MAPREDUCE-3679. AM logs and others should not automatically refresh after every 1 second. (Vinod KV via mahadev) - Merging r1238146 from trunk.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1238148 13f79535-47bb-0310-9956-ffa450edef68

hadoop-mapreduce-project/CHANGES.txt

@@ -146,6 +146,9 @@ Release 0.23.1 - Unreleased
     MAPREDUCE-3732. Modified CapacityScheduler to use only users with pending
     requests for computing user-limits. (Arun C Murthy via vinodkv)
 
+    MAPREDUCE-3679. AM logs and others should not automatically refresh after every 1 
+    second. (Vinod KV  via mahadev)
+
   OPTIMIZATIONS
 
     MAPREDUCE-3567. Extraneous JobConf objects in AM heap. (Vinod Kumar

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/webapp/AppView.java

@@ -33,7 +33,6 @@ public class AppView extends TwoColumnLayout {
   }
 
   protected void commonPreHead(Page.HTML<_> html) {
-    html.meta_http("refresh", "10");
     set(ACCORDION_ID, "nav");
     set(initID(ACCORDION, "nav"), "{autoHeight:false, active:1}");
     set(THEMESWITCHER_ID, "themeswitcher");

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/webapp/CountersPage.java

@@ -27,6 +27,10 @@ public class CountersPage extends AppView {
 
   @Override protected void preHead(Page.HTML<_> html) {
     commonPreHead(html);
+
+    // Counters page is a summary. Helps to refresh automatically.
+    html.meta_http("refresh", "10");
+
     String tid = $(TASK_ID);
     String activeNav = "3";
     if(tid == null || tid.isEmpty()) {

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/webapp/JobPage.java

@@ -32,6 +32,10 @@ public class JobPage extends AppView {
     set(TITLE, jobID.isEmpty() ? "Bad request: missing job ID"
                : join("MapReduce Job ", $(JOB_ID)));
     commonPreHead(html);
+
+    // This is a job-summary page. Helps to refresh automatically.
+    html.meta_http("refresh", "10");
+
     set(initID(ACCORDION, "nav"), "{autoHeight:false, active:2}");
   }
 

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/webapp/TaskPage.java

@@ -116,6 +116,11 @@ public class TaskPage extends AppView {
 
   @Override protected void preHead(Page.HTML<_> html) {
     commonPreHead(html);
+
+    // This page is a list of all attempts which are limited in number. Okay to
+    // refresh automatically.
+    html.meta_http("refresh", "10");
+
     set(initID(ACCORDION, "nav"), "{autoHeight:false, active:3}");
     set(DATATABLES_ID, "attempts");
     set(initID(DATATABLES, "attempts"), attemptsTableInit());

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/webapp/ApplicationPage.java

@@ -44,6 +44,10 @@ public class ApplicationPage extends NMView implements YarnWebParams {
 
   @Override protected void preHead(Page.HTML<_> html) {
     commonPreHead(html);
+
+    // Per-app information. Helps to refresh automatically.
+    html.meta_http("refresh", "10");
+
     set(DATATABLES_ID, "containers");
     set(initID(DATATABLES, "containers"), containersTableInit());
     setTableStyles(html, "containers");

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/webapp/ContainerLogsPage.java

@@ -62,7 +62,6 @@ public class ContainerLogsPage extends NMView {
     String redirectUrl = $(REDIRECT_URL);
     if (redirectUrl == null || redirectUrl.isEmpty()) {
       set(TITLE, join("Logs for ", $(CONTAINER_ID)));
-      html.meta_http("refresh", "10");
     } else {
       if (redirectUrl.equals("false")) {
         set(TITLE, join("Failed redirect for ", $(CONTAINER_ID)));

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/webapp/ContainerPage.java

@@ -40,6 +40,10 @@ public class ContainerPage extends NMView implements YarnWebParams {
   @Override
   protected void preHead(Page.HTML<_> html) {
     commonPreHead(html);
+
+    // Per-container information. Helps to refresh automatically.
+    html.meta_http("refresh", "10");
+
     setTitle("Container " + $(CONTAINER_ID));
     set(initID(ACCORDION, "nav"), "{autoHeight:false, active:0}");
   }

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/webapp/NMView.java

@@ -33,7 +33,6 @@ public class NMView extends TwoColumnLayout {
     }
 
   protected void commonPreHead(Page.HTML<_> html) {
-    html.meta_http("refresh", "10");
     set(ACCORDION_ID, "nav");
     set(initID(ACCORDION, "nav"), "{autoHeight:false, active:0}");
     set(THEMESWITCHER_ID, "themeswitcher");

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/webapp/NodePage.java

@@ -41,6 +41,10 @@ public class NodePage extends NMView {
   @Override
   protected void commonPreHead(HTML<_> html) {
     super.commonPreHead(html);
+
+    // Node summary page. Helps to refresh automatically.
+    html.meta_http("refresh", "10");
+
     set(initID(ACCORDION, "nav"), "{autoHeight:false, active:0}");
   }
 

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/AppPage.java

@@ -24,6 +24,8 @@ public class AppPage extends RmView {
 
   @Override protected void preHead(Page.HTML<_> html) {
     commonPreHead(html);
+    // App page is per-app information. Helps to refresh automatically.
+    html.meta_http("refresh", "10");
   }
 
   @Override protected Class<? extends SubView> content() {

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RmView.java

@@ -39,7 +39,6 @@ public class RmView extends TwoColumnLayout {
   }
 
   protected void commonPreHead(Page.HTML<_> html) {
-    //html.meta_http("refresh", "20");
     set(ACCORDION_ID, "nav");
     set(initID(ACCORDION, "nav"), "{autoHeight:false, active:0}");
     set(THEMESWITCHER_ID, "themeswitcher");