diff --git a/build/docker/milvus/amazonlinux2023/Dockerfile b/build/docker/milvus/amazonlinux2023/Dockerfile
index 4be0fb3a15..580324bc19 100644
--- a/build/docker/milvus/amazonlinux2023/Dockerfile
+++ b/build/docker/milvus/amazonlinux2023/Dockerfile
@@ -25,6 +25,7 @@ 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
+ENV MALLOC_CONF=background_thread:true
 
 # Add Tini
 ADD https://github.com/krallin/tini/releases/download/v0.19.0/tini-$TARGETARCH /tini
diff --git a/build/docker/milvus/gpu/ubuntu20.04/Dockerfile b/build/docker/milvus/gpu/ubuntu20.04/Dockerfile
index a50c52c2a8..89c643d569 100644
--- a/build/docker/milvus/gpu/ubuntu20.04/Dockerfile
+++ b/build/docker/milvus/gpu/ubuntu20.04/Dockerfile
@@ -21,3 +21,4 @@ COPY ./lib/ /milvus/lib/
 ENV PATH=/milvus/bin:$PATH
 ENV LD_LIBRARY_PATH=/milvus/lib:$LD_LIBRARY_PATH:/usr/lib
 ENV LD_PRELOAD=/milvus/lib/libjemalloc.so
+ENV MALLOC_CONF=background_thread:true
diff --git a/build/docker/milvus/ubuntu20.04/Dockerfile b/build/docker/milvus/ubuntu20.04/Dockerfile
index ae8650e4c2..6ec233a9ca 100644
--- a/build/docker/milvus/ubuntu20.04/Dockerfile
+++ b/build/docker/milvus/ubuntu20.04/Dockerfile
@@ -27,6 +27,7 @@ COPY ./lib/ /milvus/lib/
 ENV PATH=/milvus/bin:$PATH
 ENV LD_LIBRARY_PATH=/milvus/lib:$LD_LIBRARY_PATH:/usr/lib
 ENV LD_PRELOAD=/milvus/lib/libjemalloc.so
+ENV MALLOC_CONF=background_thread:true
 
 # Add Tini
 ADD https://github.com/krallin/tini/releases/download/v0.19.0/tini-$TARGETARCH /tini