Where is the metadata stored in Hive

This article will explain in detail where the metadata is stored in Hive. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.

Hive metadata storage

Hive stores metadata in RDBMS, and there are three modes that can connect to the database:

Single User Mode: this mode connects to an In-memory database, Derby, and is typically used for Unit Test.

Multi User Mode: connecting to a database over a network is the most frequently used schema.

RemoteServer Mode: for non-Java clients to access the Metabase, start a MetaStoreServer on the server side, and the client uses the Thrift protocol to access the Metabase through MetaStoreServer.

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