{"action":"opened","issue":{"url":"https://api.github.com/repos/elastic/elasticsearch/issues/17094","repository_url":"https://api.github.com/repos/elastic/elasticsearch","labels_url":"https://api.github.com/repos/elastic/elasticsearch/issues/17094/labels{/name}","comments_url":"https://api.github.com/repos/elastic/elasticsearch/issues/17094/comments","events_url":"https://api.github.com/repos/elastic/elasticsearch/issues/17094/events","html_url":"https://github.com/elastic/elasticsearch/issues/17094","id":140692406,"number":17094,"title":"Force merge should be cancellable","user":{"login":"nik9000","id":215970,"avatar_url":"https://avatars.githubusercontent.com/u/215970?v=3","gravatar_id":"","url":"https://api.github.com/users/nik9000","html_url":"https://github.com/nik9000","followers_url":"https://api.github.com/users/nik9000/followers","following_url":"https://api.github.com/users/nik9000/following{/other_user}","gists_url":"https://api.github.com/users/nik9000/gists{/gist_id}","starred_url":"https://api.github.com/users/nik9000/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nik9000/subscriptions","organizations_url":"https://api.github.com/users/nik9000/orgs","repos_url":"https://api.github.com/users/nik9000/repos","events_url":"https://api.github.com/users/nik9000/events{/privacy}","received_events_url":"https://api.github.com/users/nik9000/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/elastic/elasticsearch/labels/:Internal","name":":Internal","color":"009800"},{"url":"https://api.github.com/repos/elastic/elasticsearch/labels/discuss","name":"discuss","color":"fbca04"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-03-14T14:39:19Z","updated_at":"2016-03-14T14:39:19Z","closed_at":null,"body":"We have the infrastructure to make long running stuff cancellable. Force merge seems like something that you might want to cancel.\r\n\r\nCancel doesn't have to immediately cancel (can't/shouldn't kill threads in Java), just make a reasonably good effort to cancel the task."}}