diff --git a/be/src/olap/olap_server.cpp b/be/src/olap/olap_server.cpp
index b7395c45fe..6a87ca434c 100644
--- a/be/src/olap/olap_server.cpp
+++ b/be/src/olap/olap_server.cpp
@@ -323,7 +323,7 @@ void StorageEngine::_garbage_sweeper_thread_callback() {
         // when usage = 0.88,         ratio is approximately 0.0057.
         double ratio = (1.1 * (pi / 2 - std::atan(usage * 100 / 5 - 14)) - 0.28) / pi;
         ratio = ratio > 0 ? ratio : 0;
-        curr_interval = uint32_t(max_interval * ratio);
+        auto curr_interval = uint32_t(max_interval * ratio);
         curr_interval = std::max(curr_interval, min_interval);
         curr_interval = std::min(curr_interval, max_interval);
 
@@ -338,8 +338,6 @@ void StorageEngine::_garbage_sweeper_thread_callback() {
                          << "see previous message for detail. err code=" << res;
             // do nothing. continue next loop.
         }
-        LOG(INFO) << "trash thread check usage=" << usage << " ratio=" << ratio
-                  << " curr_interval=" << curr_interval;
     } while (!_stop_background_threads_latch.wait_for(std::chrono::seconds(curr_interval)));
 }