From 1e337d24202231c61f916f2cc51e8af42728dd37 Mon Sep 17 00:00:00 2001
From: Tboy <technoboy@yeah.net>
Date: Wed, 16 Oct 2019 13:46:22 +0800
Subject: [PATCH] update hearbeat thread num = 1 (#1029)

* move updateTaskState into try/catch block in case of exception

* fix NPE

* using conf.getInt instead of getString

* for AbstractZKClient, remove the log, for it will print the same log message in createZNodePath.
for AlertDao, correct the spelling.

* duplicate

* refactor getTaskWorkerGroupId

* add friendly log

* update hearbeat thread num = 1
---
 .../java/org/apache/dolphinscheduler/common/Constants.java    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/Constants.java b/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/Constants.java
index 2240aa9b43..7460cebb5a 100644
--- a/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/Constants.java
+++ b/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/Constants.java
@@ -368,7 +368,7 @@ public final class Constants {
     /**
      * heartbeat threads number
      */
-    public static final int defaulWorkerHeartbeatThreadNum = 5;
+    public static final int defaulWorkerHeartbeatThreadNum = 1;
 
     /**
      * heartbeat interval
@@ -431,7 +431,7 @@ public final class Constants {
     /**
      * default master heartbeat thread number
      */
-    public static final int defaulMasterHeartbeatThreadNum = 5;
+    public static final int defaulMasterHeartbeatThreadNum = 1;
 
 
     /**