From a35a6ec06bc9a95e1718938da9175a9a3511f4d1 Mon Sep 17 00:00:00 2001
From: langlaile1221 <35354527+langlaile1221@users.noreply.github.com>
Date: Mon, 11 Oct 2021 16:11:31 +0800
Subject: [PATCH] HDFS-16241. Standby close reconstruction thread (#3493)

Co-authored-by: zhanghuazong <Zhz@20068867>
(cherry picked from commit 88d8c3d0c88bcec5acca30aadca36b7d65c4237c)
---
 .../hadoop/hdfs/server/blockmanagement/BlockManager.java   | 2 +-
 .../apache/hadoop/hdfs/server/namenode/FSNamesystem.java   | 7 +++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
index 8b17cca8ee6..ed5f4da50ab 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
@@ -3608,7 +3608,7 @@ public void run() {
   /*
    * Stop the ongoing initialisation of reconstruction queues
    */
-  private void stopReconstructionInitializer() {
+  public void stopReconstructionInitializer() {
     if (reconstructionQueuesInitializer != null) {
       reconstructionQueuesInitializer.interrupt();
       try {
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
index 54ce1f6bcf7..fbe32c03952 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
@@ -1427,8 +1427,11 @@ void stopActiveServices() {
     LOG.info("Stopping services started for active state");
     writeLock();
     try {
-      if (blockManager != null && blockManager.getSPSManager() != null) {
-        blockManager.getSPSManager().stop();
+      if (blockManager != null) {
+        blockManager.stopReconstructionInitializer();
+        if (blockManager.getSPSManager() != null) {
+          blockManager.getSPSManager().stop();
+        }
       }
       stopSecretManager();
       leaseManager.stopMonitor();