{"action":"created","issue":{"url":"https://api.github.com/repos/apache/reef/issues/677","labels_url":"https://api.github.com/repos/apache/reef/issues/677/labels{/name}","comments_url":"https://api.github.com/repos/apache/reef/issues/677/comments","events_url":"https://api.github.com/repos/apache/reef/issues/677/events","html_url":"https://github.com/apache/reef/pull/677","id":118347507,"number":677,"title":"[REEF-1004] Define Avro schema for Vortex messages","user":{"login":"yunseong","id":1748276,"avatar_url":"https://avatars.githubusercontent.com/u/1748276?v=3","gravatar_id":"","url":"https://api.github.com/users/yunseong","html_url":"https://github.com/yunseong","followers_url":"https://api.github.com/users/yunseong/followers","following_url":"https://api.github.com/users/yunseong/following{/other_user}","gists_url":"https://api.github.com/users/yunseong/gists{/gist_id}","starred_url":"https://api.github.com/users/yunseong/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/yunseong/subscriptions","organizations_url":"https://api.github.com/users/yunseong/orgs","repos_url":"https://api.github.com/users/yunseong/repos","events_url":"https://api.github.com/users/yunseong/events{/privacy}","received_events_url":"https://api.github.com/users/yunseong/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":3,"created_at":"2015-11-23T09:48:34Z","updated_at":"2015-12-03T07:13:10Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/apache/reef/pulls/677","html_url":"https://github.com/apache/reef/pull/677","diff_url":"https://github.com/apache/reef/pull/677.diff","patch_url":"https://github.com/apache/reef/pull/677.patch"},"body":"This addressed the issue by\r\n  * Defining Avro schema for Vortex messages.\r\n  * Adding VortexAvroUtils to serialize/deserialize messages.\r\n  * Replacing SerializationUtils with Avro.\r\n  * Adding TODO comments for user function, input, and output.\r\n\r\nJIRA:\r\n  [REEF-1004](https://issues.apache.org/jira/browse/REEF-1004)\r\n\r\nPull Request:\r\n  This closes"},"comment":{"url":"https://api.github.com/repos/apache/reef/issues/comments/161537399","html_url":"https://github.com/apache/reef/pull/677#issuecomment-161537399","issue_url":"https://api.github.com/repos/apache/reef/issues/677","id":161537399,"user":{"login":"bgchun","id":359137,"avatar_url":"https://avatars.githubusercontent.com/u/359137?v=3","gravatar_id":"","url":"https://api.github.com/users/bgchun","html_url":"https://github.com/bgchun","followers_url":"https://api.github.com/users/bgchun/followers","following_url":"https://api.github.com/users/bgchun/following{/other_user}","gists_url":"https://api.github.com/users/bgchun/gists{/gist_id}","starred_url":"https://api.github.com/users/bgchun/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/bgchun/subscriptions","organizations_url":"https://api.github.com/users/bgchun/orgs","repos_url":"https://api.github.com/users/bgchun/repos","events_url":"https://api.github.com/users/bgchun/events{/privacy}","received_events_url":"https://api.github.com/users/bgchun/received_events","type":"User","site_admin":false},"created_at":"2015-12-03T07:13:10Z","updated_at":"2015-12-03T07:13:10Z","body":"@yunseong Overall, this looks good. I do have a question, though. \r\nRight now, we have only `taskletId`, but a tasklet can be executed multiple times. In other frameworks like Hadoop MR, multiple execution instances are differentiated by an attempt id. For us, this would be `taskletAttemptId`. Don't you think we need attempt ids?\r\n"}}