diff --git a/plugins/mariadb/versions/10.6/install.sh b/plugins/mariadb/versions/10.6/install.sh
index 83ff89cb1..8a0f55cf4 100755
--- a/plugins/mariadb/versions/10.6/install.sh
+++ b/plugins/mariadb/versions/10.6/install.sh
@@ -51,6 +51,10 @@ Install_app()
 	else
 	    cpuCore="1"
 	fi
+
+	if [ "$cpuCore" -gt "1" ];then
+		cpuCore=`echo "$cpuCore" | awk '{printf("%.f",($1)*0.8)}'`
+	fi
 	# ----- cpu end ------
 
 	if [ ! -f ${mariadbDir}/mariadb-${MY_VER}.tar.gz ];then
diff --git a/plugins/mariadb/versions/10.7/install.sh b/plugins/mariadb/versions/10.7/install.sh
index b7a157592..ab3508dab 100755
--- a/plugins/mariadb/versions/10.7/install.sh
+++ b/plugins/mariadb/versions/10.7/install.sh
@@ -51,6 +51,10 @@ Install_app()
 	else
 	    cpuCore="1"
 	fi
+
+	if [ "$cpuCore" -gt "1" ];then
+		cpuCore=`echo "$cpuCore" | awk '{printf("%.f",($1)*0.8)}'`
+	fi
 	# ----- cpu end ------
 
 	if [ ! -f ${mariadbDir}/mariadb-${MY_VER}.tar.gz ];then
diff --git a/plugins/mariadb/versions/10.8/install.sh b/plugins/mariadb/versions/10.8/install.sh
index b3bee2bdc..8321b1fad 100755
--- a/plugins/mariadb/versions/10.8/install.sh
+++ b/plugins/mariadb/versions/10.8/install.sh
@@ -51,6 +51,10 @@ Install_app()
 	else
 	    cpuCore="1"
 	fi
+
+	if [ "$cpuCore" -gt "1" ];then
+		cpuCore=`echo "$cpuCore" | awk '{printf("%.f",($1)*0.8)}'`
+	fi
 	# ----- cpu end ------
 
 	if [ ! -f ${mariadbDir}/mariadb-${MY_VER}.tar.gz ];then
diff --git a/plugins/mysql/versions/5.5/install.sh b/plugins/mysql/versions/5.5/install.sh
index a24c248b7..972dfc431 100755
--- a/plugins/mysql/versions/5.5/install.sh
+++ b/plugins/mysql/versions/5.5/install.sh
@@ -50,6 +50,10 @@ Install_mysql()
 	else
 	    cpuCore="1"
 	fi
+
+	if [ "$cpuCore" -gt "1" ];then
+		cpuCore=`echo "$cpuCore" | awk '{printf("%.f",($1)*0.8)}'`
+	fi
 	# ----- cpu end ------
 
 	if [ ! -f ${mysqlDir}/mysql-5.5.62.tar.gz ];then
diff --git a/plugins/mysql/versions/5.6/install.sh b/plugins/mysql/versions/5.6/install.sh
index 734ec47bc..b0d67d46f 100755
--- a/plugins/mysql/versions/5.6/install.sh
+++ b/plugins/mysql/versions/5.6/install.sh
@@ -53,6 +53,10 @@ Install_mysql()
 	else
 	    cpuCore="1"
 	fi
+
+	if [ "$cpuCore" -gt "1" ];then
+		cpuCore=`echo "$cpuCore" | awk '{printf("%.f",($1)*0.8)}'`
+	fi
 	# ----- cpu end ------
 	
 
diff --git a/plugins/mysql/versions/5.7/install.sh b/plugins/mysql/versions/5.7/install.sh
index 2c06faf29..955bbea78 100755
--- a/plugins/mysql/versions/5.7/install.sh
+++ b/plugins/mysql/versions/5.7/install.sh
@@ -55,6 +55,10 @@ Install_mysql()
 	else
 	    cpuCore="1"
 	fi
+
+	if [ "$cpuCore" -gt "1" ];then
+		cpuCore=`echo "$cpuCore" | awk '{printf("%.f",($1)*0.8)}'`
+	fi
 	# ----- cpu end ------
 
 	cd $serverPath/mdserver-web/plugins/mysql/lib && /bin/bash rpcgen.sh
diff --git a/plugins/mysql/versions/8.0/install.sh b/plugins/mysql/versions/8.0/install.sh
index 06b27d1ea..79a02406f 100755
--- a/plugins/mysql/versions/8.0/install.sh
+++ b/plugins/mysql/versions/8.0/install.sh
@@ -92,6 +92,10 @@ Install_mysql()
 	else
 	    cpuCore="1"
 	fi
+
+	if [ "$cpuCore" -gt "1" ];then
+		cpuCore=`echo "$cpuCore" | awk '{printf("%.f",($1)*0.8)}'`
+	fi
 	# ----- cpu end ------
 
 	cd $serverPath/mdserver-web/plugins/mysql/lib && /bin/bash rpcgen.sh