{"action":"created","issue":{"url":"https://api.github.com/repos/ray-project/ray/issues/3304","repository_url":"https://api.github.com/repos/ray-project/ray","labels_url":"https://api.github.com/repos/ray-project/ray/issues/3304/labels{/name}","comments_url":"https://api.github.com/repos/ray-project/ray/issues/3304/comments","events_url":"https://api.github.com/repos/ray-project/ray/issues/3304/events","html_url":"https://github.com/ray-project/ray/pull/3304","id":379589590,"node_id":"MDExOlB1bGxSZXF1ZXN0MjI5OTk1OTY5","number":3304,"title":"Don't transfer objects whose data is not needed","user":{"login":"stephanie-wang","id":2560516,"node_id":"MDQ6VXNlcjI1NjA1MTY=","avatar_url":"https://avatars2.githubusercontent.com/u/2560516?v=4","gravatar_id":"","url":"https://api.github.com/users/stephanie-wang","html_url":"https://github.com/stephanie-wang","followers_url":"https://api.github.com/users/stephanie-wang/followers","following_url":"https://api.github.com/users/stephanie-wang/following{/other_user}","gists_url":"https://api.github.com/users/stephanie-wang/gists{/gist_id}","starred_url":"https://api.github.com/users/stephanie-wang/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/stephanie-wang/subscriptions","organizations_url":"https://api.github.com/users/stephanie-wang/orgs","repos_url":"https://api.github.com/users/stephanie-wang/repos","events_url":"https://api.github.com/users/stephanie-wang/events{/privacy}","received_events_url":"https://api.github.com/users/stephanie-wang/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2018-11-12T01:35:39Z","updated_at":"2018-11-12T19:43:18Z","closed_at":null,"author_association":"CONTRIBUTOR","pull_request":{"url":"https://api.github.com/repos/ray-project/ray/pulls/3304","html_url":"https://github.com/ray-project/ray/pull/3304","diff_url":"https://github.com/ray-project/ray/pull/3304.diff","patch_url":"https://github.com/ray-project/ray/pull/3304.patch"},"body":"## What do these changes do?\r\n\r\nThe task dependency manager makes any needed object dependencies local, by pulling from a remote object manager if necessary. However, tasks that call `ray.wait` do not actually need the data transferred. Also, actor dummy objects have no data and therefore can never be pulled from a remote object manager. This PR prevents transfer of these objects by adding an extra `request_transfer` flag to the task dependency manager's methods."},"comment":{"url":"https://api.github.com/repos/ray-project/ray/issues/comments/438005053","html_url":"https://github.com/ray-project/ray/pull/3304#issuecomment-438005053","issue_url":"https://api.github.com/repos/ray-project/ray/issues/3304","id":438005053,"node_id":"MDEyOklzc3VlQ29tbWVudDQzODAwNTA1Mw==","user":{"login":"stephanie-wang","id":2560516,"node_id":"MDQ6VXNlcjI1NjA1MTY=","avatar_url":"https://avatars2.githubusercontent.com/u/2560516?v=4","gravatar_id":"","url":"https://api.github.com/users/stephanie-wang","html_url":"https://github.com/stephanie-wang","followers_url":"https://api.github.com/users/stephanie-wang/followers","following_url":"https://api.github.com/users/stephanie-wang/following{/other_user}","gists_url":"https://api.github.com/users/stephanie-wang/gists{/gist_id}","starred_url":"https://api.github.com/users/stephanie-wang/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/stephanie-wang/subscriptions","organizations_url":"https://api.github.com/users/stephanie-wang/orgs","repos_url":"https://api.github.com/users/stephanie-wang/repos","events_url":"https://api.github.com/users/stephanie-wang/events{/privacy}","received_events_url":"https://api.github.com/users/stephanie-wang/received_events","type":"User","site_admin":false},"created_at":"2018-11-12T19:43:18Z","updated_at":"2018-11-12T19:43:18Z","author_association":"CONTRIBUTOR","body":"Temporarily closing so we can make some progress on higher priority PRs.\r\n\r\nNote from offline discussion: we will likely add a flag to `ray.wait` to indicate whether object transfer is needed."}}
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