{"action":"created","comment":{"url":"https://api.github.com/repos/akka/akka/pulls/comments/23018128","id":23018128,"diff_hunk":"@@ -249,14 +269,35 @@ private[cluster] case class HeartbeatNodeRing(selfAddress: UniqueAddress, nodes:\n   /**\n    * The receivers to use from a specified sender.\n    */\n-  def receivers(sender: UniqueAddress): immutable.Set[UniqueAddress] =\n+  def receivers(sender: UniqueAddress): Set[UniqueAddress] =\n     if (useAllAsReceivers)\n       nodeRing - sender\n     else {\n-      val slice = nodeRing.from(sender).tail.take(monitoredByNrOfMembers)\n-      if (slice.size < monitoredByNrOfMembers)\n-        (slice ++ nodeRing.take(monitoredByNrOfMembers - slice.size))\n-      else slice\n+\n+      // Pick nodes from the iterator until n nodes that are not unreachable have been selected.\n+      // Intermediate unreachable nodes are also included in the result.","path":"akka-cluster/src/main/scala/akka/cluster/ClusterHeartbeat.scala","position":155,"original_position":155,"commit_id":"4510b8ba2746d3a4bf3abcfd13b0e5d103ed98b2","original_commit_id":"4510b8ba2746d3a4bf3abcfd13b0e5d103ed98b2","user":{"login":"drewhk","id":932285,"avatar_url":"https://avatars.githubusercontent.com/u/932285?v=3","gravatar_id":"","url":"https://api.github.com/users/drewhk","html_url":"https://github.com/drewhk","followers_url":"https://api.github.com/users/drewhk/followers","following_url":"https://api.github.com/users/drewhk/following{/other_user}","gists_url":"https://api.github.com/users/drewhk/gists{/gist_id}","starred_url":"https://api.github.com/users/drewhk/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/drewhk/subscriptions","organizations_url":"https://api.github.com/users/drewhk/orgs","repos_url":"https://api.github.com/users/drewhk/repos","events_url":"https://api.github.com/users/drewhk/events{/privacy}","received_events_url":"https://api.github.com/users/drewhk/received_events","type":"User","site_admin":false},"body":"why do we include them?","created_at":"2015-01-15T15:44:44Z","updated_at":"2015-01-15T15:44:44Z","html_url":"https://github.com/akka/akka/pull/16638#discussion_r23018128","pull_request_url":"https://api.github.com/repos/akka/akka/pulls/16638","_links":{"self":{"href":"https://api.github.com/repos/akka/akka/pulls/comments/23018128"},"html":{"href":"https://github.com/akka/akka/pull/16638#discussion_r23018128"},"pull_request":{"href":"https://api.github.com/repos/akka/akka/pulls/16638"}}},"pull_request":{"url":"https://api.github.com/repos/akka/akka/pulls/16638","id":27193063,"html_url":"https://github.com/akka/akka/pull/16638","diff_url":"https://github.com/akka/akka/pull/16638.diff","patch_url":"https://github.com/akka/akka/pull/16638.patch","issue_url":"https://api.github.com/repos/akka/akka/issues/16638","number":16638,"state":"open","locked":false,"title":"=clu #16624 Expand the monitored nodes when unreachable","user":{"login":"patriknw","id":336161,"avatar_url":"https://avatars.githubusercontent.com/u/336161?v=3","gravatar_id":"","url":"https://api.github.com/users/patriknw","html_url":"https://github.com/patriknw","followers_url":"https://api.github.com/users/patriknw/followers","following_url":"https://api.github.com/users/patriknw/following{/other_user}","gists_url":"https://api.github.com/users/patriknw/gists{/gist_id}","starred_url":"https://api.github.com/users/patriknw/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/patriknw/subscriptions","organizations_url":"https://api.github.com/users/patriknw/orgs","repos_url":"https://api.github.com/users/patriknw/repos","events_url":"https://api.github.com/users/patriknw/events{/privacy}","received_events_url":"https://api.github.com/users/patriknw/received_events","type":"User","site_admin":false},"body":"* Otherwise the leader might stall (cannot remove downed nodes)\r\n  if many nodes are shutdown at the same time and nobody in the\r\n  remaining cluster is monitoring some of the shutdown 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