Set LD_PRELOAD before container starts.

build.sh

@@ -27,6 +27,7 @@ function apt_get_install {
     libperl-dev \
     libltdl-dev \
     libltdl7 \
+    libtcmalloc-minimal4 \
     openssl \
     make \
     wget

start.sh

@@ -213,6 +213,10 @@ function kinit_svc() {
 }
 
 # MAIN
+if [ -e /usr/lib/x86_64-linux-gnu/libtcmalloc_minimal.so.4 ]
+then
+  export LD_PRELOAD="/usr/lib/x86_64-linux-gnu/libtcmalloc_minimal.so.4"
+fi
 
 # ensure data dump dirs present
 mkdir -p ${LDAP_BAK_DIR}/mdb ${LDAP_BAK_DIR}/mdb/accesslog ${LDAP_BAK_DIR}/config ${LDAP_MDB_DIR}/accesslog