{"action":"created","comment":{"url":"https://api.github.com/repos/cockroachdb/cockroach/pulls/comments/38475566","id":38475566,"diff_hunk":"@@ -656,6 +675,24 @@ func (s *Store) maybeGossipConfigs() error {\n \treturn nil\n }\n \n+// maybeGossipSystemMap looks for the range containing SystemDB keys and\n+// lets that range gossip them.\n+func (s *Store) maybeGossipSystemMap() error {\n+\trng := s.LookupReplica(keys.SystemDBSpan.Start, nil)\n+\tif rng == nil {\n+\t\t// This store has no range with this configuration.\n+\t\treturn nil\n+\t}\n+\t// Wake up the replica. If it acquires a fresh lease, it will\n+\t// gossip. If an unexpected error occurs (i.e. nobody else seems to\n+\t// have an active lease but we still failed to obtain it), return\n+\t// that error.\n+\tif _, err := rng.getLeaseForGossip(s.Context(nil)); err != nil {","path":"storage/store.go","position":51,"original_position":51,"commit_id":"ef664bc112511fd3259521b2c975f770dd8db54b","original_commit_id":"ef664bc112511fd3259521b2c975f770dd8db54b","user":{"login":"tamird","id":1535036,"avatar_url":"https://avatars.githubusercontent.com/u/1535036?v=3","gravatar_id":"","url":"https://api.github.com/users/tamird","html_url":"https://github.com/tamird","followers_url":"https://api.github.com/users/tamird/followers","following_url":"https://api.github.com/users/tamird/following{/other_user}","gists_url":"https://api.github.com/users/tamird/gists{/gist_id}","starred_url":"https://api.github.com/users/tamird/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tamird/subscriptions","organizations_url":"https://api.github.com/users/tamird/orgs","repos_url":"https://api.github.com/users/tamird/repos","events_url":"https://api.github.com/users/tamird/events{/privacy}","received_events_url":"https://api.github.com/users/tamird/received_events","type":"User","site_admin":false},"body":"toss the nil check, just return `err`","created_at":"2015-09-01T21:38:03Z","updated_at":"2015-09-01T21:38:03Z","html_url":"https://github.com/cockroachdb/cockroach/pull/2324#discussion_r38475566","pull_request_url":"https://api.github.com/repos/cockroachdb/cockroach/pulls/2324","_links":{"self":{"href":"https://api.github.com/repos/cockroachdb/cockroach/pulls/comments/38475566"},"html":{"href":"https://github.com/cockroachdb/cockroach/pull/2324#discussion_r38475566"},"pull_request":{"href":"https://api.github.com/repos/cockroachdb/cockroach/pulls/2324"}}},"pull_request":{"url":"https://api.github.com/repos/cockroachdb/cockroach/pulls/2324","id":43928917,"html_url":"https://github.com/cockroachdb/cockroach/pull/2324","diff_url":"https://github.com/cockroachdb/cockroach/pull/2324.diff","patch_url":"https://github.com/cockroachdb/cockroach/pull/2324.patch","issue_url":"https://api.github.com/repos/cockroachdb/cockroach/issues/2324","number":2324,"state":"open","locked":false,"title":"Gossip SystemDB span.","user":{"login":"mberhault","id":5901480,"avatar_url":"https://avatars.githubusercontent.com/u/5901480?v=3","gravatar_id":"","url":"https://api.github.com/users/mberhault","html_url":"https://github.com/mberhault","followers_url":"https://api.github.com/users/mberhault/followers","following_url":"https://api.github.com/users/mberhault/following{/other_user}","gists_url":"https://api.github.com/users/mberhault/gists{/gist_id}","starred_url":"https://api.github.com/users/mberhault/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mberhault/subscriptions","organizations_url":"https://api.github.com/users/mberhault/orgs","repos_url":"https://api.github.com/users/mberhault/repos","events_url":"https://api.github.com/users/mberhault/events{/privacy}","received_events_url":"https://api.github.com/users/mberhault/received_events","type":"User","site_admin":false},"body":"Work towards #2179\r\n\r\nGossip the entire SystemDB span when a replica containing it is\r\nadded, but mainly when the new EndTransactionRequest trigger is set.\r\nThis is to avoid having to scan all keys in a transaction.\r\n\r\nThe sql side does need to be careful and set it everywhere it mutates\r\nthe system DB and tables. This is currently done by the addition of\r\na function filter in sql/main_test which fails EndTransaction requests\r\nthat have intents for SystemDB keys, but no trigger.\r\n\r\nThis also needs a new proto.Transaction field to persist that setting\r\nduring sql transactions.\r\n\r\nNote: we could technically skip the trigger entirely, and use the field\r\non the transaction proto. This would deviate from the existing triggers,\r\nbut would keep things a bit cleaner and shorter.","created_at":"2015-09-01T21:27:36Z","updated_at":"2015-09-01T21:38:03Z","closed_at":null,"merged_at":null,"merge_commit_sha":"ac43efaeafe3f4ebb5e7b0a1a80519569f133941","assignee":{"login":"petermattis","id":6201335,"avatar_url":"https://avatars.githubusercontent.com/u/6201335?v=3","gravatar_id":"","url":"https://api.github.com/users/petermattis","html_url":"https://github.com/petermattis","followers_url":"https://api.github.com/users/petermattis/followers","following_url":"https://api.github.com/users/petermattis/following{/other_user}","gists_url":"https://api.github.com/users/petermattis/gists{/gist_id}","starred_url":"https://api.github.com/users/petermattis/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/petermattis/subscriptions","organizations_url":"https://api.github.com/users/petermattis/orgs","repos_url":"https://api.github.com/users/petermattis/repos","events_url":"https://api.github.com/users/petermattis/events{/privacy}","received_events_url":"https://api.github.com/users/petermattis/received_events","type":"User","site_admin":false},"milestone":null,"commits_url":"https://api.github.com/repos/cockroachdb/cockroach/pulls/2324/commits","review_comments_url":"https://api.github.com/repos/cockroachdb/cockroach/pulls/2324/comments","review_comment_url":"https://api.github.com/repos/cockroachdb/cockroach/pulls/comments{/number}","comments_url":"https://api.github.com/repos/cockroachdb/cockroach/issues/2324/comments","statuses_url":"https://api.github.com/repos/cockroachdb/cockroach/statuses/ef664bc112511fd3259521b2c975f770dd8db54b","head":{"label":"cockroachdb:marc/gossip_system_span","ref":"marc/gossip_system_span","sha":"ef664bc112511fd3259521b2c975f770dd8db54b","user":{"login":"cockroachdb","id":6748139,"avatar_url":"https://avatars.githubusercontent.com/u/6748139?v=3","gravatar_id":"","url":"https://api.github.com/users/cockroachdb","html_url":"https://github.com/cockroachdb","followers_url":"https://api.github.com/users/cockroachdb/followers","following_url":"https://api.github.com/users/cockroachdb/following{/other_user}","gists_url":"https://api.github.com/users/cockroachdb/gists{/gist_id}","starred_url":"https://api.github.com/users/cockroachdb/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cockroachdb/subscriptions","organizations_url":"https://api.github.com/users/cockroachdb/orgs","repos_url":"https://api.github.com/users/cockroachdb/repos","events_url":"https://api.github.com/users/cockroachdb/events{/privacy}","received_events_url":"https://api.github.com/users/cockroachdb/received_events","type":"Organization","site_admin":false},"repo":{"id":16563587,"name":"cockroach","full_name":"cockroachdb/cockroach","owner":{"login":"cockroachdb","id":6748139,"avatar_url":"https://avatars.githubusercontent.com/u/6748139?v=3","gravatar_id":"","url":"https://api.github.com/users/cockroachdb","html_url":"https://github.com/cockroachdb","followers_url":"https://api.github.com/users/cockroachdb/followers","following_url":"https://api.github.com/users/cockroachdb/following{/other_user}","gists_url":"https://api.github.com/users/cockroachdb/gists{/gist_id}","starred_url":"https://api.github.com/users/cockroachdb/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cockroachdb/subscriptions","organizations_url":"https://api.github.com/users/cockroachdb/orgs","repos_url":"https://api.github.com/users/cockroachdb/repos","events_url":"https://api.github.com/users/cockroachdb/events{/privacy}","received_events_url":"https://api.github.com/users/cockroachdb/received_events","type":"Organization","site_admin":false},"private":false,"html_url":"https://github.com/cockroachdb/cockroach","description":"A 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