fix

Signed-off-by: Weihao Li <[email protected]>

Author: Wei-hao-Li

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/conf/IoTDBDescriptor.java

@@ -2034,6 +2034,12 @@ public synchronized void loadHotModifiedProps(TrimProperties properties)
               properties.getProperty(
                   "slow_query_threshold",
                   ConfigurationFileUtils.getConfigurationDefaultValue("slow_query_threshold"))));
+      // update query_cost_stat_window
+      conf.setQueryCostStatWindow(
+          Integer.parseInt(
+              properties.getProperty(
+                  "query_cost_stat_window",
+                  ConfigurationFileUtils.getConfigurationDefaultValue("query_cost_stat_window"))));
       // update select into operation max buffer size
       conf.setIntoOperationBufferSizeInByte(
           Long.parseLong(