{"action":"opened","issue":{"url":"https://api.github.com/repos/cockroachdb/cockroach/issues/9555","repository_url":"https://api.github.com/repos/cockroachdb/cockroach","labels_url":"https://api.github.com/repos/cockroachdb/cockroach/issues/9555/labels{/name}","comments_url":"https://api.github.com/repos/cockroachdb/cockroach/issues/9555/comments","events_url":"https://api.github.com/repos/cockroachdb/cockroach/issues/9555/events","html_url":"https://github.com/cockroachdb/cockroach/issues/9555","id":179334718,"number":9555,"title":"storage: avoid splitting ranges that cannot be split","user":{"login":"knz","id":642886,"avatar_url":"https://avatars.githubusercontent.com/u/642886?v=3","gravatar_id":"","url":"https://api.github.com/users/knz","html_url":"https://github.com/knz","followers_url":"https://api.github.com/users/knz/followers","following_url":"https://api.github.com/users/knz/following{/other_user}","gists_url":"https://api.github.com/users/knz/gists{/gist_id}","starred_url":"https://api.github.com/users/knz/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/knz/subscriptions","organizations_url":"https://api.github.com/users/knz/orgs","repos_url":"https://api.github.com/users/knz/repos","events_url":"https://api.github.com/users/knz/events{/privacy}","received_events_url":"https://api.github.com/users/knz/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":{"url":"https://api.github.com/repos/cockroachdb/cockroach/milestones/2","html_url":"https://github.com/cockroachdb/cockroach/milestones/1.0","labels_url":"https://api.github.com/repos/cockroachdb/cockroach/milestones/2/labels","id":1240360,"number":2,"title":"1.0","description":"","creator":{"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},"open_issues":119,"closed_issues":100,"state":"open","created_at":"2015-08-04T14:55:46Z","updated_at":"2016-09-26T20:54:54Z","due_on":null,"closed_at":null},"comments":0,"created_at":"2016-09-26T20:54:54Z","updated_at":"2016-09-26T20:54:54Z","closed_at":null,"body":"When a single KV value becomes larger than the nominal range size, the range grows with it and a split is initiated but the split cannot succeed because the entire size is taken up by a single value. This causes spurious errors and adds pressure on the split queue unnecessarily.\r\n\r\nSuch \"large\" ranges should be marked unsplittable and never enter the split queue after they've been marked.\r\n\r\n(Suggested by @dt )"}}
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