fajabird/repos","events_url":"https://api.github.com/users/fajabird/events{/privacy}","received_events_url":"https://api.github.com/users/fajabird/received_events","type":"User","site_admin":false},"created_at":"2016-01-20T13:52:15Z","updated_at":"2016-01-20T13:52:15Z","body":"Next I wanted to find out why my first results were much lower and I did. \r\n\r\nLS 1.5.6: \r\n\r\nold pipeline with dnsmasq-lookups: 1800 EPS\r\nold pipeline without DNS-filter: 3400 EPS\r\n\r\nI conclude that LS 1.5.6 suffers a lot if dns filter is beeing used although top reports only 5% cpuload on a single core by dnsmasq.\r\n\r\nWith LS 1.4 performance drop by DNS is much lower or not existing at all. \r\n\r\nold pipeline with dnsmasq-lookups: 3200 EPS\r\nold pipeline without DNS-filter: 3300 EPS\r\n\r\n\r\n"}}