{"action":"created","issue":{"url":"https://api.github.com/repos/grpc/grpc/issues/16904","repository_url":"https://api.github.com/repos/grpc/grpc","labels_url":"https://api.github.com/repos/grpc/grpc/issues/16904/labels{/name}","comments_url":"https://api.github.com/repos/grpc/grpc/issues/16904/comments","events_url":"https://api.github.com/repos/grpc/grpc/issues/16904/events","html_url":"https://github.com/grpc/grpc/pull/16904","id":370854019,"node_id":"MDExOlB1bGxSZXF1ZXN0MjIzNDM3NDcx","number":16904,"title":"Channel Tracing Name Resolution Support","user":{"login":"ncteisen","id":6148140,"node_id":"MDQ6VXNlcjYxNDgxNDA=","avatar_url":"https://avatars1.githubusercontent.com/u/6148140?v=4","gravatar_id":"","url":"https://api.github.com/users/ncteisen","html_url":"https://github.com/ncteisen","followers_url":"https://api.github.com/users/ncteisen/followers","following_url":"https://api.github.com/users/ncteisen/following{/other_user}","gists_url":"https://api.github.com/users/ncteisen/gists{/gist_id}","starred_url":"https://api.github.com/users/ncteisen/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ncteisen/subscriptions","organizations_url":"https://api.github.com/users/ncteisen/orgs","repos_url":"https://api.github.com/users/ncteisen/repos","events_url":"https://api.github.com/users/ncteisen/events{/privacy}","received_events_url":"https://api.github.com/users/ncteisen/received_events","type":"User","site_admin":false},"labels":[{"id":930203486,"node_id":"MDU6TGFiZWw5MzAyMDM0ODY=","url":"https://api.github.com/repos/grpc/grpc/labels/area/channelz","name":"area/channelz","color":"efdb40","default":false},{"id":218696181,"node_id":"MDU6TGFiZWwyMTg2OTYxODE=","url":"https://api.github.com/repos/grpc/grpc/labels/lang/core","name":"lang/core","color":"fad8c7","default":false},{"id":961832073,"node_id":"MDU6TGFiZWw5NjE4MzIwNzM=","url":"https://api.github.com/repos/grpc/grpc/labels/release%20notes:%20no","name":"release notes: no","color":"0f5f75","default":false}],"state":"open","locked":false,"assignee":{"login":"markdroth","id":18664614,"node_id":"MDQ6VXNlcjE4NjY0NjE0","avatar_url":"https://avatars2.githubusercontent.com/u/18664614?v=4","gravatar_id":"","url":"https://api.github.com/users/markdroth","html_url":"https://github.com/markdroth","followers_url":"https://api.github.com/users/markdroth/followers","following_url":"https://api.github.com/users/markdroth/following{/other_user}","gists_url":"https://api.github.com/users/markdroth/gists{/gist_id}","starred_url":"https://api.github.com/users/markdroth/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/markdroth/subscriptions","organizations_url":"https://api.github.com/users/markdroth/orgs","repos_url":"https://api.github.com/users/markdroth/repos","events_url":"https://api.github.com/users/markdroth/events{/privacy}","received_events_url":"https://api.github.com/users/markdroth/received_events","type":"User","site_admin":false},"assignees":[{"login":"markdroth","id":18664614,"node_id":"MDQ6VXNlcjE4NjY0NjE0","avatar_url":"https://avatars2.githubusercontent.com/u/18664614?v=4","gravatar_id":"","url":"https://api.github.com/users/markdroth","html_url":"https://github.com/markdroth","followers_url":"https://api.github.com/users/markdroth/followers","following_url":"https://api.github.com/users/markdroth/following{/other_user}","gists_url":"https://api.github.com/users/markdroth/gists{/gist_id}","starred_url":"https://api.github.com/users/markdroth/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/markdroth/subscriptions","organizations_url":"https://api.github.com/users/markdroth/orgs","repos_url":"https://api.github.com/users/markdroth/repos","events_url":"https://api.github.com/users/markdroth/events{/privacy}","received_events_url":"https://api.github.com/users/markdroth/received_events","type":"User","site_admin":false}],"milestone":null,"comments":27,"created_at":"2018-10-17T00:45:23Z","updated_at":"2018-10-17T21:30:30Z","closed_at":null,"author_association":"CONTRIBUTOR","pull_request":{"url":"https://api.github.com/repos/grpc/grpc/pulls/16904","html_url":"https://github.com/grpc/grpc/pull/16904","diff_url":"https://github.com/grpc/grpc/pull/16904.diff","patch_url":"https://github.com/grpc/grpc/pull/16904.patch"},"body":"This is the beginning of support for resolution. We probably want more information about the addresses, but I figured we could discuss that in PR form.\r\n\r\nHere is example output:\r\n\r\n```\r\n  \"trace\": {\r\n   \"numEventsLogged\": \"6\",\r\n   \"creationTimestamp\": \"2018-10-16T17:43:36.138319624Z\",\r\n   \"events\": [\r\n    {\r\n     \"description\": \"Channel created\",\r\n     \"severity\": \"CT_INFO\",\r\n     \"timestamp\": \"2018-10-16T17:43:36.138319955Z\"\r\n    },\r\n    {\r\n     \"description\": \"Switched LB policy to pick_first\",\r\n     \"severity\": \"CT_INFO\",\r\n     \"timestamp\": \"2018-10-16T17:43:36.138319445Z\"\r\n    },\r\n    {\r\n     \"description\": \"New addresses resolved\",\r\n     \"severity\": \"CT_INFO\",\r\n     \"timestamp\": \"2018-10-16T17:43:36.138319874Z\"\r\n    },\r\n    {\r\n     \"description\": \"Channel state change to IDLE\",\r\n     \"severity\": \"CT_INFO\",\r\n     \"timestamp\": \"2018-10-16T17:43:36.138320212Z\"\r\n    },\r\n    {\r\n     \"description\": \"Channel state change to CONNECTING\",\r\n     \"severity\": \"CT_INFO\",\r\n     \"timestamp\": \"2018-10-16T17:43:36.138319654Z\"\r\n    },\r\n    {\r\n     \"description\": \"Channel state change to READY\",\r\n     \"severity\": \"CT_INFO\",\r\n     \"timestamp\": \"2018-10-16T17:43:36.139320296Z\"\r\n    }\r\n   ]\r\n  }\r\n```\r\n\r\nMy main question is how much data we want to include in the event that now reads \"New addresses resolved\". Should I actually parse through GRPC_ARG_LB_ADDRESSES and format them into a string? Or do you think it would be enough to say \"resolved from zero to non zero\" or vice versa"},"comment":{"url":"https://api.github.com/repos/grpc/grpc/issues/comments/430796725","html_url":"https://github.com/grpc/grpc/pull/16904#issuecomment-430796725","issue_url":"https://api.github.com/repos/grpc/grpc/issues/16904","id":430796725,"node_id":"MDEyOklzc3VlQ29tbWVudDQzMDc5NjcyNQ==","user":{"login":"grpc-testing","id":28024233,"node_id":"MDQ6VXNlcjI4MDI0MjMz","avatar_url":"https://avatars1.githubusercontent.com/u/28024233?v=4","gravatar_id":"","url":"https://api.github.com/users/grpc-testing","html_url":"https://github.com/grpc-testing","followers_url":"https://api.github.com/users/grpc-testing/followers","following_url":"https://api.github.com/users/grpc-testing/following{/other_user}","gists_url":"https://api.github.com/users/grpc-testing/gists{/gist_id}","starred_url":"https://api.github.com/users/grpc-testing/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/grpc-testing/subscriptions","organizations_url":"https://api.github.com/users/grpc-testing/orgs","repos_url":"https://api.github.com/users/grpc-testing/repos","events_url":"https://api.github.com/users/grpc-testing/events{/privacy}","received_events_url":"https://api.github.com/users/grpc-testing/received_events","type":"User","site_admin":false},"created_at":"2018-10-17T21:30:30Z","updated_at":"2018-10-17T21:30:30Z","author_association":"NONE","body":"```\n[trickle] No significant performance differences\n```"}}
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