Relationships 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. |
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