- Product Introduction
- Purchase Guide
- Getting Started
- Operation Guide
- Development Guide
- Design of Data Table
- Importing Data
- Import Overview
- Import Methods
- Synchronizing Data with JDBC
- Synchronizing Data Through External Tables
- Real-time or Batch Writing of MySQL Data
- Importing Data from Kafka
- Importing with DataX
- Importing Doris from Logstash
- Data Transformation, Column Mapping and Filtering
- Importing Strict Mode
- Importing Data in JSON Format
- Exporting Data
- Basic Feature
- Query Optimization
- Ecological Expansion Feature
- Product Policy
- Product Introduction
- Purchase Guide
- Getting Started
- Operation Guide
- Development Guide
- Design of Data Table
- Importing Data
- Import Overview
- Import Methods
- Synchronizing Data with JDBC
- Synchronizing Data Through External Tables
- Real-time or Batch Writing of MySQL Data
- Importing Data from Kafka
- Importing with DataX
- Importing Doris from Logstash
- Data Transformation, Column Mapping and Filtering
- Importing Strict Mode
- Importing Data in JSON Format
- Exporting Data
- Basic Feature
- Query Optimization
- Ecological Expansion Feature
- Product Policy
Region
A region is a geographical area where a physical Tencent Cloud TCHouse-D server is located. Select a region with caution as you cannot change it after service purchase and networks are completely isolated between regions. For a lower access latency and higher read and write speeds, it is advisable to select a region closest to your users.
Availability Zone (AZ)
An availability zone (AZ) is a physical IDC with isolated resources within a region.
Cluster
A cluster of Tencent Cloud TCHouse-D typically consists of 1-3 frontends (FE) and several backends (BE).
FE
FE is an abbreviation for frontend, which manages metadata, client connections, query planning, and query scheduling.
BE
BE is an abbreviation for backend, which is responsible for data storage, computation execution, compaction, and replica management.
Broker
The Broker process is a transit service to bridge Tencent Cloud TCHouse-D with external data such as HDFS and Cloud Object Storage, providing import and export features.
Tablet
In Tencent Cloud TCHouse-D, a tablet is the logical shard of a table and the basic unit for replica management. According to the partitioning and bucketing mechanism, each table is divided into multiple tablets, which are stored on different BE nodes.
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