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FusionInsight HD 6.5.0 Product Description 02

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Basic Concept

Basic Concept


Fiber is an SQL entry based on the JDBC drivers of Hive, Spark, and Phoenix (the SQL entry of HBase). Fiber enables the connections to the JDBC services of Hive, Spark, and, HBase. With Fiber driver, you can compile an application to dynamically switch JDBC connections in program without modifying the JDBC Servers of Hive, Spark, and HBase.


The Fiber Driver loads the JDBC Drivers of lower-layer Hive, Spark, and Phoenix (the SQL entry of HBase). When a user uses Spark as the execution engine to execute an SQL instruction, the instruction is executed by the Spark JDBC Driver. When the user switch the execution from Spark to Hive, or Phoenix, the JDBC Driver of each component executes the instruction. The following figure shows the overall architecture:

Figure 4-44 Fiber Overall architecture
Updated: 2019-05-17

Document ID: EDOC1100074548

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