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ritesh pushed a commit to branch revert-5905-HDDS-10047
in repository https://gitbox.apache.org/repos/asf/ozone.git

commit 863da84001ed61c0f812f74432d2ed5220f9c130
Author: Ritesh H Shukla <[email protected]>
AuthorDate: Tue Jan 2 10:15:59 2024 -0800

    Revert "Add new metrics and amend test cases with them (#5905)"
    
    This reverts commit f782b6402212746175abdc472d818aa880723c9d.
---
 .../main/java/org/apache/hadoop/hdds/scm/node/SCMNodeManager.java   | 4 ----
 .../main/java/org/apache/hadoop/hdds/scm/node/SCMNodeMetrics.java   | 4 ----
 .../java/org/apache/hadoop/hdds/scm/node/TestSCMNodeManager.java    | 4 ----
 .../java/org/apache/hadoop/ozone/scm/node/TestSCMNodeMetrics.java   | 6 ------
 4 files changed, 18 deletions(-)

diff --git 
a/hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/node/SCMNodeManager.java
 
b/hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/node/SCMNodeManager.java
index e9b7d220e1..e2cce7ac09 100644
--- 
a/hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/node/SCMNodeManager.java
+++ 
b/hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/node/SCMNodeManager.java
@@ -1044,8 +1044,6 @@ public class SCMNodeManager implements NodeManager {
         nodeInfo.put(s.label + stat.name(), 0L);
       }
     }
-    nodeInfo.put("TotalCapacity", 0L);
-    nodeInfo.put("TotalUsed", 0L);
 
     for (DatanodeInfo node : nodeStateManager.getAllNodes()) {
       String keyPrefix = "";
@@ -1080,8 +1078,6 @@ public class SCMNodeManager implements NodeManager {
           nodeInfo.compute(keyPrefix + UsageMetrics.SSDUsed.name(),
               (k, v) -> v + reportProto.getScmUsed());
         }
-        nodeInfo.compute("TotalCapacity", (k, v) -> v + 
reportProto.getCapacity());
-        nodeInfo.compute("TotalUsed", (k, v) -> v + reportProto.getScmUsed());
       }
     }
     return nodeInfo;
diff --git 
a/hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/node/SCMNodeMetrics.java
 
b/hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/node/SCMNodeMetrics.java
index bbf927fe27..472085fe09 100644
--- 
a/hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/node/SCMNodeMetrics.java
+++ 
b/hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/node/SCMNodeMetrics.java
@@ -135,7 +135,6 @@ public final class SCMNodeMetrics implements MetricsSource {
   public void getMetrics(MetricsCollector collector, boolean all) {
     Map<String, Map<String, Integer>> nodeCount = managerMXBean.getNodeCount();
     Map<String, Long> nodeInfo = managerMXBean.getNodeInfo();
-    int totalNodeCount = 0;
     /**
      * Loop over the Node map and create a metric for the cross product of all
      * Operational and health states, ie:
@@ -153,11 +152,8 @@ public final class SCMNodeMetrics implements MetricsSource 
{
                 StringUtils.camelize(e.getKey() + "_" + h.getKey() + "_nodes"),
                 "Number of " + e.getKey() + " " + h.getKey() + " datanodes"),
             h.getValue());
-        totalNodeCount += h.getValue();
       }
     }
-    metrics.addGauge(
-        Interns.info("AllNodes", "Number of datanodes"), totalNodeCount);
 
     for (Map.Entry<String, Long> e : nodeInfo.entrySet()) {
       metrics.addGauge(
diff --git 
a/hadoop-hdds/server-scm/src/test/java/org/apache/hadoop/hdds/scm/node/TestSCMNodeManager.java
 
b/hadoop-hdds/server-scm/src/test/java/org/apache/hadoop/hdds/scm/node/TestSCMNodeManager.java
index f99669f3e6..24e8d5bc4f 100644
--- 
a/hadoop-hdds/server-scm/src/test/java/org/apache/hadoop/hdds/scm/node/TestSCMNodeManager.java
+++ 
b/hadoop-hdds/server-scm/src/test/java/org/apache/hadoop/hdds/scm/node/TestSCMNodeManager.java
@@ -1982,10 +1982,6 @@ public class TestSCMNodeManager {
     assertEquals(2000, stats.get("MaintenanceDiskCapacity").longValue());
     assertEquals(100, stats.get("MaintenanceDiskUsed").longValue());
     assertEquals(1900, stats.get("MaintenanceDiskRemaining").longValue());
-
-    // All nodes
-    assertEquals(12000, stats.get("TotalCapacity").longValue());
-    assertEquals(600, stats.get("TotalUsed").longValue());
   }
 
   /**
diff --git 
a/hadoop-hdds/server-scm/src/test/java/org/apache/hadoop/ozone/scm/node/TestSCMNodeMetrics.java
 
b/hadoop-hdds/server-scm/src/test/java/org/apache/hadoop/ozone/scm/node/TestSCMNodeMetrics.java
index a16914a796..41a32cef43 100644
--- 
a/hadoop-hdds/server-scm/src/test/java/org/apache/hadoop/ozone/scm/node/TestSCMNodeMetrics.java
+++ 
b/hadoop-hdds/server-scm/src/test/java/org/apache/hadoop/ozone/scm/node/TestSCMNodeMetrics.java
@@ -253,12 +253,6 @@ public class TestSCMNodeMetrics {
         getMetrics(SCMNodeMetrics.class.getSimpleName()));
     assertGauge("DecommissionedSSDRemaining", 0L,
         getMetrics(SCMNodeMetrics.class.getSimpleName()));
-    assertGauge("AllNodes", 1,
-        getMetrics(SCMNodeMetrics.class.getSimpleName()));
-    assertGauge("TotalCapacity", 100L,
-        getMetrics(SCMNodeMetrics.class.getSimpleName()));
-    assertGauge("TotalUsed", 10L,
-        getMetrics(SCMNodeMetrics.class.getSimpleName()));
 
     LayoutVersionManager versionManager = 
nodeManager.getLayoutVersionManager();
     LayoutVersionProto layoutInfo = LayoutVersionProto.newBuilder()


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