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yongzao pushed a commit to branch data-region-per-datanode
in repository https://gitbox.apache.org/repos/asf/iotdb.git

commit fe1993165780cfe2a8a83a7355f7c41f68c299fa
Author: YongzaoDan <[email protected]>
AuthorDate: Mon Mar 20 11:30:18 2023 +0800

    Finish
---
 .../iotdb/confignode/conf/ConfigNodeConfig.java       | 10 +++++-----
 .../iotdb/confignode/conf/ConfigNodeDescriptor.java   |  4 ++--
 .../confignode/manager/ClusterSchemaManager.java      | 19 +++++++++----------
 .../iotdb/confignode/manager/ConfigManager.java       |  6 +++---
 docs/UserGuide/Cluster/Cluster-Maintenance.md         |  2 +-
 docs/zh/UserGuide/Cluster/Cluster-Maintenance.md      |  2 +-
 .../it/cluster/IoTDBClusterNodeGetterIT.java          |  4 ++--
 .../confignode/it/utils/ConfigNodeTestUtils.java      |  2 +-
 .../assembly/resources/conf/iotdb-common.properties   |  6 +++---
 .../db/mpp/common/header/ColumnHeaderConstant.java    |  2 +-
 .../execution/config/metadata/ShowVariablesTask.java  |  4 ++--
 thrift-confignode/src/main/thrift/confignode.thrift   |  2 +-
 12 files changed, 31 insertions(+), 32 deletions(-)

diff --git 
a/confignode/src/main/java/org/apache/iotdb/confignode/conf/ConfigNodeConfig.java
 
b/confignode/src/main/java/org/apache/iotdb/confignode/conf/ConfigNodeConfig.java
index 0a725b42b5..8e963ee0c3 100644
--- 
a/confignode/src/main/java/org/apache/iotdb/confignode/conf/ConfigNodeConfig.java
+++ 
b/confignode/src/main/java/org/apache/iotdb/confignode/conf/ConfigNodeConfig.java
@@ -101,7 +101,7 @@ public class ConfigNodeConfig {
   private int defaultDataRegionGroupNumPerDatabase = 2;
 
   /** The maximum number of DataRegions expected to be managed by each 
DataNode. */
-  private double dataRegionPerProcessor = 1.0;
+  private double dataRegionPerDataNode = 5.0;
 
   /** RegionGroup allocate policy. */
   private RegionBalancer.RegionGroupAllocatePolicy regionGroupAllocatePolicy =
@@ -546,12 +546,12 @@ public class ConfigNodeConfig {
     this.dataRegionConsensusProtocolClass = dataRegionConsensusProtocolClass;
   }
 
-  public double getDataRegionPerProcessor() {
-    return dataRegionPerProcessor;
+  public double getDataRegionPerDataNode() {
+    return dataRegionPerDataNode;
   }
 
-  public void setDataRegionPerProcessor(double dataRegionPerProcessor) {
-    this.dataRegionPerProcessor = dataRegionPerProcessor;
+  public void setDataRegionPerDataNode(double dataRegionPerDataNode) {
+    this.dataRegionPerDataNode = dataRegionPerDataNode;
   }
 
   public RegionBalancer.RegionGroupAllocatePolicy 
getRegionGroupAllocatePolicy() {
diff --git 
a/confignode/src/main/java/org/apache/iotdb/confignode/conf/ConfigNodeDescriptor.java
 
b/confignode/src/main/java/org/apache/iotdb/confignode/conf/ConfigNodeDescriptor.java
index db7b8c0a11..ef1536776d 100644
--- 
a/confignode/src/main/java/org/apache/iotdb/confignode/conf/ConfigNodeDescriptor.java
+++ 
b/confignode/src/main/java/org/apache/iotdb/confignode/conf/ConfigNodeDescriptor.java
@@ -250,11 +250,11 @@ public class ConfigNodeDescriptor {
                 "default_data_region_group_num_per_database",
                 
String.valueOf(conf.getDefaultDataRegionGroupNumPerDatabase()).trim())));
 
-    conf.setDataRegionPerProcessor(
+    conf.setDataRegionPerDataNode(
         Double.parseDouble(
             properties
                 .getProperty(
-                    "data_region_per_processor", 
String.valueOf(conf.getDataRegionPerProcessor()))
+                    "data_region_per_data_node", 
String.valueOf(conf.getDataRegionPerDataNode()))
                 .trim()));
 
     try {
diff --git 
a/confignode/src/main/java/org/apache/iotdb/confignode/manager/ClusterSchemaManager.java
 
b/confignode/src/main/java/org/apache/iotdb/confignode/manager/ClusterSchemaManager.java
index 7c6295722f..89d93a6fa0 100644
--- 
a/confignode/src/main/java/org/apache/iotdb/confignode/manager/ClusterSchemaManager.java
+++ 
b/confignode/src/main/java/org/apache/iotdb/confignode/manager/ClusterSchemaManager.java
@@ -103,7 +103,7 @@ public class ClusterSchemaManager {
 
   private static final ConfigNodeConfig CONF = 
ConfigNodeDescriptor.getInstance().getConf();
   private static final double SCHEMA_REGION_PER_DATA_NODE = 
CONF.getSchemaRegionPerDataNode();
-  private static final double DATA_REGION_PER_PROCESSOR = 
CONF.getDataRegionPerProcessor();
+  private static final double DATA_REGION_PER_DATA_NODE = 
CONF.getDataRegionPerDataNode();
 
   private final IManager configManager;
   private final ClusterSchemaInfo clusterSchemaInfo;
@@ -376,7 +376,6 @@ public class ClusterSchemaManager {
     }
 
     int dataNodeNum = getNodeManager().getRegisteredDataNodeCount();
-    int totalCpuCoreNum = getNodeManager().getTotalCpuCoreCount();
     int databaseNum = databaseSchemaMap.size();
 
     for (TDatabaseSchema databaseSchema : databaseSchemaMap.values()) {
@@ -389,8 +388,8 @@ public class ClusterSchemaManager {
     AdjustMaxRegionGroupNumPlan adjustMaxRegionGroupNumPlan = new 
AdjustMaxRegionGroupNumPlan();
     for (TDatabaseSchema databaseSchema : databaseSchemaMap.values()) {
       try {
-        // Adjust maxSchemaRegionGroupNum for each StorageGroup.
-        // All StorageGroups share the DataNodes equally.
+        // Adjust maxSchemaRegionGroupNum for each Database.
+        // All Databases share the DataNodes equally.
         // The allocated SchemaRegionGroups will not be shrunk.
         int allocatedSchemaRegionGroupCount;
         try {
@@ -415,8 +414,8 @@ public class ClusterSchemaManager {
             databaseSchema.getName(),
             maxSchemaRegionGroupNum);
 
-        // Adjust maxDataRegionGroupNum for each StorageGroup.
-        // All StorageGroups divide the total cpu cores equally.
+        // Adjust maxDataRegionGroupNum for each Database.
+        // All Databases share the DataNodes equally.
         // The allocated DataRegionGroups will not be shrunk.
         int allocatedDataRegionGroupCount =
             getPartitionManager()
@@ -424,8 +423,8 @@ public class ClusterSchemaManager {
         int maxDataRegionGroupNum =
             calcMaxRegionGroupNum(
                 databaseSchema.getMinDataRegionGroupNum(),
-                DATA_REGION_PER_PROCESSOR,
-                totalCpuCoreNum,
+                DATA_REGION_PER_DATA_NODE,
+                dataNodeNum,
                 databaseNum,
                 databaseSchema.getDataReplicationFactor(),
                 allocatedDataRegionGroupCount);
@@ -447,7 +446,7 @@ public class ClusterSchemaManager {
       int minRegionGroupNum,
       double resourceWeight,
       int resource,
-      int storageGroupNum,
+      int databaseNum,
       int replicationFactor,
       int allocatedRegionGroupCount) {
     return Math.max(
@@ -460,7 +459,7 @@ public class ClusterSchemaManager {
                 Math.ceil(
                     // The maxRegionGroupNum of the current StorageGroup is 
expected to be:
                     // (resourceWeight * resource) / (createdStorageGroupNum * 
replicationFactor)
-                    resourceWeight * resource / (double) (storageGroupNum * 
replicationFactor)),
+                    resourceWeight * resource / (double) (databaseNum * 
replicationFactor)),
             // The maxRegionGroupNum should be great or equal to the 
allocatedRegionGroupCount
             allocatedRegionGroupCount));
   }
diff --git 
a/confignode/src/main/java/org/apache/iotdb/confignode/manager/ConfigManager.java
 
b/confignode/src/main/java/org/apache/iotdb/confignode/manager/ConfigManager.java
index d92883c14f..924cf9ef1e 100644
--- 
a/confignode/src/main/java/org/apache/iotdb/confignode/manager/ConfigManager.java
+++ 
b/confignode/src/main/java/org/apache/iotdb/confignode/manager/ConfigManager.java
@@ -468,7 +468,7 @@ public class ConfigManager implements IManager {
     
clusterParameters.setTimePartitionInterval(CONF.getTimePartitionInterval());
     
clusterParameters.setDataReplicationFactor(CONF.getDataReplicationFactor());
     
clusterParameters.setSchemaReplicationFactor(CONF.getSchemaReplicationFactor());
-    
clusterParameters.setDataRegionPerProcessor(CONF.getDataRegionPerProcessor());
+    
clusterParameters.setDataRegionPerDataNode(CONF.getDataRegionPerDataNode());
     
clusterParameters.setSchemaRegionPerDataNode(CONF.getSchemaRegionPerDataNode());
     
clusterParameters.setDiskSpaceWarningThreshold(COMMON_CONF.getDiskSpaceWarningThreshold());
     clusterParameters.setReadConsistencyLevel(CONF.getReadConsistencyLevel());
@@ -1077,8 +1077,8 @@ public class ConfigManager implements IManager {
     if (clusterParameters.getSchemaRegionPerDataNode() != 
CONF.getSchemaRegionPerDataNode()) {
       return errorStatus.setMessage(errorPrefix + 
"schema_region_per_data_node" + errorSuffix);
     }
-    if (clusterParameters.getDataRegionPerProcessor() != 
CONF.getDataRegionPerProcessor()) {
-      return errorStatus.setMessage(errorPrefix + "data_region_per_processor" 
+ errorSuffix);
+    if (clusterParameters.getDataRegionPerDataNode() != 
CONF.getDataRegionPerDataNode()) {
+      return errorStatus.setMessage(errorPrefix + "data_region_per_data_node" 
+ errorSuffix);
     }
 
     if 
(!clusterParameters.getReadConsistencyLevel().equals(CONF.getReadConsistencyLevel()))
 {
diff --git a/docs/UserGuide/Cluster/Cluster-Maintenance.md 
b/docs/UserGuide/Cluster/Cluster-Maintenance.md
index f10a4ed906..8c3ab7c809 100644
--- a/docs/UserGuide/Cluster/Cluster-Maintenance.md
+++ b/docs/UserGuide/Cluster/Cluster-Maintenance.md
@@ -44,7 +44,7 @@ IoTDB> show variables
 |                    DefaultTTL(ms)|                                           
   9223372036854775807|
 |              ReadConsistencyLevel|                                           
                strong|
 |           SchemaRegionPerDataNode|                                           
                   1.0|
-|            DataRegionPerProcessor|                                           
                   1.0|
+|             DataRegionPerDataNode|                                           
                   5.0|
 |           LeastDataRegionGroupNum|                                           
                     5|
 |                     SeriesSlotNum|                                           
                 10000|
 |           
SeriesSlotExecutorClass|org.apache.iotdb.commons.partition.executor.hash.BKDRHashExecutor|
diff --git a/docs/zh/UserGuide/Cluster/Cluster-Maintenance.md 
b/docs/zh/UserGuide/Cluster/Cluster-Maintenance.md
index ea7dd151d0..84bc486703 100644
--- a/docs/zh/UserGuide/Cluster/Cluster-Maintenance.md
+++ b/docs/zh/UserGuide/Cluster/Cluster-Maintenance.md
@@ -44,7 +44,7 @@ IoTDB> show variables
 |                    DefaultTTL(ms)|                                           
   9223372036854775807|
 |              ReadConsistencyLevel|                                           
                strong|
 |           SchemaRegionPerDataNode|                                           
                   1.0|
-|            DataRegionPerProcessor|                                           
                   1.0|
+|             DataRegionPerDataNode|                                           
                   5.0|
 |           LeastDataRegionGroupNum|                                           
                     5|
 |                     SeriesSlotNum|                                           
                 10000|
 |           
SeriesSlotExecutorClass|org.apache.iotdb.commons.partition.executor.hash.BKDRHashExecutor|
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/confignode/it/cluster/IoTDBClusterNodeGetterIT.java
 
b/integration-test/src/test/java/org/apache/iotdb/confignode/it/cluster/IoTDBClusterNodeGetterIT.java
index 351d69a303..5694dbd25e 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/confignode/it/cluster/IoTDBClusterNodeGetterIT.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/confignode/it/cluster/IoTDBClusterNodeGetterIT.java
@@ -162,8 +162,8 @@ public class IoTDBClusterNodeGetterIT {
           expectedParameters.getSchemaReplicationFactor(),
           clusterParameters.getSchemaReplicationFactor());
       Assert.assertEquals(
-          expectedParameters.getDataRegionPerProcessor(),
-          clusterParameters.getDataRegionPerProcessor(),
+          expectedParameters.getDataRegionPerDataNode(),
+          clusterParameters.getDataRegionPerDataNode(),
           0.01);
       Assert.assertEquals(
           expectedParameters.getSchemaRegionPerDataNode(),
diff --git 
a/integration-test/src/test/java/org/apache/iotdb/confignode/it/utils/ConfigNodeTestUtils.java
 
b/integration-test/src/test/java/org/apache/iotdb/confignode/it/utils/ConfigNodeTestUtils.java
index 735082c5d7..2bca1e15cd 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/confignode/it/utils/ConfigNodeTestUtils.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/confignode/it/utils/ConfigNodeTestUtils.java
@@ -208,7 +208,7 @@ public class ConfigNodeTestUtils {
     clusterParameters.setTimePartitionInterval(604800000);
     clusterParameters.setDataReplicationFactor(1);
     clusterParameters.setSchemaReplicationFactor(1);
-    clusterParameters.setDataRegionPerProcessor(1.0);
+    clusterParameters.setDataRegionPerDataNode(5.0);
     clusterParameters.setSchemaRegionPerDataNode(1.0);
     clusterParameters.setDiskSpaceWarningThreshold(0.05);
     clusterParameters.setReadConsistencyLevel("strong");
diff --git a/node-commons/src/assembly/resources/conf/iotdb-common.properties 
b/node-commons/src/assembly/resources/conf/iotdb-common.properties
index 0ac0c6f4ce..02bae820b8 100644
--- a/node-commons/src/assembly/resources/conf/iotdb-common.properties
+++ b/node-commons/src/assembly/resources/conf/iotdb-common.properties
@@ -103,7 +103,7 @@ cluster_name=defaultCluster
 # This parameter is the maximum number of SchemaRegions expected to be managed 
by each DataNode.
 # Notice: Since each Database requires at least one SchemaRegionGroup to 
manage its schema,
 # this parameter doesn't limit the upper bound of cluster SchemaRegions when 
there are too many Databases.
-# Default is equal to the schema_replication_factor.
+# Default is equal to the schema_replication_factor to ensure each DataNode 
will have a SchemaRegionGroupLeader.
 # Datatype: Double
 # schema_region_per_data_node=1.0
 
@@ -122,11 +122,11 @@ cluster_name=defaultCluster
 # default_data_region_group_num_per_database=2
 
 # Only take effect when set data_region_group_extension_policy=AUTO.
-# This parameter is the maximum number of DataRegions expected to be managed 
by each processor.
+# This parameter is the maximum number of DataRegions expected to be managed 
by each DataNode.
 # Notice: Since each Database requires at least two DataRegionGroups to manage 
its data,
 # this parameter doesn't limit the upper bound of cluster DataRegions when 
there are too many Databases.
 # Datatype: Double
-# data_region_per_processor=1.0
+# data_region_per_data_node=5.0
 
 
 # Whether to enable the DataPartition inherit policy.
diff --git 
a/server/src/main/java/org/apache/iotdb/db/mpp/common/header/ColumnHeaderConstant.java
 
b/server/src/main/java/org/apache/iotdb/db/mpp/common/header/ColumnHeaderConstant.java
index e78060ce3a..2097a05478 100644
--- 
a/server/src/main/java/org/apache/iotdb/db/mpp/common/header/ColumnHeaderConstant.java
+++ 
b/server/src/main/java/org/apache/iotdb/db/mpp/common/header/ColumnHeaderConstant.java
@@ -114,7 +114,7 @@ public class ColumnHeaderConstant {
   public static final String SERIES_SLOT_EXECUTOR_CLASS = 
"SeriesSlotExecutorClass";
   public static final String DEFAULT_TTL = "DefaultTTL(ms)";
   public static final String SCHEMA_REGION_PER_DATA_NODE = 
"SchemaRegionPerDataNode";
-  public static final String DATA_REGION_PER_PROCESSOR = 
"DataRegionPerProcessor";
+  public static final String DATA_REGION_PER_DATA_NODE = 
"DataRegionPerDataNode";
   public static final String READ_CONSISTENCY_LEVEL = "ReadConsistencyLevel";
   public static final String DISK_SPACE_WARNING_THRESHOLD = 
"DiskSpaceWarningThreshold";
 
diff --git 
a/server/src/main/java/org/apache/iotdb/db/mpp/plan/execution/config/metadata/ShowVariablesTask.java
 
b/server/src/main/java/org/apache/iotdb/db/mpp/plan/execution/config/metadata/ShowVariablesTask.java
index 90e3ffd166..a43715fe9c 100644
--- 
a/server/src/main/java/org/apache/iotdb/db/mpp/plan/execution/config/metadata/ShowVariablesTask.java
+++ 
b/server/src/main/java/org/apache/iotdb/db/mpp/plan/execution/config/metadata/ShowVariablesTask.java
@@ -103,8 +103,8 @@ public class ShowVariablesTask implements IConfigTask {
         new 
Binary(String.valueOf(clusterParameters.getSchemaRegionPerDataNode())));
     buildTSBlock(
         builder,
-        new Binary(ColumnHeaderConstant.DATA_REGION_PER_PROCESSOR),
-        new 
Binary(String.valueOf(clusterParameters.getDataRegionPerProcessor())));
+        new Binary(ColumnHeaderConstant.DATA_REGION_PER_DATA_NODE),
+        new 
Binary(String.valueOf(clusterParameters.getDataRegionPerDataNode())));
     buildTSBlock(
         builder,
         new Binary(ColumnHeaderConstant.SERIES_SLOT_NUM),
diff --git a/thrift-confignode/src/main/thrift/confignode.thrift 
b/thrift-confignode/src/main/thrift/confignode.thrift
index fc866714f2..ac5ab69268 100644
--- a/thrift-confignode/src/main/thrift/confignode.thrift
+++ b/thrift-confignode/src/main/thrift/confignode.thrift
@@ -333,7 +333,7 @@ struct TClusterParameters {
   8: required i64 defaultTTL
   9: required string readConsistencyLevel
   10: required double schemaRegionPerDataNode
-  11: required double dataRegionPerProcessor
+  11: required double dataRegionPerDataNode
   12: required i32 seriesPartitionSlotNum
   13: required string seriesPartitionExecutorClass
   14: required double diskSpaceWarningThreshold

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