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Posted to commits@hbase.apache.org by ap...@apache.org on 2018/10/02 01:51:22 UTC

[1/5] hbase git commit: HBASE-18549 Add metrics for failed replication queue recovery

Repository: hbase
Updated Branches:
  refs/heads/branch-1 113554ded -> 6e0ee4efa
  refs/heads/branch-1.4 964a1d614 -> b22095eea
  refs/heads/branch-2 79ec1a1fd -> 8a5537b5f
  refs/heads/branch-2.1 f9d7ac2d5 -> 3df8b6f7b
  refs/heads/master 79fe878a3 -> 42aa3dd46


HBASE-18549 Add metrics for failed replication queue recovery

Signed-off-by: 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/42aa3dd4
Tree: http://git-wip-us.apache.org/repos/asf/hbase/tree/42aa3dd4
Diff: http://git-wip-us.apache.org/repos/asf/hbase/diff/42aa3dd4

Branch: refs/heads/master
Commit: 42aa3dd463c0d30a9b940d296b87316b5c67e1f5
Parents: 79fe878
Author: Xu Cang <xc...@salesforce.com>
Authored: Wed Aug 29 15:49:51 2018 -0700
Committer: Andrew Purtell <ap...@apache.org>
Committed: Mon Oct 1 18:38:55 2018 -0700

----------------------------------------------------------------------
 .../regionserver/MetricsReplicationSourceSource.java  |  2 ++
 .../MetricsReplicationGlobalSourceSource.java         |  8 +++++++-
 .../MetricsReplicationSourceSourceImpl.java           |  3 +++
 .../hbase/replication/ReplicationQueueStorage.java    |  7 +++++++
 .../hbase/replication/ZKReplicationQueueStorage.java  |  3 ++-
 .../hbase/replication/regionserver/MetricsSource.java |  4 ++++
 .../regionserver/ReplicationSourceManager.java        | 10 +++++++++-
 .../hbase/replication/TestReplicationEndpoint.java    | 14 +++++++++++++-
 8 files changed, 47 insertions(+), 4 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hbase/blob/42aa3dd4/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java
----------------------------------------------------------------------
diff --git a/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java b/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java
index 1045113..61e9431 100644
--- a/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java
+++ b/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java
@@ -53,6 +53,7 @@ public interface MetricsReplicationSourceSource extends BaseSource {
   public static final String SOURCE_REPEATED_LOG_FILE_BYTES = "source.repeatedLogFileBytes";
   public static final String SOURCE_COMPLETED_LOGS = "source.completedLogs";
   public static final String SOURCE_COMPLETED_RECOVERY_QUEUES = "source.completedRecoverQueues";
+  public static final String SOURCE_FAILED_RECOVERY_QUEUES = "source.failedRecoverQueues";
 
   void setLastShippedAge(long age);
   void incrSizeOfLogQueue(int size);
@@ -76,4 +77,5 @@ public interface MetricsReplicationSourceSource extends BaseSource {
   void incrRepeatedFileBytes(final long bytes);
   void incrCompletedWAL();
   void incrCompletedRecoveryQueue();
+  void incrFailedRecoveryQueue();
 }

http://git-wip-us.apache.org/repos/asf/hbase/blob/42aa3dd4/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java
----------------------------------------------------------------------
diff --git a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java
index 9a86cf2..4e8c810 100644
--- a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java
+++ b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java
@@ -52,6 +52,7 @@ public class MetricsReplicationGlobalSourceSource implements MetricsReplicationS
   private final MutableFastCounter repeatedFileBytes;
   private final MutableFastCounter completedWAL;
   private final MutableFastCounter completedRecoveryQueue;
+  private final MutableFastCounter failedRecoveryQueue;
 
   public MetricsReplicationGlobalSourceSource(MetricsReplicationSourceImpl rms) {
     this.rms = rms;
@@ -89,6 +90,8 @@ public class MetricsReplicationGlobalSourceSource implements MetricsReplicationS
     completedWAL = rms.getMetricsRegistry().getCounter(SOURCE_COMPLETED_LOGS, 0L);
     completedRecoveryQueue = rms.getMetricsRegistry()
             .getCounter(SOURCE_COMPLETED_RECOVERY_QUEUES, 0L);
+    failedRecoveryQueue = rms.getMetricsRegistry()
+            .getCounter(SOURCE_FAILED_RECOVERY_QUEUES, 0L);
   }
 
   @Override public void setLastShippedAge(long age) {
@@ -199,7 +202,10 @@ public class MetricsReplicationGlobalSourceSource implements MetricsReplicationS
   public void incrCompletedRecoveryQueue() {
     completedRecoveryQueue.incr(1L);
   }
-
+  @Override
+  public void incrFailedRecoveryQueue() {
+    failedRecoveryQueue.incr(1L);
+  }
   @Override
   public void init() {
     rms.init();

http://git-wip-us.apache.org/repos/asf/hbase/blob/42aa3dd4/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java
----------------------------------------------------------------------
diff --git a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java
index 719c916..0ad5052 100644
--- a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java
+++ b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java
@@ -258,6 +258,9 @@ public class MetricsReplicationSourceSourceImpl implements MetricsReplicationSou
   }
 
   @Override
+  public void incrFailedRecoveryQueue() {/*no op*/}
+
+  @Override
   public void init() {
     rms.init();
   }

http://git-wip-us.apache.org/repos/asf/hbase/blob/42aa3dd4/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueueStorage.java
----------------------------------------------------------------------
diff --git a/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueueStorage.java b/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueueStorage.java
index 84653ad..59278e9 100644
--- a/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueueStorage.java
+++ b/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueueStorage.java
@@ -202,4 +202,11 @@ public interface ReplicationQueueStorage {
    * created hfile references during the call may not be included.
    */
   Set<String> getAllHFileRefs() throws ReplicationException;
+
+  /**
+   * Get full znode name for given region server
+   * @param serverName the name of the region server
+   * @return full znode name
+   */
+  String getRsNode(ServerName serverName);
 }

http://git-wip-us.apache.org/repos/asf/hbase/blob/42aa3dd4/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ZKReplicationQueueStorage.java
----------------------------------------------------------------------
diff --git a/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ZKReplicationQueueStorage.java b/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ZKReplicationQueueStorage.java
index cca8bfc..68f2adc 100644
--- a/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ZKReplicationQueueStorage.java
+++ b/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ZKReplicationQueueStorage.java
@@ -118,7 +118,8 @@ class ZKReplicationQueueStorage extends ZKReplicationStorageBase
         .get(ZOOKEEPER_ZNODE_REPLICATION_REGIONS_KEY, ZOOKEEPER_ZNODE_REPLICATION_REGIONS_DEFAULT));
   }
 
-  private String getRsNode(ServerName serverName) {
+  @Override
+  public String getRsNode(ServerName serverName) {
     return ZNodePaths.joinZNode(queuesZNode, serverName.getServerName());
   }
 

http://git-wip-us.apache.org/repos/asf/hbase/blob/42aa3dd4/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java
index 906f0c6..830ebe1 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java
@@ -326,6 +326,10 @@ public class MetricsSource implements BaseSource {
     globalSourceSource.incrCompletedRecoveryQueue();
   }
 
+  public void incrFailedRecoveryQueue() {
+    globalSourceSource.incrFailedRecoveryQueue();
+  }
+
   @Override
   public void init() {
     singleSourceSource.init();

http://git-wip-us.apache.org/repos/asf/hbase/blob/42aa3dd4/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
index 428ec98..5756cbc 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
@@ -45,6 +45,7 @@ import java.util.stream.Collectors;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hbase.CompatibilitySingletonFactory;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.Server;
 import org.apache.hadoop.hbase.ServerName;
@@ -820,6 +821,8 @@ public class ReplicationSourceManager implements ReplicationListener {
     try {
       this.executor.execute(transfer);
     } catch (RejectedExecutionException ex) {
+      CompatibilitySingletonFactory.getInstance(MetricsReplicationSourceFactory.class)
+          .getGlobalSource().incrFailedRecoveryQueue();
       LOG.info("Cancelling the transfer of " + deadRS + " because of " + ex.getMessage());
     }
   }
@@ -891,7 +894,12 @@ public class ReplicationSourceManager implements ReplicationListener {
           queueStorage.removeReplicatorIfQueueIsEmpty(deadRS);
         }
       } catch (ReplicationException e) {
-        server.abort("Failed to claim queue from dead regionserver", e);
+        LOG.error(String.format("ReplicationException: cannot claim dead region (%s)'s " +
+            "replication queue. Znode : (%s)" +
+            " Possible solution: check if znode size exceeds jute.maxBuffer value. " +
+            " If so, increase it for both client and server side." + e),  deadRS,
+            queueStorage.getRsNode(deadRS));
+        server.abort("Failed to claim queue from dead regionserver.", e);
         return;
       }
       // Copying over the failed queue is completed.

http://git-wip-us.apache.org/repos/asf/hbase/blob/42aa3dd4/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
index 5d833cc..03fbb59 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
@@ -17,7 +17,9 @@
  */
 package org.apache.hadoop.hbase.replication;
 
+import static org.mockito.Mockito.doNothing;
 import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
@@ -316,11 +318,17 @@ public class TestReplicationEndpoint extends TestReplicationBase {
     MetricsReplicationSourceImpl globalRms = mock(MetricsReplicationSourceImpl.class);
     when(globalRms.getMetricsRegistry()).thenReturn(mockRegistry);
 
+
     MetricsReplicationSourceSource singleSourceSource = new MetricsReplicationSourceSourceImpl(singleRms, id);
     MetricsReplicationSourceSource globalSourceSource = new MetricsReplicationGlobalSourceSource(globalRms);
+    MetricsReplicationSourceSource spyglobalSourceSource = spy(globalSourceSource);
+    doNothing().when(spyglobalSourceSource).incrFailedRecoveryQueue();
+
     Map<String, MetricsReplicationSourceSource> singleSourceSourceByTable = new HashMap<>();
-    MetricsSource source = new MetricsSource(id, singleSourceSource, globalSourceSource,
+    MetricsSource source = new MetricsSource(id, singleSourceSource, spyglobalSourceSource,
         singleSourceSourceByTable);
+
+
     String gaugeName = "gauge";
     String singleGaugeName = "source.id." + gaugeName;
     String globalGaugeName = "source." + gaugeName;
@@ -340,6 +348,8 @@ public class TestReplicationEndpoint extends TestReplicationBase {
     source.removeMetric(gaugeName);
     source.setGauge(gaugeName, delta);
     source.updateHistogram(counterName, count);
+    source.incrFailedRecoveryQueue();
+
 
     verify(singleRms).decGauge(singleGaugeName, delta);
     verify(globalRms).decGauge(globalGaugeName, delta);
@@ -357,6 +367,7 @@ public class TestReplicationEndpoint extends TestReplicationBase {
     verify(globalRms).setGauge(globalGaugeName, delta);
     verify(singleRms).updateHistogram(singleCounterName, count);
     verify(globalRms).updateHistogram(globalCounterName, count);
+    verify(spyglobalSourceSource).incrFailedRecoveryQueue();
 
     //check singleSourceSourceByTable metrics.
     // singleSourceSourceByTable map entry will be created only
@@ -373,6 +384,7 @@ public class TestReplicationEndpoint extends TestReplicationBase {
     // cannot put more concreate value here to verify because the age is arbitrary.
     // as long as it's greater than 0, we see it as correct answer.
     Assert.assertTrue(msr.getLastShippedAge() > 0);
+
   }
 
   private void doPut(byte[] row) throws IOException {


[2/5] hbase git commit: HBASE-18549 Add metrics for failed replication queue recovery

Posted by ap...@apache.org.
HBASE-18549 Add metrics for failed replication queue recovery

Signed-off-by: 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/8a5537b5
Tree: http://git-wip-us.apache.org/repos/asf/hbase/tree/8a5537b5
Diff: http://git-wip-us.apache.org/repos/asf/hbase/diff/8a5537b5

Branch: refs/heads/branch-2
Commit: 8a5537b5f5a8eed1fd94830672b7df299a5e4d4f
Parents: 79ec1a1
Author: Xu Cang <xc...@salesforce.com>
Authored: Wed Aug 29 15:49:51 2018 -0700
Committer: Andrew Purtell <ap...@apache.org>
Committed: Mon Oct 1 18:39:03 2018 -0700

----------------------------------------------------------------------
 .../regionserver/MetricsReplicationSourceSource.java  |  2 ++
 .../MetricsReplicationGlobalSourceSource.java         |  8 +++++++-
 .../MetricsReplicationSourceSourceImpl.java           |  3 +++
 .../hbase/replication/ReplicationQueueStorage.java    |  7 +++++++
 .../hbase/replication/ZKReplicationQueueStorage.java  |  3 ++-
 .../hbase/replication/regionserver/MetricsSource.java |  4 ++++
 .../regionserver/ReplicationSourceManager.java        | 10 +++++++++-
 .../hbase/replication/TestReplicationEndpoint.java    | 14 +++++++++++++-
 8 files changed, 47 insertions(+), 4 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hbase/blob/8a5537b5/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java
----------------------------------------------------------------------
diff --git a/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java b/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java
index f56139b..1a17f37 100644
--- a/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java
+++ b/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java
@@ -51,6 +51,7 @@ public interface MetricsReplicationSourceSource extends BaseSource {
   public static final String SOURCE_REPEATED_LOG_FILE_BYTES = "source.repeatedLogFileBytes";
   public static final String SOURCE_COMPLETED_LOGS = "source.completedLogs";
   public static final String SOURCE_COMPLETED_RECOVERY_QUEUES = "source.completedRecoverQueues";
+  public static final String SOURCE_FAILED_RECOVERY_QUEUES = "source.failedRecoverQueues";
 
   void setLastShippedAge(long age);
   void incrSizeOfLogQueue(int size);
@@ -74,4 +75,5 @@ public interface MetricsReplicationSourceSource extends BaseSource {
   void incrRepeatedFileBytes(final long bytes);
   void incrCompletedWAL();
   void incrCompletedRecoveryQueue();
+  void incrFailedRecoveryQueue();
 }

http://git-wip-us.apache.org/repos/asf/hbase/blob/8a5537b5/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java
----------------------------------------------------------------------
diff --git a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java
index 9a86cf2..4e8c810 100644
--- a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java
+++ b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java
@@ -52,6 +52,7 @@ public class MetricsReplicationGlobalSourceSource implements MetricsReplicationS
   private final MutableFastCounter repeatedFileBytes;
   private final MutableFastCounter completedWAL;
   private final MutableFastCounter completedRecoveryQueue;
+  private final MutableFastCounter failedRecoveryQueue;
 
   public MetricsReplicationGlobalSourceSource(MetricsReplicationSourceImpl rms) {
     this.rms = rms;
@@ -89,6 +90,8 @@ public class MetricsReplicationGlobalSourceSource implements MetricsReplicationS
     completedWAL = rms.getMetricsRegistry().getCounter(SOURCE_COMPLETED_LOGS, 0L);
     completedRecoveryQueue = rms.getMetricsRegistry()
             .getCounter(SOURCE_COMPLETED_RECOVERY_QUEUES, 0L);
+    failedRecoveryQueue = rms.getMetricsRegistry()
+            .getCounter(SOURCE_FAILED_RECOVERY_QUEUES, 0L);
   }
 
   @Override public void setLastShippedAge(long age) {
@@ -199,7 +202,10 @@ public class MetricsReplicationGlobalSourceSource implements MetricsReplicationS
   public void incrCompletedRecoveryQueue() {
     completedRecoveryQueue.incr(1L);
   }
-
+  @Override
+  public void incrFailedRecoveryQueue() {
+    failedRecoveryQueue.incr(1L);
+  }
   @Override
   public void init() {
     rms.init();

http://git-wip-us.apache.org/repos/asf/hbase/blob/8a5537b5/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java
----------------------------------------------------------------------
diff --git a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java
index 719c916..0ad5052 100644
--- a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java
+++ b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java
@@ -258,6 +258,9 @@ public class MetricsReplicationSourceSourceImpl implements MetricsReplicationSou
   }
 
   @Override
+  public void incrFailedRecoveryQueue() {/*no op*/}
+
+  @Override
   public void init() {
     rms.init();
   }

http://git-wip-us.apache.org/repos/asf/hbase/blob/8a5537b5/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueueStorage.java
----------------------------------------------------------------------
diff --git a/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueueStorage.java b/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueueStorage.java
index 84653ad..59278e9 100644
--- a/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueueStorage.java
+++ b/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueueStorage.java
@@ -202,4 +202,11 @@ public interface ReplicationQueueStorage {
    * created hfile references during the call may not be included.
    */
   Set<String> getAllHFileRefs() throws ReplicationException;
+
+  /**
+   * Get full znode name for given region server
+   * @param serverName the name of the region server
+   * @return full znode name
+   */
+  String getRsNode(ServerName serverName);
 }

http://git-wip-us.apache.org/repos/asf/hbase/blob/8a5537b5/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ZKReplicationQueueStorage.java
----------------------------------------------------------------------
diff --git a/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ZKReplicationQueueStorage.java b/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ZKReplicationQueueStorage.java
index cca8bfc..68f2adc 100644
--- a/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ZKReplicationQueueStorage.java
+++ b/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ZKReplicationQueueStorage.java
@@ -118,7 +118,8 @@ class ZKReplicationQueueStorage extends ZKReplicationStorageBase
         .get(ZOOKEEPER_ZNODE_REPLICATION_REGIONS_KEY, ZOOKEEPER_ZNODE_REPLICATION_REGIONS_DEFAULT));
   }
 
-  private String getRsNode(ServerName serverName) {
+  @Override
+  public String getRsNode(ServerName serverName) {
     return ZNodePaths.joinZNode(queuesZNode, serverName.getServerName());
   }
 

http://git-wip-us.apache.org/repos/asf/hbase/blob/8a5537b5/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java
index 906f0c6..830ebe1 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java
@@ -326,6 +326,10 @@ public class MetricsSource implements BaseSource {
     globalSourceSource.incrCompletedRecoveryQueue();
   }
 
+  public void incrFailedRecoveryQueue() {
+    globalSourceSource.incrFailedRecoveryQueue();
+  }
+
   @Override
   public void init() {
     singleSourceSource.init();

http://git-wip-us.apache.org/repos/asf/hbase/blob/8a5537b5/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
index a370867..5d4f034 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
@@ -43,6 +43,7 @@ import java.util.stream.Collectors;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hbase.CompatibilitySingletonFactory;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.Server;
 import org.apache.hadoop.hbase.ServerName;
@@ -635,6 +636,8 @@ public class ReplicationSourceManager implements ReplicationListener {
     try {
       this.executor.execute(transfer);
     } catch (RejectedExecutionException ex) {
+      CompatibilitySingletonFactory.getInstance(MetricsReplicationSourceFactory.class)
+          .getGlobalSource().incrFailedRecoveryQueue();
       LOG.info("Cancelling the transfer of " + deadRS + " because of " + ex.getMessage());
     }
   }
@@ -706,7 +709,12 @@ public class ReplicationSourceManager implements ReplicationListener {
           queueStorage.removeReplicatorIfQueueIsEmpty(deadRS);
         }
       } catch (ReplicationException e) {
-        server.abort("Failed to claim queue from dead regionserver", e);
+        LOG.error(String.format("ReplicationException: cannot claim dead region (%s)'s " +
+            "replication queue. Znode : (%s)" +
+            " Possible solution: check if znode size exceeds jute.maxBuffer value. " +
+            " If so, increase it for both client and server side." + e),  deadRS,
+            queueStorage.getRsNode(deadRS));
+        server.abort("Failed to claim queue from dead regionserver.", e);
         return;
       }
       // Copying over the failed queue is completed.

http://git-wip-us.apache.org/repos/asf/hbase/blob/8a5537b5/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
index 5d833cc..03fbb59 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
@@ -17,7 +17,9 @@
  */
 package org.apache.hadoop.hbase.replication;
 
+import static org.mockito.Mockito.doNothing;
 import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
@@ -316,11 +318,17 @@ public class TestReplicationEndpoint extends TestReplicationBase {
     MetricsReplicationSourceImpl globalRms = mock(MetricsReplicationSourceImpl.class);
     when(globalRms.getMetricsRegistry()).thenReturn(mockRegistry);
 
+
     MetricsReplicationSourceSource singleSourceSource = new MetricsReplicationSourceSourceImpl(singleRms, id);
     MetricsReplicationSourceSource globalSourceSource = new MetricsReplicationGlobalSourceSource(globalRms);
+    MetricsReplicationSourceSource spyglobalSourceSource = spy(globalSourceSource);
+    doNothing().when(spyglobalSourceSource).incrFailedRecoveryQueue();
+
     Map<String, MetricsReplicationSourceSource> singleSourceSourceByTable = new HashMap<>();
-    MetricsSource source = new MetricsSource(id, singleSourceSource, globalSourceSource,
+    MetricsSource source = new MetricsSource(id, singleSourceSource, spyglobalSourceSource,
         singleSourceSourceByTable);
+
+
     String gaugeName = "gauge";
     String singleGaugeName = "source.id." + gaugeName;
     String globalGaugeName = "source." + gaugeName;
@@ -340,6 +348,8 @@ public class TestReplicationEndpoint extends TestReplicationBase {
     source.removeMetric(gaugeName);
     source.setGauge(gaugeName, delta);
     source.updateHistogram(counterName, count);
+    source.incrFailedRecoveryQueue();
+
 
     verify(singleRms).decGauge(singleGaugeName, delta);
     verify(globalRms).decGauge(globalGaugeName, delta);
@@ -357,6 +367,7 @@ public class TestReplicationEndpoint extends TestReplicationBase {
     verify(globalRms).setGauge(globalGaugeName, delta);
     verify(singleRms).updateHistogram(singleCounterName, count);
     verify(globalRms).updateHistogram(globalCounterName, count);
+    verify(spyglobalSourceSource).incrFailedRecoveryQueue();
 
     //check singleSourceSourceByTable metrics.
     // singleSourceSourceByTable map entry will be created only
@@ -373,6 +384,7 @@ public class TestReplicationEndpoint extends TestReplicationBase {
     // cannot put more concreate value here to verify because the age is arbitrary.
     // as long as it's greater than 0, we see it as correct answer.
     Assert.assertTrue(msr.getLastShippedAge() > 0);
+
   }
 
   private void doPut(byte[] row) throws IOException {


[4/5] hbase git commit: HBASE-18549 Add metrics for failed replication queue recovery

Posted by ap...@apache.org.
HBASE-18549 Add metrics for failed replication queue recovery

Signed-off-by: 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/6e0ee4ef
Tree: http://git-wip-us.apache.org/repos/asf/hbase/tree/6e0ee4ef
Diff: http://git-wip-us.apache.org/repos/asf/hbase/diff/6e0ee4ef

Branch: refs/heads/branch-1
Commit: 6e0ee4efa7b01dc4b3e4a60698a4863332bbab57
Parents: 113554d
Author: Xu Cang <xc...@salesforce.com>
Authored: Wed Aug 29 16:39:57 2018 -0700
Committer: Andrew Purtell <ap...@apache.org>
Committed: Mon Oct 1 18:39:24 2018 -0700

----------------------------------------------------------------------
 .../hadoop/hbase/replication/ReplicationQueuesZKImpl.java    | 5 ++++-
 .../regionserver/MetricsReplicationSourceSource.java         | 3 +++
 .../regionserver/MetricsReplicationGlobalSourceSource.java   | 8 +++++++-
 .../regionserver/MetricsReplicationSourceSourceImpl.java     | 3 +++
 .../hadoop/hbase/replication/regionserver/MetricsSource.java | 5 +++++
 .../replication/regionserver/ReplicationSourceManager.java   | 3 +++
 .../hadoop/hbase/replication/TestReplicationEndpoint.java    | 8 +++++++-
 7 files changed, 32 insertions(+), 3 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hbase/blob/6e0ee4ef/hbase-client/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueuesZKImpl.java
----------------------------------------------------------------------
diff --git a/hbase-client/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueuesZKImpl.java b/hbase-client/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueuesZKImpl.java
index dda9adf..f88ae53 100644
--- a/hbase-client/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueuesZKImpl.java
+++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueuesZKImpl.java
@@ -499,7 +499,10 @@ public class ReplicationQueuesZKImpl extends ReplicationStateZKBase implements R
       }
       return new Pair<>(newCluster, logQueue);
     } catch (KeeperException e) {
-      LOG.warn("Got exception in copyQueueFromLockedRS: ", e);
+      LOG.warn("Got exception in copyQueueFromLockedRS: "+
+        " Possible problem: check if znode size exceeds jute.maxBuffer value. "
+          + "If so, increase it for both client and server side." ,e);
+
     } catch (InterruptedException e) {
       LOG.warn(e);
       Thread.currentThread().interrupt();

http://git-wip-us.apache.org/repos/asf/hbase/blob/6e0ee4ef/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java
----------------------------------------------------------------------
diff --git a/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java b/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java
index 9075a68..25d72af 100644
--- a/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java
+++ b/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java
@@ -49,6 +49,7 @@ public interface MetricsReplicationSourceSource extends BaseSource {
   public static final String SOURCE_REPEATED_LOG_FILE_BYTES = "source.repeatedLogFileBytes";
   public static final String SOURCE_COMPLETED_LOGS = "source.completedLogs";
   public static final String SOURCE_COMPLETED_RECOVERY_QUEUES = "source.completedRecoverQueues";
+  public static final String SOURCE_FAILED_RECOVERY_QUEUES = "source.failedRecoverQueues";
 
   void setLastShippedAge(long age);
   void incrSizeOfLogQueue(int size);
@@ -72,4 +73,6 @@ public interface MetricsReplicationSourceSource extends BaseSource {
   void incrRepeatedFileBytes(final long bytes);
   void incrCompletedWAL();
   void incrCompletedRecoveryQueue();
+  void incrFailedRecoveryQueue();
+
 }

http://git-wip-us.apache.org/repos/asf/hbase/blob/6e0ee4ef/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java
----------------------------------------------------------------------
diff --git a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java
index 0e5c07f..64585fa 100644
--- a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java
+++ b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java
@@ -45,6 +45,7 @@ public class MetricsReplicationGlobalSourceSource implements MetricsReplicationS
   private final MutableFastCounter repeatedFileBytes;
   private final MutableFastCounter completedWAL;
   private final MutableFastCounter completedRecoveryQueue;
+  private final MutableFastCounter failedRecoveryQueue;
 
   public MetricsReplicationGlobalSourceSource(MetricsReplicationSourceImpl rms) {
     this.rms = rms;
@@ -79,6 +80,8 @@ public class MetricsReplicationGlobalSourceSource implements MetricsReplicationS
     repeatedFileBytes = rms.getMetricsRegistry().getCounter(SOURCE_REPEATED_LOG_FILE_BYTES, 0L);
     completedWAL = rms.getMetricsRegistry().getCounter(SOURCE_COMPLETED_LOGS, 0L);
     completedRecoveryQueue = rms.getMetricsRegistry().getCounter(SOURCE_COMPLETED_RECOVERY_QUEUES, 0L);
+    failedRecoveryQueue = rms.getMetricsRegistry()
+        .getCounter(SOURCE_FAILED_RECOVERY_QUEUES, 0L);
   }
 
   @Override public void setLastShippedAge(long age) {
@@ -189,7 +192,10 @@ public class MetricsReplicationGlobalSourceSource implements MetricsReplicationS
   public void incrCompletedRecoveryQueue() {
     completedRecoveryQueue.incr(1L);
   }
-
+  @Override
+  public void incrFailedRecoveryQueue() {
+    failedRecoveryQueue.incr(1L);
+  }
   @Override
   public void init() {
     rms.init();

http://git-wip-us.apache.org/repos/asf/hbase/blob/6e0ee4ef/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java
----------------------------------------------------------------------
diff --git a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java
index 9838e42..0078a97 100644
--- a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java
+++ b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java
@@ -254,6 +254,9 @@ public class MetricsReplicationSourceSourceImpl implements MetricsReplicationSou
   }
 
   @Override
+  public void incrFailedRecoveryQueue() {/*no op*/}
+
+  @Override
   public void init() {
     rms.init();
   }

http://git-wip-us.apache.org/repos/asf/hbase/blob/6e0ee4ef/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java
index d122556..53e1074 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java
@@ -296,6 +296,11 @@ public class MetricsSource implements BaseSource {
     globalSourceSource.incrCompletedRecoveryQueue();
   }
 
+  public void incrFailedRecoveryQueue() {
+    globalSourceSource.incrFailedRecoveryQueue();
+  }
+
+
   @Override
   public void init() {
     singleSourceSource.init();

http://git-wip-us.apache.org/repos/asf/hbase/blob/6e0ee4ef/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
index 63bba8d..dbe9e63 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
@@ -48,6 +48,7 @@ import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hbase.CompatibilitySingletonFactory;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.Server;
 import org.apache.hadoop.hbase.TableDescriptors;
@@ -544,6 +545,8 @@ public class ReplicationSourceManager implements ReplicationListener {
     try {
       this.executor.execute(transfer);
     } catch (RejectedExecutionException ex) {
+      CompatibilitySingletonFactory.getInstance(MetricsReplicationSourceFactory.class)
+        .getGlobalSource().incrFailedRecoveryQueue();
       LOG.info("Cancelling the transfer of " + rsZnode + " because of " + ex.getMessage());
     }
   }

http://git-wip-us.apache.org/repos/asf/hbase/blob/6e0ee4ef/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
index 3b984ab..9914a20 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
@@ -54,7 +54,9 @@ import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 
+import static org.mockito.Mockito.doNothing;
 import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
@@ -307,8 +309,10 @@ public class TestReplicationEndpoint extends TestReplicationBase {
 
     MetricsReplicationSourceSource singleSourceSource = new MetricsReplicationSourceSourceImpl(singleRms, id);
     MetricsReplicationSourceSource globalSourceSource = new MetricsReplicationGlobalSourceSource(globalRms);
+    MetricsReplicationSourceSource spyglobalSourceSource = spy(globalSourceSource);
+    doNothing().when(spyglobalSourceSource).incrFailedRecoveryQueue();
     Map<String, MetricsReplicationSourceSource> singleSourceSourceByTable = new HashMap<>();
-    MetricsSource source = new MetricsSource(id, singleSourceSource, globalSourceSource,
+    MetricsSource source = new MetricsSource(id, singleSourceSource, spyglobalSourceSource,
         singleSourceSourceByTable);
     String gaugeName = "gauge";
     String singleGaugeName = "source.id." + gaugeName;
@@ -327,6 +331,7 @@ public class TestReplicationEndpoint extends TestReplicationBase {
     source.removeMetric(gaugeName);
     source.setGauge(gaugeName, delta);
     source.updateHistogram(counterName, count);
+    source.incrFailedRecoveryQueue();
 
     verify(singleRms).decGauge(singleGaugeName, delta);
     verify(globalRms).decGauge(gaugeName, delta);
@@ -344,6 +349,7 @@ public class TestReplicationEndpoint extends TestReplicationBase {
     verify(globalRms).setGauge(gaugeName, delta);
     verify(singleRms).updateHistogram(singleCounterName, count);
     verify(globalRms).updateHistogram(counterName, count);
+    verify(spyglobalSourceSource).incrFailedRecoveryQueue();
 
 
     // check singleSourceSourceByTable metrics.


[3/5] hbase git commit: HBASE-18549 Add metrics for failed replication queue recovery

Posted by ap...@apache.org.
HBASE-18549 Add metrics for failed replication queue recovery

Signed-off-by: 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/3df8b6f7
Tree: http://git-wip-us.apache.org/repos/asf/hbase/tree/3df8b6f7
Diff: http://git-wip-us.apache.org/repos/asf/hbase/diff/3df8b6f7

Branch: refs/heads/branch-2.1
Commit: 3df8b6f7bb3da34e2d8806916c82862b2441f59e
Parents: f9d7ac2
Author: Xu Cang <xc...@salesforce.com>
Authored: Wed Aug 29 15:49:51 2018 -0700
Committer: Andrew Purtell <ap...@apache.org>
Committed: Mon Oct 1 18:39:07 2018 -0700

----------------------------------------------------------------------
 .../regionserver/MetricsReplicationSourceSource.java  |  2 ++
 .../MetricsReplicationGlobalSourceSource.java         |  8 +++++++-
 .../MetricsReplicationSourceSourceImpl.java           |  3 +++
 .../hbase/replication/ReplicationQueueStorage.java    |  7 +++++++
 .../hbase/replication/ZKReplicationQueueStorage.java  |  3 ++-
 .../hbase/replication/regionserver/MetricsSource.java |  4 ++++
 .../regionserver/ReplicationSourceManager.java        | 10 +++++++++-
 .../hbase/replication/TestReplicationEndpoint.java    | 14 +++++++++++++-
 8 files changed, 47 insertions(+), 4 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hbase/blob/3df8b6f7/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java
----------------------------------------------------------------------
diff --git a/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java b/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java
index f56139b..1a17f37 100644
--- a/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java
+++ b/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java
@@ -51,6 +51,7 @@ public interface MetricsReplicationSourceSource extends BaseSource {
   public static final String SOURCE_REPEATED_LOG_FILE_BYTES = "source.repeatedLogFileBytes";
   public static final String SOURCE_COMPLETED_LOGS = "source.completedLogs";
   public static final String SOURCE_COMPLETED_RECOVERY_QUEUES = "source.completedRecoverQueues";
+  public static final String SOURCE_FAILED_RECOVERY_QUEUES = "source.failedRecoverQueues";
 
   void setLastShippedAge(long age);
   void incrSizeOfLogQueue(int size);
@@ -74,4 +75,5 @@ public interface MetricsReplicationSourceSource extends BaseSource {
   void incrRepeatedFileBytes(final long bytes);
   void incrCompletedWAL();
   void incrCompletedRecoveryQueue();
+  void incrFailedRecoveryQueue();
 }

http://git-wip-us.apache.org/repos/asf/hbase/blob/3df8b6f7/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java
----------------------------------------------------------------------
diff --git a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java
index 9a86cf2..4e8c810 100644
--- a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java
+++ b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java
@@ -52,6 +52,7 @@ public class MetricsReplicationGlobalSourceSource implements MetricsReplicationS
   private final MutableFastCounter repeatedFileBytes;
   private final MutableFastCounter completedWAL;
   private final MutableFastCounter completedRecoveryQueue;
+  private final MutableFastCounter failedRecoveryQueue;
 
   public MetricsReplicationGlobalSourceSource(MetricsReplicationSourceImpl rms) {
     this.rms = rms;
@@ -89,6 +90,8 @@ public class MetricsReplicationGlobalSourceSource implements MetricsReplicationS
     completedWAL = rms.getMetricsRegistry().getCounter(SOURCE_COMPLETED_LOGS, 0L);
     completedRecoveryQueue = rms.getMetricsRegistry()
             .getCounter(SOURCE_COMPLETED_RECOVERY_QUEUES, 0L);
+    failedRecoveryQueue = rms.getMetricsRegistry()
+            .getCounter(SOURCE_FAILED_RECOVERY_QUEUES, 0L);
   }
 
   @Override public void setLastShippedAge(long age) {
@@ -199,7 +202,10 @@ public class MetricsReplicationGlobalSourceSource implements MetricsReplicationS
   public void incrCompletedRecoveryQueue() {
     completedRecoveryQueue.incr(1L);
   }
-
+  @Override
+  public void incrFailedRecoveryQueue() {
+    failedRecoveryQueue.incr(1L);
+  }
   @Override
   public void init() {
     rms.init();

http://git-wip-us.apache.org/repos/asf/hbase/blob/3df8b6f7/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java
----------------------------------------------------------------------
diff --git a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java
index 719c916..0ad5052 100644
--- a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java
+++ b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java
@@ -258,6 +258,9 @@ public class MetricsReplicationSourceSourceImpl implements MetricsReplicationSou
   }
 
   @Override
+  public void incrFailedRecoveryQueue() {/*no op*/}
+
+  @Override
   public void init() {
     rms.init();
   }

http://git-wip-us.apache.org/repos/asf/hbase/blob/3df8b6f7/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueueStorage.java
----------------------------------------------------------------------
diff --git a/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueueStorage.java b/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueueStorage.java
index 84653ad..59278e9 100644
--- a/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueueStorage.java
+++ b/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueueStorage.java
@@ -202,4 +202,11 @@ public interface ReplicationQueueStorage {
    * created hfile references during the call may not be included.
    */
   Set<String> getAllHFileRefs() throws ReplicationException;
+
+  /**
+   * Get full znode name for given region server
+   * @param serverName the name of the region server
+   * @return full znode name
+   */
+  String getRsNode(ServerName serverName);
 }

http://git-wip-us.apache.org/repos/asf/hbase/blob/3df8b6f7/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ZKReplicationQueueStorage.java
----------------------------------------------------------------------
diff --git a/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ZKReplicationQueueStorage.java b/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ZKReplicationQueueStorage.java
index cca8bfc..68f2adc 100644
--- a/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ZKReplicationQueueStorage.java
+++ b/hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ZKReplicationQueueStorage.java
@@ -118,7 +118,8 @@ class ZKReplicationQueueStorage extends ZKReplicationStorageBase
         .get(ZOOKEEPER_ZNODE_REPLICATION_REGIONS_KEY, ZOOKEEPER_ZNODE_REPLICATION_REGIONS_DEFAULT));
   }
 
-  private String getRsNode(ServerName serverName) {
+  @Override
+  public String getRsNode(ServerName serverName) {
     return ZNodePaths.joinZNode(queuesZNode, serverName.getServerName());
   }
 

http://git-wip-us.apache.org/repos/asf/hbase/blob/3df8b6f7/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java
index 906f0c6..830ebe1 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java
@@ -326,6 +326,10 @@ public class MetricsSource implements BaseSource {
     globalSourceSource.incrCompletedRecoveryQueue();
   }
 
+  public void incrFailedRecoveryQueue() {
+    globalSourceSource.incrFailedRecoveryQueue();
+  }
+
   @Override
   public void init() {
     singleSourceSource.init();

http://git-wip-us.apache.org/repos/asf/hbase/blob/3df8b6f7/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
index a370867..5d4f034 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
@@ -43,6 +43,7 @@ import java.util.stream.Collectors;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hbase.CompatibilitySingletonFactory;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.Server;
 import org.apache.hadoop.hbase.ServerName;
@@ -635,6 +636,8 @@ public class ReplicationSourceManager implements ReplicationListener {
     try {
       this.executor.execute(transfer);
     } catch (RejectedExecutionException ex) {
+      CompatibilitySingletonFactory.getInstance(MetricsReplicationSourceFactory.class)
+          .getGlobalSource().incrFailedRecoveryQueue();
       LOG.info("Cancelling the transfer of " + deadRS + " because of " + ex.getMessage());
     }
   }
@@ -706,7 +709,12 @@ public class ReplicationSourceManager implements ReplicationListener {
           queueStorage.removeReplicatorIfQueueIsEmpty(deadRS);
         }
       } catch (ReplicationException e) {
-        server.abort("Failed to claim queue from dead regionserver", e);
+        LOG.error(String.format("ReplicationException: cannot claim dead region (%s)'s " +
+            "replication queue. Znode : (%s)" +
+            " Possible solution: check if znode size exceeds jute.maxBuffer value. " +
+            " If so, increase it for both client and server side." + e),  deadRS,
+            queueStorage.getRsNode(deadRS));
+        server.abort("Failed to claim queue from dead regionserver.", e);
         return;
       }
       // Copying over the failed queue is completed.

http://git-wip-us.apache.org/repos/asf/hbase/blob/3df8b6f7/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
index 5d833cc..03fbb59 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
@@ -17,7 +17,9 @@
  */
 package org.apache.hadoop.hbase.replication;
 
+import static org.mockito.Mockito.doNothing;
 import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
@@ -316,11 +318,17 @@ public class TestReplicationEndpoint extends TestReplicationBase {
     MetricsReplicationSourceImpl globalRms = mock(MetricsReplicationSourceImpl.class);
     when(globalRms.getMetricsRegistry()).thenReturn(mockRegistry);
 
+
     MetricsReplicationSourceSource singleSourceSource = new MetricsReplicationSourceSourceImpl(singleRms, id);
     MetricsReplicationSourceSource globalSourceSource = new MetricsReplicationGlobalSourceSource(globalRms);
+    MetricsReplicationSourceSource spyglobalSourceSource = spy(globalSourceSource);
+    doNothing().when(spyglobalSourceSource).incrFailedRecoveryQueue();
+
     Map<String, MetricsReplicationSourceSource> singleSourceSourceByTable = new HashMap<>();
-    MetricsSource source = new MetricsSource(id, singleSourceSource, globalSourceSource,
+    MetricsSource source = new MetricsSource(id, singleSourceSource, spyglobalSourceSource,
         singleSourceSourceByTable);
+
+
     String gaugeName = "gauge";
     String singleGaugeName = "source.id." + gaugeName;
     String globalGaugeName = "source." + gaugeName;
@@ -340,6 +348,8 @@ public class TestReplicationEndpoint extends TestReplicationBase {
     source.removeMetric(gaugeName);
     source.setGauge(gaugeName, delta);
     source.updateHistogram(counterName, count);
+    source.incrFailedRecoveryQueue();
+
 
     verify(singleRms).decGauge(singleGaugeName, delta);
     verify(globalRms).decGauge(globalGaugeName, delta);
@@ -357,6 +367,7 @@ public class TestReplicationEndpoint extends TestReplicationBase {
     verify(globalRms).setGauge(globalGaugeName, delta);
     verify(singleRms).updateHistogram(singleCounterName, count);
     verify(globalRms).updateHistogram(globalCounterName, count);
+    verify(spyglobalSourceSource).incrFailedRecoveryQueue();
 
     //check singleSourceSourceByTable metrics.
     // singleSourceSourceByTable map entry will be created only
@@ -373,6 +384,7 @@ public class TestReplicationEndpoint extends TestReplicationBase {
     // cannot put more concreate value here to verify because the age is arbitrary.
     // as long as it's greater than 0, we see it as correct answer.
     Assert.assertTrue(msr.getLastShippedAge() > 0);
+
   }
 
   private void doPut(byte[] row) throws IOException {


[5/5] hbase git commit: HBASE-18549 Add metrics for failed replication queue recovery

Posted by ap...@apache.org.
HBASE-18549 Add metrics for failed replication queue recovery

Signed-off-by: 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/b22095ee
Tree: http://git-wip-us.apache.org/repos/asf/hbase/tree/b22095ee
Diff: http://git-wip-us.apache.org/repos/asf/hbase/diff/b22095ee

Branch: refs/heads/branch-1.4
Commit: b22095eea1590d6a59ca1430ffaaf1c1bff3b0c0
Parents: 964a1d6
Author: Xu Cang <xc...@salesforce.com>
Authored: Wed Aug 29 16:39:57 2018 -0700
Committer: Andrew Purtell <ap...@apache.org>
Committed: Mon Oct 1 18:43:01 2018 -0700

----------------------------------------------------------------------
 .../hadoop/hbase/replication/ReplicationQueuesZKImpl.java   | 5 ++++-
 .../regionserver/MetricsReplicationSourceSource.java        | 3 +++
 .../regionserver/MetricsReplicationGlobalSourceSource.java  | 8 +++++++-
 .../regionserver/MetricsReplicationSourceSourceImpl.java    | 3 +++
 .../hbase/replication/regionserver/MetricsSource.java       | 5 +++++
 .../replication/regionserver/ReplicationSourceManager.java  | 3 +++
 .../hadoop/hbase/replication/TestReplicationEndpoint.java   | 9 +++++++--
 7 files changed, 32 insertions(+), 4 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hbase/blob/b22095ee/hbase-client/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueuesZKImpl.java
----------------------------------------------------------------------
diff --git a/hbase-client/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueuesZKImpl.java b/hbase-client/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueuesZKImpl.java
index dda9adf..f88ae53 100644
--- a/hbase-client/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueuesZKImpl.java
+++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueuesZKImpl.java
@@ -499,7 +499,10 @@ public class ReplicationQueuesZKImpl extends ReplicationStateZKBase implements R
       }
       return new Pair<>(newCluster, logQueue);
     } catch (KeeperException e) {
-      LOG.warn("Got exception in copyQueueFromLockedRS: ", e);
+      LOG.warn("Got exception in copyQueueFromLockedRS: "+
+        " Possible problem: check if znode size exceeds jute.maxBuffer value. "
+          + "If so, increase it for both client and server side." ,e);
+
     } catch (InterruptedException e) {
       LOG.warn(e);
       Thread.currentThread().interrupt();

http://git-wip-us.apache.org/repos/asf/hbase/blob/b22095ee/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java
----------------------------------------------------------------------
diff --git a/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java b/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java
index 9075a68..25d72af 100644
--- a/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java
+++ b/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSource.java
@@ -49,6 +49,7 @@ public interface MetricsReplicationSourceSource extends BaseSource {
   public static final String SOURCE_REPEATED_LOG_FILE_BYTES = "source.repeatedLogFileBytes";
   public static final String SOURCE_COMPLETED_LOGS = "source.completedLogs";
   public static final String SOURCE_COMPLETED_RECOVERY_QUEUES = "source.completedRecoverQueues";
+  public static final String SOURCE_FAILED_RECOVERY_QUEUES = "source.failedRecoverQueues";
 
   void setLastShippedAge(long age);
   void incrSizeOfLogQueue(int size);
@@ -72,4 +73,6 @@ public interface MetricsReplicationSourceSource extends BaseSource {
   void incrRepeatedFileBytes(final long bytes);
   void incrCompletedWAL();
   void incrCompletedRecoveryQueue();
+  void incrFailedRecoveryQueue();
+
 }

http://git-wip-us.apache.org/repos/asf/hbase/blob/b22095ee/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java
----------------------------------------------------------------------
diff --git a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java
index 0e5c07f..64585fa 100644
--- a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java
+++ b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSource.java
@@ -45,6 +45,7 @@ public class MetricsReplicationGlobalSourceSource implements MetricsReplicationS
   private final MutableFastCounter repeatedFileBytes;
   private final MutableFastCounter completedWAL;
   private final MutableFastCounter completedRecoveryQueue;
+  private final MutableFastCounter failedRecoveryQueue;
 
   public MetricsReplicationGlobalSourceSource(MetricsReplicationSourceImpl rms) {
     this.rms = rms;
@@ -79,6 +80,8 @@ public class MetricsReplicationGlobalSourceSource implements MetricsReplicationS
     repeatedFileBytes = rms.getMetricsRegistry().getCounter(SOURCE_REPEATED_LOG_FILE_BYTES, 0L);
     completedWAL = rms.getMetricsRegistry().getCounter(SOURCE_COMPLETED_LOGS, 0L);
     completedRecoveryQueue = rms.getMetricsRegistry().getCounter(SOURCE_COMPLETED_RECOVERY_QUEUES, 0L);
+    failedRecoveryQueue = rms.getMetricsRegistry()
+        .getCounter(SOURCE_FAILED_RECOVERY_QUEUES, 0L);
   }
 
   @Override public void setLastShippedAge(long age) {
@@ -189,7 +192,10 @@ public class MetricsReplicationGlobalSourceSource implements MetricsReplicationS
   public void incrCompletedRecoveryQueue() {
     completedRecoveryQueue.incr(1L);
   }
-
+  @Override
+  public void incrFailedRecoveryQueue() {
+    failedRecoveryQueue.incr(1L);
+  }
   @Override
   public void init() {
     rms.init();

http://git-wip-us.apache.org/repos/asf/hbase/blob/b22095ee/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java
----------------------------------------------------------------------
diff --git a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java
index 9838e42..0078a97 100644
--- a/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java
+++ b/hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationSourceSourceImpl.java
@@ -254,6 +254,9 @@ public class MetricsReplicationSourceSourceImpl implements MetricsReplicationSou
   }
 
   @Override
+  public void incrFailedRecoveryQueue() {/*no op*/}
+
+  @Override
   public void init() {
     rms.init();
   }

http://git-wip-us.apache.org/repos/asf/hbase/blob/b22095ee/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java
index 2d99018..c08b187 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsSource.java
@@ -278,6 +278,11 @@ public class MetricsSource implements BaseSource {
     globalSourceSource.incrCompletedRecoveryQueue();
   }
 
+  public void incrFailedRecoveryQueue() {
+    globalSourceSource.incrFailedRecoveryQueue();
+  }
+
+
   @Override
   public void init() {
     singleSourceSource.init();

http://git-wip-us.apache.org/repos/asf/hbase/blob/b22095ee/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
index 5686fa6..d5b5c63 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
@@ -47,6 +47,7 @@ import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hbase.CompatibilitySingletonFactory;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.Server;
 import org.apache.hadoop.hbase.TableDescriptors;
@@ -536,6 +537,8 @@ public class ReplicationSourceManager implements ReplicationListener {
     try {
       this.executor.execute(transfer);
     } catch (RejectedExecutionException ex) {
+      CompatibilitySingletonFactory.getInstance(MetricsReplicationSourceFactory.class)
+        .getGlobalSource().incrFailedRecoveryQueue();
       LOG.info("Cancelling the transfer of " + rsZnode + " because of " + ex.getMessage());
     }
   }

http://git-wip-us.apache.org/repos/asf/hbase/blob/b22095ee/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
index 277d876..f2a5d58 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java
@@ -20,7 +20,6 @@ package org.apache.hadoop.hbase.replication;
 
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.List;
 import java.util.UUID;
 import java.util.concurrent.atomic.AtomicBoolean;
@@ -53,7 +52,9 @@ import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 
+import static org.mockito.Mockito.doNothing;
 import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
@@ -306,7 +307,9 @@ public class TestReplicationEndpoint extends TestReplicationBase {
 
     MetricsReplicationSourceSource singleSourceSource = new MetricsReplicationSourceSourceImpl(singleRms, id);
     MetricsReplicationSourceSource globalSourceSource = new MetricsReplicationGlobalSourceSource(globalRms);
-    MetricsSource source = new MetricsSource(id, singleSourceSource, globalSourceSource);
+    MetricsReplicationSourceSource spyglobalSourceSource = spy(globalSourceSource);
+    doNothing().when(spyglobalSourceSource).incrFailedRecoveryQueue();
+    MetricsSource source = new MetricsSource(id, singleSourceSource, spyglobalSourceSource);
     String gaugeName = "gauge";
     String singleGaugeName = "source.id." + gaugeName;
     long delta = 1;
@@ -324,6 +327,7 @@ public class TestReplicationEndpoint extends TestReplicationBase {
     source.removeMetric(gaugeName);
     source.setGauge(gaugeName, delta);
     source.updateHistogram(counterName, count);
+    source.incrFailedRecoveryQueue();
 
     verify(singleRms).decGauge(singleGaugeName, delta);
     verify(globalRms).decGauge(gaugeName, delta);
@@ -341,6 +345,7 @@ public class TestReplicationEndpoint extends TestReplicationBase {
     verify(globalRms).setGauge(gaugeName, delta);
     verify(singleRms).updateHistogram(singleCounterName, count);
     verify(globalRms).updateHistogram(counterName, count);
+    verify(spyglobalSourceSource).incrFailedRecoveryQueue();
   }
 
   private void doPut(byte[] row) throws IOException {