rename

Author: shuwenwei

iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/manager/ConfigManager.java

@@ -1728,7 +1728,12 @@ public TSStatus setConfiguration(TSetConfigurationReq req) {
       } else {
         String msg =
             "Unable to find the configuration file. Some modifications are made only in memory.";
-        tsStatus = RpcUtils.getStatus(TSStatusCode.EXECUTE_STATEMENT_ERROR, msg);
+        try {
+          ConfigNodeDescriptor.getInstance().loadHotModifiedProps(properties);
+          tsStatus = RpcUtils.getStatus(TSStatusCode.EXECUTE_STATEMENT_ERROR, msg);
+        } catch (Exception e) {
+          tsStatus = RpcUtils.getStatus(TSStatusCode.EXECUTE_STATEMENT_ERROR, e.getMessage());
+        }
         LOGGER.warn(msg);
       }
       if (currentNodeId == req.getNodeId()) {

iotdb-core/node-commons/src/assembly/resources/conf/iotdb-system.properties.template

@@ -1288,6 +1288,7 @@ tier_ttl_in_ms=-1
 ####################
 ### Compaction Configurations
 ####################
+
 # sequence space compaction: only compact the sequence files
 # effectiveMode: hot_reload
 # Datatype: boolean
@@ -1598,6 +1599,7 @@ region_migration_speed_limit_bytes_per_second = 50331648
 ####################
 ### Blob Allocator Configuration
 ####################
+
 # Whether to enable binary allocator.
 # For scenarios where large binary streams cause severe GC, enabling this parameter significantly improves performance.
 # effectiveMode: hot_reload
@@ -1974,6 +1976,7 @@ data_region_ratis_periodic_snapshot_interval=86400
 ####################
 ### IoTConsensusV2 Configuration
 ####################
+
 # Default event buffer size for connector and receiver in iot consensus v2
 # effectiveMode: restart
 # DataType: int

iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/conf/ConfigurationFileUtils.java

@@ -351,6 +351,7 @@ public static Map<String, DefaultConfigurationItem> getConfigurationItemsFromTem
                 .getResourceAsStream(CommonConfig.SYSTEM_CONFIG_TEMPLATE_NAME);
         InputStreamReader isr = new InputStreamReader(inputStream);
         BufferedReader reader = new BufferedReader(isr)) {
+      List<String> independentLines = new ArrayList<>();
       EffectiveModeType effectiveMode = null;
       StringBuilder description = new StringBuilder();
       String line;
@@ -359,34 +360,36 @@ public static Map<String, DefaultConfigurationItem> getConfigurationItemsFromTem
         if (line.isEmpty()) {
           description = new StringBuilder();
           effectiveMode = null;
+          independentLines.clear();
           continue;
         }
         if (line.startsWith("#")) {
           String comment = line.substring(1).trim();
           if (comment.isEmpty()) {
             continue;
           }
-          boolean needSeperateLine = false;
           if (comment.startsWith(EFFECTIVE_MODE_PREFIX)) {
             effectiveMode =
                 EffectiveModeType.getEffectiveMode(
                     comment.substring(EFFECTIVE_MODE_PREFIX.length()).trim());
-            needSeperateLine = true;
+            independentLines.add(comment);
+            continue;
           } else if (comment.startsWith(DATATYPE_PREFIX)) {
-            needSeperateLine = true;
+            independentLines.add(comment);
+            continue;
           } else {
             description.append(" ");
           }
           if (withDesc) {
             description.append(comment);
-            if (needSeperateLine) {
-              description.append(lineSeparator);
-            }
           }
         } else {
           int equalsIndex = line.indexOf('=');
           String key = line.substring(0, equalsIndex).trim();
           String value = line.substring(equalsIndex + 1).trim();
+          for (String independentLine : independentLines) {
+            description.append(lineSeparator).append(independentLine);
+          }
           items.put(
               key,
               new DefaultConfigurationItem(