Merge pull request #2762 from estesp/cherrypick-exec-exit-chan-size-pr

[release/1.1] cherry-pick: Increase reaper buffer size

reaper/reaper.go

@@ -31,7 +31,7 @@ import (
 // ErrNoSuchProcess is returned when the process no longer exists
 var ErrNoSuchProcess = errors.New("no such process")
 
-const bufferSize = 32
+const bufferSize = 2048
 
 // Reap should be called when the process receives an SIGCHLD.  Reap will reap
 // all exited processes and close their wait channels
@@ -47,7 +47,6 @@ func Reap() error {
 				Status:    e.Status,
 			}
 		}
-
 	}
 	Default.Unlock()
 	return err