{"action":"created","issue":{"url":"https://api.github.com/repos/scala/bug/issues/10810","repository_url":"https://api.github.com/repos/scala/bug","labels_url":"https://api.github.com/repos/scala/bug/issues/10810/labels{/name}","comments_url":"https://api.github.com/repos/scala/bug/issues/10810/comments","events_url":"https://api.github.com/repos/scala/bug/issues/10810/events","html_url":"https://github.com/scala/bug/issues/10810","id":309696239,"number":10810,"title":"Execution context thread starvation","user":{"login":"remk","id":965987,"avatar_url":"https://avatars1.githubusercontent.com/u/965987?v=4","gravatar_id":"","url":"https://api.github.com/users/remk","html_url":"https://github.com/remk","followers_url":"https://api.github.com/users/remk/followers","following_url":"https://api.github.com/users/remk/following{/other_user}","gists_url":"https://api.github.com/users/remk/gists{/gist_id}","starred_url":"https://api.github.com/users/remk/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/remk/subscriptions","organizations_url":"https://api.github.com/users/remk/orgs","repos_url":"https://api.github.com/users/remk/repos","events_url":"https://api.github.com/users/remk/events{/privacy}","received_events_url":"https://api.github.com/users/remk/received_events","type":"User","site_admin":false},"labels":[{"id":829247608,"url":"https://api.github.com/repos/scala/bug/labels/concurrency","name":"concurrency","color":"b37cd3","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":{"url":"https://api.github.com/repos/scala/bug/milestones/2","html_url":"https://github.com/scala/bug/milestone/2","labels_url":"https://api.github.com/repos/scala/bug/milestones/2/labels","id":2441750,"number":2,"title":"Backlog","description":"Use as the fix-by version of an issue that's been triaged but that we don't intend to fix in the near future.","creator":{"login":"scabug","id":26753039,"avatar_url":"https://avatars2.githubusercontent.com/u/26753039?v=4","gravatar_id":"","url":"https://api.github.com/users/scabug","html_url":"https://github.com/scabug","followers_url":"https://api.github.com/users/scabug/followers","following_url":"https://api.github.com/users/scabug/following{/other_user}","gists_url":"https://api.github.com/users/scabug/gists{/gist_id}","starred_url":"https://api.github.com/users/scabug/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/scabug/subscriptions","organizations_url":"https://api.github.com/users/scabug/orgs","repos_url":"https://api.github.com/users/scabug/repos","events_url":"https://api.github.com/users/scabug/events{/privacy}","received_events_url":"https://api.github.com/users/scabug/received_events","type":"User","site_admin":false},"open_issues":1021,"closed_issues":130,"state":"open","created_at":"2017-04-06T22:23:54Z","updated_at":"2018-04-12T23:20:54Z","due_on":null,"closed_at":null},"comments":14,"created_at":"2018-03-29T10:08:16Z","updated_at":"2018-04-16T14:29:50Z","closed_at":null,"author_association":"NONE","body":"If we run a batch of Future not in a blockcontext after a batch of Future in a blocking context,\r\nwith a batch size greater or equal  than the initial number of threads in the pool + 256. \r\nThe second batch will be executed on a single thread.\r\n\r\nThe gist reproducing the issue. Tune it with your thread pool size.\r\nhttps://gist.github.com/remk/afb869fc09b530cb076f9cf28adfb759\r\n\r\nproblem encountered on mac osx, with java \"1.8.0_162\" and \"1.8.0_144\" and Scala 2.12.4"},"comment":{"url":"https://api.github.com/repos/scala/bug/issues/comments/381619035","html_url":"https://github.com/scala/bug/issues/10810#issuecomment-381619035","issue_url":"https://api.github.com/repos/scala/bug/issues/10810","id":381619035,"user":{"login":"viktorklang","id":10871,"avatar_url":"https://avatars2.githubusercontent.com/u/10871?v=4","gravatar_id":"","url":"https://api.github.com/users/viktorklang","html_url":"https://github.com/viktorklang","followers_url":"https://api.github.com/users/viktorklang/followers","following_url":"https://api.github.com/users/viktorklang/following{/other_user}","gists_url":"https://api.github.com/users/viktorklang/gists{/gist_id}","starred_url":"https://api.github.com/users/viktorklang/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/viktorklang/subscriptions","organizations_url":"https://api.github.com/users/viktorklang/orgs","repos_url":"https://api.github.com/users/viktorklang/repos","events_url":"https://api.github.com/users/viktorklang/events{/privacy}","received_events_url":"https://api.github.com/users/viktorklang/received_events","type":"User","site_admin":false},"created_at":"2018-04-16T14:29:50Z","updated_at":"2018-04-16T14:29:50Z","author_association":"NONE","body":"Possible fix: https://github.com/scala/scala/pull/6529/files"}}
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