From ca54bd950b4d5e2159d9cea86a3d38bb95fe7cf7 Mon Sep 17 00:00:00 2001
From: li-zhihui <zhihui.li@intel.com>
Date: Wed, 23 Jul 2014 14:58:02 +0800
Subject: [PATCH] Format log with String interpolation

---
 .../scheduler/cluster/CoarseGrainedSchedulerBackend.scala  | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala b/core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala
index ac2581c4e041e..f3d02b9b4abb6 100644
--- a/core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala
+++ b/core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala
@@ -268,14 +268,13 @@ class CoarseGrainedSchedulerBackend(scheduler: TaskSchedulerImpl, actorSystem: A
 
   override def isReady(): Boolean = {
     if (sufficientResourcesRegistered) {
-      logInfo("SchedulerBackend is ready for scheduling beginning" +
-        ", total expected resources: " + totalExpectedResources.get() +
-        ", minRegisteredResourcesRatio: " + minRegisteredRatio)
+      logInfo("SchedulerBackend is ready for scheduling beginning, total expected resources: " +
+        s"$totalExpectedResources, minRegisteredResourcesRatio: $minRegisteredRatio")
       return true
     }
     if ((System.currentTimeMillis() - createTime) >= maxRegisteredWaitingTime) {
       logInfo("SchedulerBackend is ready for scheduling beginning after waiting " +
-        "maxRegisteredResourcesWaitingTime(ms): " + maxRegisteredWaitingTime)
+        s"maxRegisteredResourcesWaitingTime: $maxRegisteredWaitingTime(ms)")
       return true
     }
     false