{"action":"opened","issue":{"url":"https://api.github.com/repos/edonnachie/queuer/issues/3","labels_url":"https://api.github.com/repos/edonnachie/queuer/issues/3/labels{/name}","comments_url":"https://api.github.com/repos/edonnachie/queuer/issues/3/comments","events_url":"https://api.github.com/repos/edonnachie/queuer/issues/3/events","html_url":"https://github.com/edonnachie/queuer/issues/3","id":118055974,"number":3,"title":"Implement queue lock","user":{"login":"edonnachie","id":8057826,"avatar_url":"https://avatars.githubusercontent.com/u/8057826?v=3","gravatar_id":"","url":"https://api.github.com/users/edonnachie","html_url":"https://github.com/edonnachie","followers_url":"https://api.github.com/users/edonnachie/followers","following_url":"https://api.github.com/users/edonnachie/following{/other_user}","gists_url":"https://api.github.com/users/edonnachie/gists{/gist_id}","starred_url":"https://api.github.com/users/edonnachie/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/edonnachie/subscriptions","organizations_url":"https://api.github.com/users/edonnachie/orgs","repos_url":"https://api.github.com/users/edonnachie/repos","events_url":"https://api.github.com/users/edonnachie/events{/privacy}","received_events_url":"https://api.github.com/users/edonnachie/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-11-20T14:48:31Z","updated_at":"2015-11-20T14:48:31Z","closed_at":null,"body":"If multiple R instances try to process the same queue, jobs will be run in parallel, causing a variety of problems.\r\n\r\nA lock file should be created by process_queue and removed on completion."}}