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new ba713ac379a HBASE-26951 HMaster should exit gracefully, when stopped
via hbase-daemon.sh (#4358)
ba713ac379a is described below
commit ba713ac379a9d2faa2d875eebd9315e7b9485879
Author: LiangJun He <2005hit...@163.com>
AuthorDate: Wed Apr 20 17:37:18 2022 +0800
HBASE-26951 HMaster should exit gracefully, when stopped via
hbase-daemon.sh (#4358)
Signed-off-by: Yu Li <l...@apache.org>
Signed-off-by: Duo Zhang <zhang...@apache.org>
---
.../org/apache/hadoop/hbase/HBaseServerBase.java | 20 ++++++++++++++++++++
.../java/org/apache/hadoop/hbase/master/HMaster.java | 1 +
.../hadoop/hbase/regionserver/HRegionServer.java | 2 +-
.../org/apache/hadoop/hbase/master/TestMaster.java | 7 ++++++-
.../hbase/regionserver/TestRegionServerNoMaster.java | 7 +++++++
5 files changed, 35 insertions(+), 2 deletions(-)
diff --git
a/hbase-server/src/main/java/org/apache/hadoop/hbase/HBaseServerBase.java
b/hbase-server/src/main/java/org/apache/hadoop/hbase/HBaseServerBase.java
index c28ea29215a..91170d41531 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/HBaseServerBase.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/HBaseServerBase.java
@@ -51,6 +51,7 @@ import org.apache.hadoop.hbase.namequeues.NamedQueueRecorder;
import org.apache.hadoop.hbase.regionserver.ChunkCreator;
import org.apache.hadoop.hbase.regionserver.HeapMemoryManager;
import org.apache.hadoop.hbase.regionserver.MemStoreLAB;
+import org.apache.hadoop.hbase.regionserver.ShutdownHook;
import org.apache.hadoop.hbase.security.Superusers;
import org.apache.hadoop.hbase.security.User;
import org.apache.hadoop.hbase.security.UserProvider;
@@ -91,6 +92,9 @@ public abstract class HBaseServerBase<R extends
HBaseRpcServicesBase<?>> extends
// of HRegionServer in isolation.
protected volatile boolean stopped = false;
+ // Only for testing
+ private boolean isShutdownHookInstalled = false;
+
/**
* This servers startcode.
*/
@@ -447,6 +451,22 @@ public abstract class HBaseServerBase<R extends
HBaseRpcServicesBase<?>> extends
}
}
+ /**
+ * In order to register ShutdownHook, this method is called
+ * when HMaster and HRegionServer are started.
+ * For details, please refer to HBASE-26951
+ */
+ protected final void installShutdownHook() {
+ ShutdownHook.install(conf, dataFs, this, Thread.currentThread());
+ isShutdownHookInstalled = true;
+ }
+
+ @RestrictedApi(explanation = "Should only be called in tests", link = "",
+ allowedOnPath = ".*/src/test/.*")
+ public boolean isShutdownHookInstalled() {
+ return isShutdownHookInstalled;
+ }
+
@Override
public ServerName getServerName() {
return serverName;
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 01e4e5cd961..91e18a6f88f 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
@@ -553,6 +553,7 @@ public class HMaster extends
HBaseServerBase<MasterRpcServices> implements Maste
@Override
public void run() {
try {
+ installShutdownHook();
registerConfigurationObservers();
Threads.setDaemonThreadRunning(new Thread(() -> {
try {
diff --git
a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
index c56157e6a0e..3aadf7a9e54 100644
---
a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
+++
b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
@@ -760,7 +760,7 @@ public class HRegionServer extends
HBaseServerBase<RSRpcServices>
try {
if (!isStopped() && !isAborted()) {
- ShutdownHook.install(conf, dataFs, this, Thread.currentThread());
+ installShutdownHook();
// Initialize the RegionServerCoprocessorHost now that our ephemeral
// node was created, in case any coprocessors want to use ZooKeeper
this.rsHost = new RegionServerCoprocessorHost(this, this.conf);
diff --git
a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMaster.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMaster.java
index 65a205fd3c9..8dcc36bbc0d 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMaster.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMaster.java
@@ -305,5 +305,10 @@ public class TestMaster {
// Assert lock gets put in place again.
assertTrue(fs.exists(hbckLockPath));
}
-}
+ @Test
+ public void testInstallShutdownHook() throws IOException {
+ // Test for HBASE-26951
+
assertTrue(TEST_UTIL.getHBaseCluster().getMaster().isShutdownHookInstalled());
+ }
+}
diff --git
a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerNoMaster.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerNoMaster.java
index f97aa49f9a2..c69cc4f01cc 100644
---
a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerNoMaster.java
+++
b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerNoMaster.java
@@ -17,6 +17,7 @@
*/
package org.apache.hadoop.hbase.regionserver;
+import static org.junit.Assert.assertTrue;
import java.io.IOException;
import org.apache.hadoop.hbase.HBaseClassTestRule;
import org.apache.hadoop.hbase.HBaseTestingUtil;
@@ -299,4 +300,10 @@ public class TestRegionServerNoMaster {
openRegion(HTU, getRS(), hri);
}
}
+
+ @Test
+ public void testInstallShutdownHook() throws IOException {
+ // Test for HBASE-26951
+
assertTrue(HTU.getHBaseCluster().getRegionServer(0).isShutdownHookInstalled());
+ }
}
