From 7e4754392d74dcfbf976cac16b3c2ead1b9aaace Mon Sep 17 00:00:00 2001
From: Weichen Zhao <61238101+SeasonPilot@users.noreply.github.com>
Date: Tue, 31 Mar 2026 10:17:47 +0800
Subject: [PATCH] feat: increase default celery worker concurrency to 4
 (#33105)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: Crazywoola <100913391+crazywoola@users.noreply.github.com>
---
 docker/.env.example        | 6 ++++--
 docker/docker-compose.yaml | 2 +-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/docker/.env.example b/docker/.env.example
index 9fbf9a9e72..b2d6244b46 100644
--- a/docker/.env.example
+++ b/docker/.env.example
@@ -186,8 +186,10 @@ CELERY_WORKER_CLASS=
 # it is recommended to set it to 360 to support a longer sse connection time.
 GUNICORN_TIMEOUT=360
 
-# The number of Celery workers. The default is 1, and can be set as needed.
-CELERY_WORKER_AMOUNT=
+# The number of Celery workers. The default is 4 for development environments
+# to allow parallel processing of workflows, document indexing, and other async tasks.
+# Adjust based on your system resources and workload requirements.
+CELERY_WORKER_AMOUNT=4
 
 # Flag indicating whether to enable autoscaling of Celery workers.
 #
diff --git a/docker/docker-compose.yaml b/docker/docker-compose.yaml
index 737a62020c..ed68107f46 100644
--- a/docker/docker-compose.yaml
+++ b/docker/docker-compose.yaml
@@ -46,7 +46,7 @@ x-shared-env: &shared-api-worker-env
   SERVER_WORKER_CONNECTIONS: ${SERVER_WORKER_CONNECTIONS:-10}
   CELERY_WORKER_CLASS: ${CELERY_WORKER_CLASS:-}
   GUNICORN_TIMEOUT: ${GUNICORN_TIMEOUT:-360}
-  CELERY_WORKER_AMOUNT: ${CELERY_WORKER_AMOUNT:-}
+  CELERY_WORKER_AMOUNT: ${CELERY_WORKER_AMOUNT:-4}
   CELERY_AUTO_SCALE: ${CELERY_AUTO_SCALE:-false}
   CELERY_MAX_WORKERS: ${CELERY_MAX_WORKERS:-}
   CELERY_MIN_WORKERS: ${CELERY_MIN_WORKERS:-}