diff --git a/docs/high-concurrency/images/redis-single-thread-model.png b/docs/high-concurrency/images/redis-single-thread-model.png
index 604132d8dbad36a603ca27a9656fe3f2de387d91..f052c77bc790052f001ce75e5ba8ea6eb57c879b 100644
Binary files a/docs/high-concurrency/images/redis-single-thread-model.png and b/docs/high-concurrency/images/redis-single-thread-model.png differ
diff --git a/images/redis-single-thread-model.png b/images/redis-single-thread-model.png
index 604132d8dbad36a603ca27a9656fe3f2de387d91..cf105f4f2035daa1d40febdaca13bd9a46d2fa2f 100644
Binary files a/images/redis-single-thread-model.png and b/images/redis-single-thread-model.png differ