From 1e8eb06492ed8333fa0d4d2c1729a44097c1fc4d Mon Sep 17 00:00:00 2001
From: "zhichao.li" <zhichao.li@intel.com>
Date: Thu, 21 May 2015 16:28:59 +0800
Subject: [PATCH] only showing alive workers

---
 .../apache/spark/deploy/master/ui/MasterPage.scala    | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/core/src/main/scala/org/apache/spark/deploy/master/ui/MasterPage.scala b/core/src/main/scala/org/apache/spark/deploy/master/ui/MasterPage.scala
index 756927682cd24..fbcd0e2d3431d 100644
--- a/core/src/main/scala/org/apache/spark/deploy/master/ui/MasterPage.scala
+++ b/core/src/main/scala/org/apache/spark/deploy/master/ui/MasterPage.scala
@@ -75,6 +75,7 @@ private[ui] class MasterPage(parent: MasterWebUI) extends WebUIPage("") {
 
     val workerHeaders = Seq("Worker Id", "Address", "State", "Cores", "Memory")
     val workers = state.workers.sortBy(_.id)
+    val aliveWorkers = state.workers.filter(_.state == WorkerState.ALIVE )
     val workerTable = UIUtils.listingTable(workerHeaders, workerRow, workers)
 
     val appHeaders = Seq("Application ID", "Name", "Cores", "Memory per Node", "Submitted Time",
@@ -108,12 +109,12 @@ private[ui] class MasterPage(parent: MasterWebUI) extends WebUIPage("") {
                   </li>
                 }.getOrElse { Seq.empty }
               }
-              <li><strong>Workers:</strong> {state.workers.size}</li>
-              <li><strong>Cores:</strong> {state.workers.map(_.cores).sum} Total,
-                {state.workers.map(_.coresUsed).sum} Used</li>
+              <li><strong>Workers:</strong> {aliveWorkers.size}</li>
+              <li><strong>Cores:</strong> {aliveWorkers.map(_.cores).sum} Total,
+                {aliveWorkers.map(_.coresUsed).sum} Used</li>
               <li><strong>Memory:</strong>
-                {Utils.megabytesToString(state.workers.map(_.memory).sum)} Total,
-                {Utils.megabytesToString(state.workers.map(_.memoryUsed).sum)} Used</li>
+                {Utils.megabytesToString(aliveWorkers.map(_.memory).sum)} Total,
+                {Utils.megabytesToString(aliveWorkers.map(_.memoryUsed).sum)} Used</li>
               <li><strong>Applications:</strong>
                 {state.activeApps.size} Running,
                 {state.completedApps.size} Completed </li>