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Posted to commits@hbase.apache.org by vj...@apache.org on 2020/06/12 11:24:32 UTC

[hbase] branch branch-1 updated: HBASE-24446 Use EnvironmentEdgeManager to compute clock skew in Master (#1886)

This is an automated email from the ASF dual-hosted git repository.

vjasani pushed a commit to branch branch-1
in repository https://gitbox.apache.org/repos/asf/hbase.git


The following commit(s) were added to refs/heads/branch-1 by this push:
     new a21e904  HBASE-24446 Use EnvironmentEdgeManager to compute clock skew in Master (#1886)
a21e904 is described below

commit a21e9049a545f3ebe0a80c69d03d02c353dc7bc3
Author: sguggilam <sa...@gmail.com>
AuthorDate: Fri Jun 12 04:24:18 2020 -0700

    HBASE-24446 Use EnvironmentEdgeManager to compute clock skew in Master (#1886)
    
    Signed-off-by: Viraj Jasani <vj...@apache.org>
---
 .../apache/hadoop/hbase/master/ServerManager.java  |  4 +--
 .../TestRegionServerReportForDuty.java             | 29 +++++++++++++++++++---
 2 files changed, 28 insertions(+), 5 deletions(-)

diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/ServerManager.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/ServerManager.java
index c889395..825bcc5 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/ServerManager.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/ServerManager.java
@@ -21,7 +21,6 @@ package org.apache.hadoop.hbase.master;
 import com.google.common.annotations.VisibleForTesting;
 import com.google.protobuf.ByteString;
 import com.google.protobuf.ServiceException;
-
 import java.io.IOException;
 import java.net.ConnectException;
 import java.net.InetAddress;
@@ -78,6 +77,7 @@ import org.apache.hadoop.hbase.regionserver.HRegionServer;
 import org.apache.hadoop.hbase.regionserver.RegionOpeningState;
 import org.apache.hadoop.hbase.security.User;
 import org.apache.hadoop.hbase.util.Bytes;
+import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
 import org.apache.hadoop.hbase.util.RetryCounter;
 import org.apache.hadoop.hbase.util.RetryCounterFactory;
 import org.apache.hadoop.hbase.util.Triple;
@@ -404,7 +404,7 @@ public class ServerManager {
    */
   private void checkClockSkew(final ServerName serverName, final long serverCurrentTime)
   throws ClockOutOfSyncException {
-    long skew = Math.abs(System.currentTimeMillis() - serverCurrentTime);
+    long skew = Math.abs(EnvironmentEdgeManager.currentTime() - serverCurrentTime);
     if (skew > maxSkew) {
       String message = "Server " + serverName + " has been " +
         "rejected; Reported time is too far out of sync with master.  " +
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerReportForDuty.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerReportForDuty.java
index 792843c..5785a08 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerReportForDuty.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerReportForDuty.java
@@ -22,7 +22,6 @@ import static org.junit.Assert.assertTrue;
 
 import java.io.IOException;
 import java.io.StringWriter;
-
 import org.apache.commons.lang.StringUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -31,20 +30,21 @@ import org.apache.hadoop.hbase.CoordinatedStateManager;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.LocalHBaseCluster;
+import org.apache.hadoop.hbase.MiniHBaseCluster.MiniHBaseClusterRegionServer;
 import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.ipc.ServerNotRunningYetException;
-import org.apache.hadoop.hbase.MiniHBaseCluster.MiniHBaseClusterRegionServer;
 import org.apache.hadoop.hbase.master.HMaster;
 import org.apache.hadoop.hbase.master.ServerManager;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
+import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
 import org.apache.hadoop.hbase.util.JVMClusterUtil.MasterThread;
 import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;
+import org.apache.hadoop.hbase.util.ManualEnvironmentEdge;
 import org.apache.log4j.Appender;
 import org.apache.log4j.Layout;
 import org.apache.log4j.PatternLayout;
 import org.apache.log4j.WriterAppender;
 import org.apache.zookeeper.KeeperException;
-
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -213,6 +213,29 @@ public class TestRegionServerReportForDuty {
 
   }
 
+  /**
+   * Tests region sever reportForDuty with manual environment edge
+   */
+  @Test(timeout = 60000)
+  public void testReportForDutyWithEnvironmentEdge() throws Exception {
+    // Start a master and wait for it to become the active/primary master.
+    // Use a random unique port
+    cluster.getConfiguration().setInt(HConstants.MASTER_PORT, HBaseTestingUtility.randomFreePort());
+    cluster.getConfiguration().setInt(ServerManager.WAIT_ON_REGIONSERVERS_MINTOSTART, 1);
+    cluster.getConfiguration().setInt(ServerManager.WAIT_ON_REGIONSERVERS_MAXTOSTART, 1);
+
+    // Inject manual environment edge for clock skew computation between RS and master
+    ManualEnvironmentEdge edge = new ManualEnvironmentEdge();
+    EnvironmentEdgeManager.injectEdge(edge);
+    master = cluster.addMaster();
+    rs = cluster.addRegionServer();
+    LOG.debug("Starting master: " + master.getMaster().getServerName());
+    master.start();
+    rs.start();
+
+    waitForClusterOnline(master);
+  }
+
   private void waitForClusterOnline(MasterThread master) throws InterruptedException {
     while (true) {
       if (master.getMaster().isInitialized()) {