{"action":"created","issue":{"url":"https://api.github.com/repos/kubernetes/kubernetes/issues/14394","labels_url":"https://api.github.com/repos/kubernetes/kubernetes/issues/14394/labels{/name}","comments_url":"https://api.github.com/repos/kubernetes/kubernetes/issues/14394/comments","events_url":"https://api.github.com/repos/kubernetes/kubernetes/issues/14394/events","html_url":"https://github.com/kubernetes/kubernetes/issues/14394","id":107830623,"number":14394,"title":"Kubernetes SkyDNS Load Test","user":{"login":"ArtfulCoder","id":1220660,"avatar_url":"https://avatars.githubusercontent.com/u/1220660?v=3","gravatar_id":"","url":"https://api.github.com/users/ArtfulCoder","html_url":"https://github.com/ArtfulCoder","followers_url":"https://api.github.com/users/ArtfulCoder/followers","following_url":"https://api.github.com/users/ArtfulCoder/following{/other_user}","gists_url":"https://api.github.com/users/ArtfulCoder/gists{/gist_id}","starred_url":"https://api.github.com/users/ArtfulCoder/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ArtfulCoder/subscriptions","organizations_url":"https://api.github.com/users/ArtfulCoder/orgs","repos_url":"https://api.github.com/users/ArtfulCoder/repos","events_url":"https://api.github.com/users/ArtfulCoder/events{/privacy}","received_events_url":"https://api.github.com/users/ArtfulCoder/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/kubernetes/kubernetes/labels/area/networking","name":"area/networking","color":"006b75"}],"state":"open","locked":false,"assignee":{"login":"ArtfulCoder","id":1220660,"avatar_url":"https://avatars.githubusercontent.com/u/1220660?v=3","gravatar_id":"","url":"https://api.github.com/users/ArtfulCoder","html_url":"https://github.com/ArtfulCoder","followers_url":"https://api.github.com/users/ArtfulCoder/followers","following_url":"https://api.github.com/users/ArtfulCoder/following{/other_user}","gists_url":"https://api.github.com/users/ArtfulCoder/gists{/gist_id}","starred_url":"https://api.github.com/users/ArtfulCoder/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ArtfulCoder/subscriptions","organizations_url":"https://api.github.com/users/ArtfulCoder/orgs","repos_url":"https://api.github.com/users/ArtfulCoder/repos","events_url":"https://api.github.com/users/ArtfulCoder/events{/privacy}","received_events_url":"https://api.github.com/users/ArtfulCoder/received_events","type":"User","site_admin":false},"milestone":null,"comments":11,"created_at":"2015-09-23T00:36:02Z","updated_at":"2015-09-25T15:33:54Z","closed_at":null,"body":"Opened issue to track SkyDNS performance under load.\r\n\r\nI have a docker image artfulcoder/dnsperf:1.0 which has dnsperf installed along with dnsutils.\r\nCreated a 4-node cluster and created 4 pods with this image (one per node).\r\n\r\n\r\n### Ran DNSPerf\r\n`dnsperf -s 10.0.0.10 -d /kube-svcs -l 3600 -c 1000 -Q 60000 -v`\r\n\r\n### DNS Query File\r\n\r\nroot@abhi3:/# cat /kube-svcs \r\nkubernetes.default.cluster.local.       A\r\nheapster.kube-system.cluster.local.     A\r\nkube-registry.kube-system.cluster.local.        A\r\nkube-ui.kube-system.cluster.local.      A\r\nmonitoring-grafana.kube-system.cluster.local.   A\r\nmonitoring-influxdb.kube-system.cluster.local.  A\r\n\r\n\r\n\r\n### Statistics:\r\n\r\n  Queries sent:         2454640\r\n  Queries completed:    2454608 (100.00%)\r\n  Queries lost:         32 (0.00%)\r\n\r\n  Response codes:       NOERROR 2454542 (100.00%), NXDOMAIN 66 (0.00%)\r\n  Average packet size:  request 55, response 71\r\n  Run time (s):         3600.154376\r\n  Queries per second:   681.806318\r\n\r\n  Average Latency (s):  0.090622 (min 0.089607, max 45.006053)\r\n  Latency StdDev (s):   0.057879\r\n\r\n\r\n\r\n### Conclusion so far\r\nBarely any queries were dropped. This test was run from each pod simultaneously for 1 hour.\r\nEach pod simulated 1000 clients.."},"comment":{"url":"https://api.github.com/repos/kubernetes/kubernetes/issues/comments/143253521","html_url":"https://github.com/kubernetes/kubernetes/issues/14394#issuecomment-143253521","issue_url":"https://api.github.com/repos/kubernetes/kubernetes/issues/14394","id":143253521,"user":{"login":"ArtfulCoder","id":1220660,"avatar_url":"https://avatars.githubusercontent.com/u/1220660?v=3","gravatar_id":"","url":"https://api.github.com/users/ArtfulCoder","html_url":"https://github.com/ArtfulCoder","followers_url":"https://api.github.com/users/ArtfulCoder/followers","following_url":"https://api.github.com/users/ArtfulCoder/following{/other_user}","gists_url":"https://api.github.com/users/ArtfulCoder/gists{/gist_id}","starred_url":"https://api.github.com/users/ArtfulCoder/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ArtfulCoder/subscriptions","organizations_url":"https://api.github.com/users/ArtfulCoder/orgs","repos_url":"https://api.github.com/users/ArtfulCoder/repos","events_url":"https://api.github.com/users/ArtfulCoder/events{/privacy}","received_events_url":"https://api.github.com/users/ArtfulCoder/received_events","type":"User","site_admin":false},"created_at":"2015-09-25T15:33:54Z","updated_at":"2015-09-25T15:33:54Z","body":"resolve libc source code: https://sourceware.org/git/?p=glibc.git;a=blob;f=resolv/res_query.c;h=4a9b3b3f27288f1c6926082ba5aadcd0427b142e;hb=HEAD"}}