{"comment":{"url":"https://api.github.com/repos/electrum/presto/comments/16549349","html_url":"https://github.com/electrum/presto/commit/22a70ad9a266024999da02c5984d1732439f9f62#commitcomment-16549349","id":16549349,"user":{"login":"nileema","id":1034143,"avatar_url":"https://avatars.githubusercontent.com/u/1034143?v=3","gravatar_id":"","url":"https://api.github.com/users/nileema","html_url":"https://github.com/nileema","followers_url":"https://api.github.com/users/nileema/followers","following_url":"https://api.github.com/users/nileema/following{/other_user}","gists_url":"https://api.github.com/users/nileema/gists{/gist_id}","starred_url":"https://api.github.com/users/nileema/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nileema/subscriptions","organizations_url":"https://api.github.com/users/nileema/orgs","repos_url":"https://api.github.com/users/nileema/repos","events_url":"https://api.github.com/users/nileema/events{/privacy}","received_events_url":"https://api.github.com/users/nileema/received_events","type":"User","site_admin":false},"position":176,"line":253,"path":"presto-raptor/src/main/java/com/facebook/presto/raptor/metadata/ShardCleaner.java","commit_id":"22a70ad9a266024999da02c5984d1732439f9f62","created_at":"2016-03-07T23:11:53Z","updated_at":"2016-03-07T23:11:53Z","body":"Can we remove first then add? \r\n\r\nMight reduce the size of the map before it adds new entries, preventing resizing. "}}