{"action":"created","comment":{"url":"https://api.github.com/repos/pingcap/tidb/pulls/comments/216565790","pull_request_review_id":154074215,"id":216565790,"node_id":"MDI0OlB1bGxSZXF1ZXN0UmV2aWV3Q29tbWVudDIxNjU2NTc5MA==","diff_hunk":"@@ -0,0 +1,126 @@\n+// Copyright 2018 PingCAP, Inc.\n+//\n+// Licensed under the Apache License, Version 2.0 (the \"License\");\n+// you may not use this file except in compliance with the License.\n+// You may obtain a copy of the License at\n+//\n+//     http://www.apache.org/licenses/LICENSE-2.0\n+//\n+// Unless required by applicable law or agreed to in writing, software\n+// distributed under the License is distributed on an \"AS IS\" BASIS,\n+// See the License for the specific language governing permissions and\n+// limitations under the License.\n+\n+package domain\n+\n+import (\n+\t\"container/heap\"\n+\t\"time\"\n+\n+\t\"github.com/pingcap/tidb/util/execdetails\"\n+)\n+\n+type slowQueryHeap struct {\n+\tdata []*slowQueryInfo\n+}\n+\n+func (h *slowQueryHeap) Len() int           { return len(h.data) }\n+func (h *slowQueryHeap) Less(i, j int) bool { return h.data[i].duration < h.data[j].duration }","path":"domain/topn_slow_query.go","position":28,"original_position":28,"commit_id":"c9db11028b958ed3606a4753b857613b5257e40b","original_commit_id":"c9db11028b958ed3606a4753b857613b5257e40b","user":{"login":"zz-jason","id":5268763,"node_id":"MDQ6VXNlcjUyNjg3NjM=","avatar_url":"https://avatars0.githubusercontent.com/u/5268763?v=4","gravatar_id":"","url":"https://api.github.com/users/zz-jason","html_url":"https://github.com/zz-jason","followers_url":"https://api.github.com/users/zz-jason/followers","following_url":"https://api.github.com/users/zz-jason/following{/other_user}","gists_url":"https://api.github.com/users/zz-jason/gists{/gist_id}","starred_url":"https://api.github.com/users/zz-jason/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/zz-jason/subscriptions","organizations_url":"https://api.github.com/users/zz-jason/orgs","repos_url":"https://api.github.com/users/zz-jason/repos","events_url":"https://api.github.com/users/zz-jason/events{/privacy}","received_events_url":"https://api.github.com/users/zz-jason/received_events","type":"User","site_admin":false},"body":"should it be `h.data[i].duration > h.data[j].duration`","created_at":"2018-09-11T07:13:12Z","updated_at":"2018-09-11T07:13:12Z","html_url":"https://github.com/pingcap/tidb/pull/7646#discussion_r216565790","pull_request_url":"https://api.github.com/repos/pingcap/tidb/pulls/7646","author_association":"MEMBER","_links":{"self":{"href":"https://api.github.com/repos/pingcap/tidb/pulls/comments/216565790"},"html":{"href":"https://github.com/pingcap/tidb/pull/7646#discussion_r216565790"},"pull_request":{"href":"https://api.github.com/repos/pingcap/tidb/pulls/7646"}}},"pull_request":{"url":"https://api.github.com/repos/pingcap/tidb/pulls/7646","id":214086030,"node_id":"MDExOlB1bGxSZXF1ZXN0MjE0MDg2MDMw","html_url":"https://github.com/pingcap/tidb/pull/7646","diff_url":"https://github.com/pingcap/tidb/pull/7646.diff","patch_url":"https://github.com/pingcap/tidb/pull/7646.patch","issue_url":"https://api.github.com/repos/pingcap/tidb/issues/7646","number":7646,"state":"open","locked":false,"title":"domain,executor: store topN slow query in domain","user":{"login":"tiancaiamao","id":1420062,"node_id":"MDQ6VXNlcjE0MjAwNjI=","avatar_url":"https://avatars2.githubusercontent.com/u/1420062?v=4","gravatar_id":"","url":"https://api.github.com/users/tiancaiamao","html_url":"https://github.com/tiancaiamao","followers_url":"https://api.github.com/users/tiancaiamao/followers","following_url":"https://api.github.com/users/tiancaiamao/following{/other_user}","gists_url":"https://api.github.com/users/tiancaiamao/gists{/gist_id}","starred_url":"https://api.github.com/users/tiancaiamao/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tiancaiamao/subscriptions","organizations_url":"https://api.github.com/users/tiancaiamao/orgs","repos_url":"https://api.github.com/users/tiancaiamao/repos","events_url":"https://api.github.com/users/tiancaiamao/events{/privacy}","received_events_url":"https://api.github.com/users/tiancaiamao/received_events","type":"User","site_admin":false},"body":"<!--\r\nThank you for contributing to TiDB! Please read TiDB's [CONTRIBUTING](https://github.com/pingcap/tidb/blob/master/CONTRIBUTING.md) document **BEFORE** filing this PR.\r\n-->\r\n\r\n### What problem does this PR solve? <!--add issue link with summary if exists-->\r\n\r\nStore topN slow query in domain, so later we can retrieve it later.\r\n\r\n\r\n### What is changed and how it works?\r\n\r\nlogSlowQuery in session will send a copy to domain, the domain maintains a heap to store the \r\ntopN recent slow queries.\r\n\r\n### Check List <!--REMOVE the items that are not applicable-->\r\n\r\nTests <!-- At least one of them must be included. -->\r\n\r\n- Unit test\r\n\r\n\r\n\r\n\r\n","created_at":"2018-09-08T09:10:09Z","updated_at":"2018-09-11T07:13:12Z","closed_at":null,"merged_at":null,"merge_commit_sha":"9a739110e0a2ed71cb5ec965274c2d2e36dd770c","assignee":null,"assignees":[],"requested_reviewers":[],"requested_teams":[],"labels":[{"id":970807266,"node_id":"MDU6TGFiZWw5NzA4MDcyNjY=","url":"https://api.github.com/repos/pingcap/tidb/labels/component/executor","name":"component/executor","color":"000000","default":false}],"milestone":null,"commits_url":"https://api.github.com/repos/pingcap/tidb/pulls/7646/commits","review_comments_url":"https://api.github.com/repos/pingcap/tidb/pulls/7646/comments","review_comment_url":"https://api.github.com/repos/pingcap/tidb/pulls/comments{/number}","comments_url":"https://api.github.com/repos/pingcap/tidb/issues/7646/comments","statuses_url":"https://api.github.com/repos/pingcap/tidb/statuses/c9db11028b958ed3606a4753b857613b5257e40b","head":{"label":"tiancaiamao:topn-slow-query","ref":"topn-slow-query","sha":"c9db11028b958ed3606a4753b857613b5257e40b","user":{"login":"tiancaiamao","id":1420062,"node_id":"MDQ6VXNlcjE0MjAwNjI=","avatar_url":"https://avatars2.githubusercontent.com/u/1420062?v=4","gravatar_id":"","url":"https://api.github.com/users/tiancaiamao","html_url":"https://github.com/tiancaiamao","followers_url":"https://api.github.com/users/tiancaiamao/followers","following_url":"https://api.github.com/users/tiancaiamao/following{/other_user}","gists_url":"https://api.github.com/users/tiancaiamao/gists{/gist_id}","starred_url":"https://api.github.com/users/tiancaiamao/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tiancaiamao/subscriptions","organizations_url":"https://api.github.com/users/tiancaiamao/orgs","repos_url":"https://api.github.com/users/tiancaiamao/repos","events_url":"https://api.github.com/users/tiancaiamao/events{/privacy}","received_events_url":"https://api.github.com/users/tiancaiamao/received_events","type":"User","site_admin":false},"repo":{"id":63065396,"node_id":"MDEwOlJlcG9zaXRvcnk2MzA2NTM5Ng==","name":"tidb","full_name":"tiancaiamao/tidb","owner":{"login":"tiancaiamao","id":1420062,"node_id":"MDQ6VXNlcjE0MjAwNjI=","avatar_url":"https://avatars2.githubusercontent.com/u/1420062?v=4","gravatar_id":"","url":"https://api.github.com/users/tiancaiamao","html_url":"https://github.com/tiancaiamao","followers_url":"https://api.github.com/users/tiancaiamao/followers","following_url":"https://api.github.com/users/tiancaiamao/following{/other_user}","gists_url":"https://api.github.com/users/tiancaiamao/gists{/gist_id}","starred_url":"https://api.github.com/users/tiancaiamao/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tiancaiamao/subscriptions","organizations_url":"https://api.github.com/users/tiancaiamao/orgs","repos_url":"https://api.github.com/users/tiancaiamao/repos","events_url":"https://api.github.com/users/tiancaiamao/events{/privacy}","received_events_url":"https://api.github.com/users/tiancaiamao/received_events","type":"User","site_admin":false},"private":false,"html_url":"https://github.com/tiancaiamao/tidb","description":"TiDB is a distributed NewSQL database compatible with MySQL protocol ","fork":true,"url":"https://api.github.com/repos/tiancaiamao/tidb","forks_url":"https://api.github.com/repos/tiancaiamao/tidb/forks","keys_url":"https://api.github.com/repos/tiancaiamao/tidb/keys{/key_id}","collaborators_url":"https://api.github.com/repos/tiancaiamao/tidb/collaborators{/collaborator}","teams_url":"https://api.github.com/repos/tiancaiamao/tidb/teams","hooks_url":"https://api.github.com/repos/tiancaiamao/tidb/hooks","issue_events_url":"https://api.github.com/repos/tiancaiamao/tidb/issues/events{/number}","events_url":"https://api.github.com/repos/tiancaiamao/tidb/events","assignees_url":"https://api.github.com/repos/tiancaiamao/tidb/assignees{/user}","branches_url":"https://api.github.com/repos/tiancaiamao/tidb/branches{/branch}","tags_url":"https://api.github.com/repos/tiancaiamao/tidb/tags","blobs_url":"https://api.github.com/repos/tiancaiamao/tidb/git/blobs{/sha}","git_tags_url":"https://api.github.com/repos/tiancaiamao/tidb/git/tags{/sha}","git_refs_url":"https://api.github.com/repos/tiancaiamao/tidb/git/refs{/sha}","trees_url":"https://api.github.com/repos/tiancaiamao/tidb/git/trees{/sha}","statuses_url":"https://api.github.com/repos/tiancaiamao/tidb/statuses/{sha}","languages_url":"https://api.github.com/repos/tiancaiamao/tidb/languages","stargazers_url":"https://api.github.com/repos/tiancaiamao/tidb/stargazers","contributors_url":"https://api.github.com/repos/tiancaiamao/tidb/contributors","subscribers_url":"https://api.github.com/repos/tiancaiamao/tidb/subscribers","subscription_url":"https://api.github.com/repos/tiancaiamao/tidb/subscription","commits_url":"https://api.github.com/repos/tiancaiamao/tidb/commits{/sha}","git_commits_url":"https://api.github.com/repos/tiancaiamao/tidb/git/commits{/sha}","comments_url":"https://api.github.com/repos/tiancaiamao/tidb/comments{/number}","issue_comment_url":"https://api.github.com/repos/tiancaiamao/tidb/issues/comments{/number}","contents_url":"https://api.github.com/repos/tiancaiamao/tidb/contents/{+path}","compare_url":"https://api.github.com/repos/tiancaiamao/tidb/compare/{base}...{head}","merges_url":"https://api.github.com/repos/tiancaiamao/tidb/merges","archive_url":"https://api.github.com/repos/tiancaiamao/tidb/{archive_format}{/ref}","downloads_url":"https://api.github.com/repos/tiancaiamao/tidb/downloads","issues_url":"https://api.github.com/repos/tiancaiamao/tidb/issues{/number}","pulls_url":"https://api.github.com/repos/tiancaiamao/tidb/pulls{/number}","milestones_url":"https://api.github.com/repos/tiancaiamao/tidb/milestones{/number}","notifications_url":"https://api.github.com/repos/tiancaiamao/tidb/notifications{?since,all,participating}","labels_url":"https://api.github.com/repos/tiancaiamao/tidb/labels{/name}","releases_url":"https://api.github.com/repos/tiancaiamao/tidb/releases{/id}","deployments_url":"https://api.github.com/repos/tiancaiamao/tidb/deployments","created_at":"2016-07-11T12:20:13Z","updated_at":"2018-08-26T07:21:52Z","pushed_at":"2018-09-11T06:27:56Z","git_url":"git://github.com/tiancaiamao/tidb.git","ssh_url":"git@github.com:tiancaiamao/tidb.git","clone_url":"https://github.com/tiancaiamao/tidb.git","svn_url":"https://github.com/tiancaiamao/tidb","homepage":"","size":57318,"stargazers_count":0,"watchers_count":0,"language":"Go","has_issues":false,"has_projects":true,"has_downloads":true,"has_wiki":false,"has_pages":false,"forks_count":0,"mirror_url":null,"archived":false,"open_issues_count":0,"license":{"key":"apache-2.0","name":"Apache License 2.0","spdx_id":"Apache-2.0","url":"https://api.github.com/licenses/apache-2.0","node_id":"MDc6TGljZW5zZTI="},"forks":0,"open_issues":0,"watchers":0,"default_branch":"master"}},"base":{"label":"pingcap:master","ref":"master","sha":"5ad005b941f1178091d31ab800e54d084d5f800b","user":{"login":"pingcap","id":11855343,"node_id":"MDEyOk9yZ2FuaXphdGlvbjExODU1MzQz","avatar_url":"https://avatars3.githubusercontent.com/u/11855343?v=4","gravatar_id":"","url":"https://api.github.com/users/pingcap","html_url":"https://github.com/pingcap","followers_url":"https://api.github.com/users/pingcap/followers","following_url":"https://api.github.com/users/pingcap/following{/other_user}","gists_url":"https://api.github.com/users/pingcap/gists{/gist_id}","starred_url":"https://api.github.com/users/pingcap/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pingcap/subscriptions","organizations_url":"https://api.github.com/users/pingcap/orgs","repos_url":"https://api.github.com/users/pingcap/repos","events_url":"https://api.github.com/users/pingcap/events{/privacy}","received_events_url":"https://api.github.com/users/pingcap/received_events","type":"Organization","site_admin":false},"repo":{"id":41986369,"node_id":"MDEwOlJlcG9zaXRvcnk0MTk4NjM2OQ==","name":"tidb","full_name":"pingcap/tidb","owner":{"login":"pingcap","id":11855343,"node_id":"MDEyOk9yZ2FuaXphdGlvbjExODU1MzQz","avatar_url":"https://avatars3.githubusercontent.com/u/11855343?v=4","gravatar_id":"","url":"https://api.github.com/users/pingcap","html_url":"https://github.com/pingcap","followers_url":"https://api.github.com/users/pingcap/followers","following_url":"https://api.github.com/users/pingcap/following{/other_user}","gists_url":"https://api.github.com/users/pingcap/gists{/gist_id}","starred_url":"https://api.github.com/users/pingcap/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pingcap/subscriptions","organizations_url":"https://api.github.com/users/pingcap/orgs","repos_url":"https://api.github.com/users/pingcap/repos","events_url":"https://api.github.com/users/pingcap/events{/privacy}","received_events_url":"https://api.github.com/users/pingcap/received_events","type":"Organization","site_admin":false},"private":false,"html_url":"https://github.com/pingcap/tidb","description":"TiDB is a distributed HTAP database compatible with the MySQL protocol ","fork":false,"url":"https://api.github.com/repos/pingcap/tidb","forks_url":"https://api.github.com/repos/pingcap/tidb/forks","keys_url":"https://api.github.com/repos/pingcap/tidb/keys{/key_id}","collaborators_url":"https://api.github.com/repos/pingcap/tidb/collaborators{/collaborator}","teams_url":"https://api.github.com/repos/pingcap/tidb/teams","hooks_url":"https://api.github.com/repos/pingcap/tidb/hooks","issue_events_url":"https://api.github.com/repos/pingcap/tidb/issues/events{/number}","events_url":"https://api.github.com/repos/pingcap/tidb/events","assignees_url":"https://api.github.com/repos/pingcap/tidb/assignees{/user}","branches_url":"https://api.github.com/repos/pingcap/tidb/branches{/branch}","tags_url":"https://api.github.com/repos/pingcap/tidb/tags","blobs_url":"https://api.github.com/repos/pingcap/tidb/git/blobs{/sha}","git_tags_url":"https://api.github.com/repos/pingcap/tidb/git/tags{/sha}","git_refs_url":"https://api.github.com/repos/pingcap/tidb/git/refs{/sha}","trees_url":"https://api.github.com/repos/pingcap/tidb/git/trees{/sha}","statuses_url":"https://api.github.com/repos/pingcap/tidb/statuses/{sha}","languages_url":"https://api.github.com/repos/pingcap/tidb/languages","stargazers_url":"https://api.github.com/repos/pingcap/tidb/stargazers","contributors_url":"https://api.github.com/repos/pingcap/tidb/contributors","subscribers_url":"https://api.github.com/repos/pingcap/tidb/subscribers","subscription_url":"https://api.github.com/repos/pingcap/tidb/subscription","commits_url":"https://api.github.com/repos/pingcap/tidb/commits{/sha}","git_commits_url":"https://api.github.com/repos/pingcap/tidb/git/commits{/sha}","comments_url":"https://api.github.com/repos/pingcap/tidb/comments{/number}","issue_comment_url":"https://api.github.com/repos/pingcap/tidb/issues/comments{/number}","contents_url":"https://api.github.com/repos/pingcap/tidb/contents/{+path}","compare_url":"https://api.github.com/repos/pingcap/tidb/compare/{base}...{head}","merges_url":"https://api.github.com/repos/pingcap/tidb/merges","archive_url":"https://api.github.com/repos/pingcap/tidb/{archive_format}{/ref}","downloads_url":"https://api.github.com/repos/pingcap/tidb/downloads","issues_url":"https://api.github.com/repos/pingcap/tidb/issues{/number}","pulls_url":"https://api.github.com/repos/pingcap/tidb/pulls{/number}","milestones_url":"https://api.github.com/repos/pingcap/tidb/milestones{/number}","notifications_url":"https://api.github.com/repos/pingcap/tidb/notifications{?since,all,participating}","labels_url":"https://api.github.com/repos/pingcap/tidb/labels{/name}","releases_url":"https://api.github.com/repos/pingcap/tidb/releases{/id}","deployments_url":"https://api.github.com/repos/pingcap/tidb/deployments","created_at":"2015-09-06T04:01:52Z","updated_at":"2018-09-11T07:13:02Z","pushed_at":"2018-09-11T06:55:58Z","git_url":"git://github.com/pingcap/tidb.git","ssh_url":"git@github.com:pingcap/tidb.git","clone_url":"https://github.com/pingcap/tidb.git","svn_url":"https://github.com/pingcap/tidb","homepage":"https://pingcap.com","size":81840,"stargazers_count":14772,"watchers_count":14772,"language":"Go","has_issues":true,"has_projects":true,"has_downloads":true,"has_wiki":true,"has_pages":false,"forks_count":2072,"mirror_url":null,"archived":false,"open_issues_count":544,"license":{"key":"apache-2.0","name":"Apache License 2.0","spdx_id":"Apache-2.0","url":"https://api.github.com/licenses/apache-2.0","node_id":"MDc6TGljZW5zZTI="},"forks":2072,"open_issues":544,"watchers":14772,"default_branch":"master"}},"_links":{"self":{"href":"https://api.github.com/repos/pingcap/tidb/pulls/7646"},"html":{"href":"https://github.com/pingcap/tidb/pull/7646"},"issue":{"href":"https://api.github.com/repos/pingcap/tidb/issues/7646"},"comments":{"href":"https://api.github.com/repos/pingcap/tidb/issues/7646/comments"},"review_comments":{"href":"https://api.github.com/repos/pingcap/tidb/pulls/7646/comments"},"review_comment":{"href":"https://api.github.com/repos/pingcap/tidb/pulls/comments{/number}"},"commits":{"href":"https://api.github.com/repos/pingcap/tidb/pulls/7646/commits"},"statuses":{"href":"https://api.github.com/repos/pingcap/tidb/statuses/c9db11028b958ed3606a4753b857613b5257e40b"}},"author_association":"CONTRIBUTOR"}}
{"actor":{"display_login":"zz-jason"}}