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Posted to commits@hbase.apache.org by ap...@apache.org on 2018/12/14 00:15:15 UTC

[47/50] [abbrv] hbase git commit: HBASE-20857 balancer status tag in jmx metrics

HBASE-20857 balancer status tag in jmx metrics

Signed-off-by: Andrew Purtell <ap...@apache.org>
Amending-Author: Andrew Purtell <ap...@apache.org>


Project: http://git-wip-us.apache.org/repos/asf/hbase/repo
Commit: http://git-wip-us.apache.org/repos/asf/hbase/commit/10c4f59e
Tree: http://git-wip-us.apache.org/repos/asf/hbase/tree/10c4f59e
Diff: http://git-wip-us.apache.org/repos/asf/hbase/diff/10c4f59e

Branch: refs/heads/branch-1.3
Commit: 10c4f59eca5c8b6e037e5551388e19928cd20fce
Parents: 785e21f
Author: Kiran Kumar Maturi <ma...@gmail.com>
Authored: Tue Sep 18 09:45:26 2018 +0530
Committer: Andrew Purtell <ap...@apache.org>
Committed: Wed Dec 12 19:25:56 2018 -0800

----------------------------------------------------------------------
 .../master/balancer/MetricsBalancerSource.java  |   3 +
 .../balancer/MetricsBalancerSourceImpl.java     |   7 +-
 .../org/apache/hadoop/hbase/master/HMaster.java |   5 +
 .../hadoop/hbase/master/LoadBalancer.java       |   3 +
 .../hadoop/hbase/master/MasterRpcServices.java  |   1 +
 .../hadoop/hbase/master/MasterServices.java     |   5 +
 .../hbase/master/balancer/BaseLoadBalancer.java |   7 ++
 .../hbase/master/balancer/MetricsBalancer.java  |   4 +
 .../balancer/MetricsStochasticBalancer.java     |   8 ++
 .../hbase/master/MockNoopMasterServices.java    |   5 +
 .../hadoop/hbase/master/TestCatalogJanitor.java |   5 +
 .../TestBalancerStatusTagInJMXMetrics.java      | 108 +++++++++++++++++++
 12 files changed, 160 insertions(+), 1 deletion(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hbase/blob/10c4f59e/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/master/balancer/MetricsBalancerSource.java
----------------------------------------------------------------------
diff --git a/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/master/balancer/MetricsBalancerSource.java b/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/master/balancer/MetricsBalancerSource.java
index 1c9a61e..f9cc62b 100644
--- a/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/master/balancer/MetricsBalancerSource.java
+++ b/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/master/balancer/MetricsBalancerSource.java
@@ -39,6 +39,7 @@ public interface MetricsBalancerSource extends BaseSource  {
 
   String BALANCE_CLUSTER = "balancerCluster";
   String MISC_INVOATION_COUNT = "miscInvocationCount";
+  String BALANCER_STATUS = "isBalancerActive";
 
   /**
    * Description
@@ -48,4 +49,6 @@ public interface MetricsBalancerSource extends BaseSource  {
   void updateBalanceCluster(long time);
 
   void incrMiscInvocations();
+
+  void updateBalancerStatus(boolean status);
 }

http://git-wip-us.apache.org/repos/asf/hbase/blob/10c4f59e/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/master/balancer/MetricsBalancerSourceImpl.java
----------------------------------------------------------------------
diff --git a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/master/balancer/MetricsBalancerSourceImpl.java b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/master/balancer/MetricsBalancerSourceImpl.java
index 0a74630..de904d4 100644
--- a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/master/balancer/MetricsBalancerSourceImpl.java
+++ b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/master/balancer/MetricsBalancerSourceImpl.java
@@ -37,6 +37,7 @@ public class MetricsBalancerSourceImpl extends BaseSourceImpl implements Metrics
                                    String metricsDescription,
                                    String metricsContext, String metricsJmxContext) {
     super(metricsName, metricsDescription, metricsContext, metricsJmxContext);
+    updateBalancerStatus(true);
   }
 
 
@@ -44,7 +45,6 @@ public class MetricsBalancerSourceImpl extends BaseSourceImpl implements Metrics
   public void init() {
     blanceClusterHisto = metricsRegistry.newTimeHistogram(BALANCE_CLUSTER);
     miscCount = metricsRegistry.newCounter(MISC_INVOATION_COUNT, "", 0L);
-
   }
 
   @Override
@@ -56,4 +56,9 @@ public class MetricsBalancerSourceImpl extends BaseSourceImpl implements Metrics
   public void incrMiscInvocations() {
      miscCount.incr();
   }
+
+  @Override
+  public void updateBalancerStatus(boolean status) {
+    metricsRegistry.tag(BALANCER_STATUS,"", String.valueOf(status), true);
+  }
 }

http://git-wip-us.apache.org/repos/asf/hbase/blob/10c4f59e/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
index 74e1500..e1f7ad1 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
@@ -2427,6 +2427,11 @@ public class HMaster extends HRegionServer implements MasterServices, Server {
   }
 
   @Override
+  public LoadBalancer getLoadBalancer() {
+    return balancer;
+  }
+
+  @Override
   public ServerName getServerName() {
     return this.serverName;
   }

http://git-wip-us.apache.org/repos/asf/hbase/blob/10c4f59e/hbase-server/src/main/java/org/apache/hadoop/hbase/master/LoadBalancer.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/LoadBalancer.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/LoadBalancer.java
index 1642af1..d5fdeb1 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/LoadBalancer.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/LoadBalancer.java
@@ -154,4 +154,7 @@ public interface LoadBalancer extends Configurable, Stoppable, ConfigurationObse
    * If balancer needs to do initialization after Master has started up, lets do that here.
    */
   void postMasterStartupInitialize();
+
+  /*Updates balancer status tag reported to JMX*/
+  void updateBalancerStatus(boolean status);
 }

http://git-wip-us.apache.org/repos/asf/hbase/blob/10c4f59e/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java
index 94554b8..b5b0a78 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java
@@ -272,6 +272,7 @@ public class MasterRpcServices extends RSRpcServices
       if (master.cpHost != null) {
         master.cpHost.postBalanceSwitch(oldValue, newValue);
       }
+      master.getLoadBalancer().updateBalancerStatus(newValue);
     } catch (IOException ioe) {
       LOG.warn("Error flipping balance switch", ioe);
     }

http://git-wip-us.apache.org/repos/asf/hbase/blob/10c4f59e/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterServices.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterServices.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterServices.java
index 368441f..cfc93c4 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterServices.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterServices.java
@@ -97,6 +97,11 @@ public interface MasterServices extends Server {
   ProcedureExecutor<MasterProcedureEnv> getMasterProcedureExecutor();
 
   /**
+   * @return load balancer
+   */
+  LoadBalancer getLoadBalancer();
+
+  /**
    * Check table is modifiable; i.e. exists and is offline.
    * @param tableName Name of table to check.
    * @throws TableNotDisabledException

http://git-wip-us.apache.org/repos/asf/hbase/blob/10c4f59e/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.java
index c6d8e7b..3e26373 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.java
@@ -1535,6 +1535,13 @@ public abstract class BaseLoadBalancer implements LoadBalancer {
   }
 
   /**
+  * Updates the balancer status tag reported to JMX
+  */
+  public void updateBalancerStatus(boolean status) {
+    metricsBalancer.balancerStatus(status);
+  }
+
+  /**
    * Used to assign a single region to a random server.
    */
   private ServerName randomAssignment(Cluster cluster, HRegionInfo regionInfo,

http://git-wip-us.apache.org/repos/asf/hbase/blob/10c4f59e/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/MetricsBalancer.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/MetricsBalancer.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/MetricsBalancer.java
index ac2a517..40fb2e0 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/MetricsBalancer.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/MetricsBalancer.java
@@ -46,4 +46,8 @@ public class MetricsBalancer {
   public void incrMiscInvocations() {
     source.incrMiscInvocations();
   }
+
+  public void balancerStatus(boolean status) {
+    source.updateBalancerStatus(status);
+  }
 }

http://git-wip-us.apache.org/repos/asf/hbase/blob/10c4f59e/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/MetricsStochasticBalancer.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/MetricsStochasticBalancer.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/MetricsStochasticBalancer.java
index 850a9f5..0a1f4ae 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/MetricsStochasticBalancer.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/MetricsStochasticBalancer.java
@@ -55,6 +55,14 @@ public class MetricsStochasticBalancer extends MetricsBalancer {
   }
 
   /**
+   * Updates the balancer status tag reported to JMX
+   */
+  @Override
+  public void balancerStatus(boolean status) {
+    stochasticSource.updateBalancerStatus(status);
+  }
+
+  /**
    * Updates the number of metrics reported to JMX
    */
   public void updateMetricsSize(int size) {

http://git-wip-us.apache.org/repos/asf/hbase/blob/10c4f59e/hbase-server/src/test/java/org/apache/hadoop/hbase/master/MockNoopMasterServices.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/MockNoopMasterServices.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/MockNoopMasterServices.java
index 530359a..94e9e20 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/MockNoopMasterServices.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/MockNoopMasterServices.java
@@ -85,6 +85,11 @@ public class MockNoopMasterServices implements MasterServices, Server {
   }
 
   @Override
+  public LoadBalancer getLoadBalancer() {
+    return null;
+  }
+
+  @Override
   public void checkTableModifiable(TableName tableName) throws IOException, TableNotFoundException, TableNotDisabledException {
 
   }

http://git-wip-us.apache.org/repos/asf/hbase/blob/10c4f59e/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestCatalogJanitor.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestCatalogJanitor.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestCatalogJanitor.java
index 59c7a10..c53ab01 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestCatalogJanitor.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestCatalogJanitor.java
@@ -284,6 +284,11 @@ public class TestCatalogJanitor {
     }
 
     @Override
+    public LoadBalancer getLoadBalancer() {
+      return null;
+    }
+
+    @Override
     public ServerManager getServerManager() {
       return sm;
     }

http://git-wip-us.apache.org/repos/asf/hbase/blob/10c4f59e/hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestBalancerStatusTagInJMXMetrics.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestBalancerStatusTagInJMXMetrics.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestBalancerStatusTagInJMXMetrics.java
new file mode 100644
index 0000000..03488ea
--- /dev/null
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestBalancerStatusTagInJMXMetrics.java
@@ -0,0 +1,108 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for additional information regarding
+ * copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License. You may obtain a
+ * copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable
+ * law or agreed to in writing, software distributed under the License is distributed on an "AS IS"
+ * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License
+ * for the specific language governing permissions and limitations under the License.
+ */
+
+package org.apache.hadoop.hbase.master.balancer;
+
+import static org.junit.Assert.assertEquals;
+
+import java.util.Random;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hbase.HBaseTestingUtility;
+import org.apache.hadoop.hbase.MiniHBaseCluster;
+import org.apache.hadoop.hbase.master.HMaster;
+import org.apache.hadoop.hbase.testclassification.MediumTests;
+import org.apache.hadoop.metrics2.MetricsSource;
+import org.apache.hadoop.metrics2.MetricsTag;
+import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+
+@Category({ MediumTests.class })
+public class TestBalancerStatusTagInJMXMetrics extends BalancerTestBase {
+  private static final Log LOG = LogFactory.getLog(TestBalancerStatusTagInJMXMetrics.class);
+  private static HBaseTestingUtility UTIL = new HBaseTestingUtility();
+  private static int connectorPort = 61120;
+  private static HMaster master;
+  private static MiniHBaseCluster cluster;
+  private static Configuration conf = null;
+
+  /**
+   * Setup the environment for the test.
+   */
+  @BeforeClass
+  public static void setupBeforeClass() throws Exception {
+
+    conf = UTIL.getConfiguration();
+    Random rand = new Random();
+    for (int i = 0; i < 10; i++) {
+      do {
+        int sign = i % 2 == 0 ? 1 : -1;
+        connectorPort += sign * rand.nextInt(100);
+      } while (!HBaseTestingUtility.available(connectorPort));
+      try {
+        conf.setInt("regionserver.rmi.registry.port", connectorPort);
+        cluster = UTIL.startMiniCluster();
+        LOG.info("Waiting for active/ready master");
+        cluster.waitForActiveAndReadyMaster();
+        master = cluster.getMaster();
+        break;
+      } catch (Exception e) {
+        LOG.debug("Encountered exception when starting mini cluster. Trying port " + connectorPort,
+          e);
+        try {
+          // this is to avoid "IllegalStateException: A mini-cluster is already running"
+          UTIL.shutdownMiniCluster();
+        } catch (Exception ex) {
+          LOG.debug("Encountered exception shutting down cluster", ex);
+        }
+      }
+    }
+  }
+
+  @AfterClass
+  public static void tearDownAfterClass() throws Exception {
+    UTIL.shutdownMiniCluster();
+  }
+
+  /**
+   * Tests the status change using the Default Metrics System
+   */
+  @Test
+  public void testJmxMetrics() throws Exception {
+
+    assertEquals(getStatus(), "true");
+    master.getLoadBalancer().updateBalancerStatus(false);
+    assertEquals(getStatus(), "false");
+
+  }
+
+  /**
+   * Gets the balancer status tag from the Metrics registry
+   */
+  public String getStatus() throws Exception {
+    MetricsSource source =
+        DefaultMetricsSystem.instance().getSource(MetricsBalancerSource.METRICS_JMX_CONTEXT);
+    if (source instanceof MetricsBalancerSourceImpl) {
+      MetricsTag status = ((MetricsBalancerSourceImpl) source).getMetricsRegistry()
+          .getTag(MetricsBalancerSource.BALANCER_STATUS);
+      return status.value();
+    } else {
+      LOG.warn("Balancer JMX Metrics not registered");
+      throw new Exception("MetricsBalancer JMX Context not found");
+    }
+  }
+
+}