diff --git a/build/docker/milvus/amazonlinux2023/Dockerfile b/build/docker/milvus/amazonlinux2023/Dockerfile
index 4be0fb3a15576d52b0c97b5ffbc14528f7b6c921..580324bc199cbbe1d671e864016576fabb2ca7e6 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-$TARGETARCH /tini
diff --git a/build/docker/milvus/gpu/ubuntu20.04/Dockerfile b/build/docker/milvus/gpu/ubuntu20.04/Dockerfile
index a50c52c2a8ccbd5bc90e6549fbbb58d1c6b8b1ca..89c643d5694e1e34f3b5fd98cbfcededd1627ea9 100644
--- a/build/docker/milvus/gpu/ubuntu20.04/Dockerfile
+++ b/build/docker/milvus/gpu/ubuntu20.04/Dockerfile
@@ -21,3 +21,4 @@ COPY ./lib/ /milvus/lib/
 ENV PATH=/milvus/bin:$PATH
 ENV LD_LIBRARY_PATH=/milvus/lib:$LD_LIBRARY_PATH:/usr/lib
 ENV LD_PRELOAD=/milvus/lib/libjemalloc.so
+ENV MALLOC_CONF=background_thread:true
diff --git a/build/docker/milvus/ubuntu20.04/Dockerfile b/build/docker/milvus/ubuntu20.04/Dockerfile
index ae8650e4c2396ec347225a1bef995b5f413c684a..6ec233a9ca79a56839b09451648b67977dc306b4 100644
--- a/build/docker/milvus/ubuntu20.04/Dockerfile
+++ b/build/docker/milvus/ubuntu20.04/Dockerfile
@@ -27,6 +27,7 @@ COPY ./lib/ /milvus/lib/
 ENV PATH=/milvus/bin:$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