{"action":"created","issue":{"url":"https://api.github.com/repos/apache/spark/issues/7166","labels_url":"https://api.github.com/repos/apache/spark/issues/7166/labels{/name}","comments_url":"https://api.github.com/repos/apache/spark/issues/7166/comments","events_url":"https://api.github.com/repos/apache/spark/issues/7166/events","html_url":"https://github.com/apache/spark/pull/7166","id":92478914,"number":7166,"title":"[SPARK-5016][MLLib] Distribute GMM mixture components to executors","user":{"login":"feynmanliang","id":990069,"avatar_url":"https://avatars.githubusercontent.com/u/990069?v=3","gravatar_id":"","url":"https://api.github.com/users/feynmanliang","html_url":"https://github.com/feynmanliang","followers_url":"https://api.github.com/users/feynmanliang/followers","following_url":"https://api.github.com/users/feynmanliang/following{/other_user}","gists_url":"https://api.github.com/users/feynmanliang/gists{/gist_id}","starred_url":"https://api.github.com/users/feynmanliang/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/feynmanliang/subscriptions","organizations_url":"https://api.github.com/users/feynmanliang/orgs","repos_url":"https://api.github.com/users/feynmanliang/repos","events_url":"https://api.github.com/users/feynmanliang/events{/privacy}","received_events_url":"https://api.github.com/users/feynmanliang/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":27,"created_at":"2015-07-01T20:31:02Z","updated_at":"2015-07-08T19:19:30Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/apache/spark/pulls/7166","html_url":"https://github.com/apache/spark/pull/7166","diff_url":"https://github.com/apache/spark/pull/7166.diff","patch_url":"https://github.com/apache/spark/pull/7166.patch"},"body":"Distribute expensive portions of computation for Gaussian mixture components (in particular, pre-computation of `MultivariateGaussian.rootSigmaInv`, the inverse covariance matrix and covariance determinant) across executors. Repost of PR#4654.\r\n\r\nNotes for reviewers:\r\n * What should be the policy for when to distribute computation. Always? When numClusters > threshold? User-specified param?\r\n\r\nTODO:\r\n * Performance testing and comparison for large number of clusters"},"comment":{"url":"https://api.github.com/repos/apache/spark/issues/comments/119703172","html_url":"https://github.com/apache/spark/pull/7166#issuecomment-119703172","issue_url":"https://api.github.com/repos/apache/spark/issues/7166","id":119703172,"user":{"login":"SparkQA","id":8108735,"avatar_url":"https://avatars.githubusercontent.com/u/8108735?v=3","gravatar_id":"","url":"https://api.github.com/users/SparkQA","html_url":"https://github.com/SparkQA","followers_url":"https://api.github.com/users/SparkQA/followers","following_url":"https://api.github.com/users/SparkQA/following{/other_user}","gists_url":"https://api.github.com/users/SparkQA/gists{/gist_id}","starred_url":"https://api.github.com/users/SparkQA/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/SparkQA/subscriptions","organizations_url":"https://api.github.com/users/SparkQA/orgs","repos_url":"https://api.github.com/users/SparkQA/repos","events_url":"https://api.github.com/users/SparkQA/events{/privacy}","received_events_url":"https://api.github.com/users/SparkQA/received_events","type":"User","site_admin":false},"created_at":"2015-07-08T19:19:30Z","updated_at":"2015-07-08T19:19:30Z","body":"  [Test build #36822 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/36822/consoleFull) for   PR 7166 at commit [`5ea947e`](https://github.com/apache/spark/commit/5ea947ecb045362e6f02c09c240401fb4893e865)."}}