add celery prefetch setting

api/docker/entrypoint.sh

@@ -33,7 +33,7 @@ if [[ "${MODE}" == "worker" ]]; then
   exec celery -A celery_entrypoint.celery worker -P ${CELERY_WORKER_CLASS:-gevent} $CONCURRENCY_OPTION \
     --max-tasks-per-child ${MAX_TASKS_PER_CHILD:-50} --loglevel ${LOG_LEVEL:-INFO} \
     -Q ${CELERY_QUEUES:-dataset,pipeline,mail,ops_trace,app_deletion,plugin,workflow_storage,conversation} \
-    --prefetch-multiplier=1
+    --prefetch-multiplier=1 --without-mingle --without-gossip
 
 elif [[ "${MODE}" == "beat" ]]; then
   exec celery -A app.celery beat --loglevel ${LOG_LEVEL:-INFO}