Relationship Between HetuEngine and Other Components¶
The HetuEngine installation depends on the MRS cluster. Table 1 lists the components on which the HetuServer installation depends.
Name | Description |
|---|---|
HDFS | Hadoop Distributed File System, supporting high-throughput data access and suitable for applications with large-scale data sets. |
Hive | Open-source data warehouse built on Hadoop. It stores structured data and implements basic data analysis using the Hive Query Language (HQL), a SQL-like language. |
ZooKeeper | Enables highly reliable distributed coordination. It helps prevent single point of failures (SPOFs) and provides reliable services for applications. |
KrbServer | Key management center that distributes bills. |
Yarn | Resource management system, which is a general resource module that manages and schedules resources for various applications. |
DBService | DBService is a high-availability relational database storage system that provides metadata backup and restoration functions. |