Fixed the bug that drop table won't release device num in quota & table requests may block forever after ConfigNode restart

Author: Caideyipi

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

@@ -1720,7 +1720,7 @@ public Pair<Long, Boolean> checkDuplicateTableTask(
     ProcedureType type;
     for (final Procedure<?> procedure : executor.getProcedures().values()) {
       type = ProcedureFactory.getProcedureType(procedure);
-      if (type == null) {
+      if (type == null || procedure.isFinished()) {
         continue;
       }
       // A table shall not be concurrently operated or else the dataNode cache

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/SchemaEngine.java

@@ -418,7 +418,8 @@ private long getTimeSeriesNumber(ISchemaRegion schemaRegion) {
    * @param req heartbeat request
    * @param resp heartbeat response
    */
-  public void updateAndFillSchemaCountMap(TDataNodeHeartbeatReq req, TDataNodeHeartbeatResp resp) {
+  public void updateAndFillSchemaCountMap(
+      final TDataNodeHeartbeatReq req, final TDataNodeHeartbeatResp resp) {
     // update DataNodeSchemaQuotaManager
     schemaQuotaManager.updateRemain(
         req.getTimeSeriesQuotaRemain(),
@@ -427,7 +428,7 @@ public void updateAndFillSchemaCountMap(TDataNodeHeartbeatReq req, TDataNodeHear
       if (resp.getRegionDeviceUsageMap() == null) {
         resp.setRegionDeviceUsageMap(new HashMap<>());
       }
-      Map<Integer, Long> tmp = resp.getRegionDeviceUsageMap();
+      final Map<Integer, Long> tmp = resp.getRegionDeviceUsageMap();
       SchemaRegionConsensusImpl.getInstance().getAllConsensusGroupIds().stream()
           .filter(
               consensusGroupId ->
@@ -446,7 +447,7 @@ public void updateAndFillSchemaCountMap(TDataNodeHeartbeatReq req, TDataNodeHear
       if (resp.getRegionSeriesUsageMap() == null) {
         resp.setRegionSeriesUsageMap(new HashMap<>());
       }
-      Map<Integer, Long> tmp = resp.getRegionSeriesUsageMap();
+      final Map<Integer, Long> tmp = resp.getRegionSeriesUsageMap();
       SchemaRegionConsensusImpl.getInstance().getAllConsensusGroupIds().stream()
           .filter(
               consensusGroupId ->

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/rescon/DataNodeSchemaQuotaManager.java

@@ -72,15 +72,15 @@ private void checkDeviceLevel() throws SchemaQuotaExceededException {
     }
   }
 
-  public void check(long acquireMeasurementNumber, int acquireDeviceNumber)
+  public void check(final long acquireMeasurementNumber, final int acquireDeviceNumber)
       throws SchemaQuotaExceededException {
     if (acquireDeviceNumber > 0) {
       checkDeviceLevel();
     }
     // if pass device check, check measurement level
     try {
       checkMeasurementLevel(acquireMeasurementNumber);
-    } catch (SchemaQuotaExceededException e) {
+    } catch (final SchemaQuotaExceededException e) {
       // if measurement level check failed, roll back device remain
       if (acquireDeviceNumber > 0) {
         deviceRemain.addAndGet(1L);

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/rescon/MemSchemaRegionStatistics.java

@@ -117,8 +117,11 @@ public void decreaseTableDevice(final String table, final long decrease) {
     tableDeviceNumber.computeIfPresent(table, (tableName, num) -> num - decrease);
   }
 
+  // Reset table device, will alter the schema statistics as well
   public void resetTableDevice(final String table) {
-    tableDeviceNumber.computeIfPresent(table, (tableName, num) -> 0L);
+    final long num = tableDeviceNumber.remove(table);
+    devicesNumber.addAndGet(-num);
+    schemaEngineStatistics.deleteDevice(num);
   }
 
   public void addDevice() {

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/mtree/impl/mem/MTreeBelowSGMemoryImpl.java

@@ -1724,8 +1724,6 @@ protected void updateEntity(final IDeviceMNode<IMemMNode> node) {
     }
   }
 
-  public void renameTableAttribute() {}
-
   public boolean deleteTableDevice(final String tableName, final IntConsumer attributeDeleter)
       throws MetadataException {
     if (!store.hasChild(storageGroupMNode, tableName)) {

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/tag/TagLogFile.java

@@ -41,6 +41,7 @@
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 
 public class TagLogFile implements AutoCloseable {
 
@@ -359,8 +360,10 @@ private void serializeMap(Map<String, String> map, ByteBuffer byteBuffer)
 
   @Override
   public void close() throws IOException {
-    fileChannel.force(true);
-    fileChannel.close();
-    fileChannel = null;
+    if (Objects.nonNull(fileChannel) && fileChannel.isOpen()) {
+      fileChannel.force(true);
+      fileChannel.close();
+      fileChannel = null;
+    }
   }
 }