Set jemalloc LD_PRELOAD env to linux image (#17494)

Signed-off-by: bigsheeper <yihao.dai@zilliz.com>

build/docker/milvus/centos7/Dockerfile

@@ -32,6 +32,7 @@ COPY ./lib/ /milvus/lib/
 
 ENV PATH=/milvus/bin:$PATH
 ENV LD_LIBRARY_PATH=/milvus/lib:$LD_LIBRARY_PATH:/usr/lib
+ENV LD_PRELOAD=/milvus/lib/libjemalloc.so
 
 # Add Tini
 ADD https://github.com/krallin/tini/releases/download/v0.19.0/tini /tini

build/docker/milvus/ubuntu18.04/Dockerfile

@@ -32,6 +32,7 @@ COPY ./lib/ /milvus/lib/
 
 ENV PATH=/milvus/bin:$PATH
 ENV LD_LIBRARY_PATH=/milvus/lib:$LD_LIBRARY_PATH:/usr/lib
+ENV LD_PRELOAD=/milvus/lib/libjemalloc.so
 
 # Add Tini
 ADD https://github.com/krallin/tini/releases/download/v0.19.0/tini /tini

cmd/roles/roles.go

@@ -90,6 +90,14 @@ func (mr *MilvusRoles) EnvValue(env string) bool {
 	return env == "1" || env == "true"
 }
 
+func (mr *MilvusRoles) printLDPreLoad() {
+	const LDPreLoad = "LD_PRELOAD"
+	val, ok := os.LookupEnv(LDPreLoad)
+	if ok {
+		log.Info("Enable Jemalloc", zap.String("Jemalloc Path", val))
+	}
+}
+
 func (mr *MilvusRoles) runRootCoord(ctx context.Context, localMsg bool) *components.RootCoord {
 	var rc *components.RootCoord
 	var wg sync.WaitGroup
@@ -349,6 +357,7 @@ func (mr *MilvusRoles) runIndexNode(ctx context.Context, localMsg bool, alias st
 func (mr *MilvusRoles) Run(local bool, alias string) {
 	log.Info("starting running Milvus components")
 	ctx, cancel := context.WithCancel(context.Background())
+	mr.printLDPreLoad()
 
 	// only standalone enable localMsg
 	if local {

scripts/start_cluster.sh

@@ -1,3 +1,5 @@
+#!/usr/bin/env bash
+
 # Licensed to the LF AI & Data foundation under one
 # or more contributor license agreements. See the NOTICE file
 # distributed with this work for additional information
@@ -14,11 +16,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-if [ "$(expr substr $(uname -s) 1 5)" == "Linux" ]; then
+if [[ "$OSTYPE" == "linux-gnu"* ]]; then
   LIBJEMALLOC=$PWD/internal/core/output/lib/libjemalloc.so
   if test -f "$LIBJEMALLOC"; then
     #echo "Found $LIBJEMALLOC"
-                export LD_PRELDOAD="$LIBJEMALLOC"
+    export LD_PRELOAD="$LIBJEMALLOC"
   else
     echo "WARN: Cannot find $LIBJEMALLOC"
   fi

scripts/start_standalone.sh

@@ -1,3 +1,5 @@
+#!/usr/bin/env bash
+
 # Licensed to the LF AI & Data foundation under one
 # or more contributor license agreements. See the NOTICE file
 # distributed with this work for additional information
@@ -14,12 +16,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-if [ "$(expr substr $(uname -s) 1 5)" == "Linux" ]; then
+if [[ "$OSTYPE" == "linux-gnu"* ]]; then
 	LIBJEMALLOC=$PWD/internal/core/output/lib/libjemalloc.so
 	if test -f "$LIBJEMALLOC"; then
 		#echo "Found $LIBJEMALLOC"
 		export LD_PRELOAD="$LIBJEMALLOC"
-		echo export LD_PRELOAD="$LIBJEMALLOC"
 	else
 		echo "WARN: Cannot find $LIBJEMALLOC"
 	fi