By choosing MetastoreType to AWS Glue Data Catalog Hive catalog uses the AWS Glue Data Catalog as its Metastore service. AWS Glue Data catalog can be used as the Hive metastore. To run a command on Hive metastore we will need to: Specify that the type is Hive --type hive. AWS Glue provides out-of-box integration with Amazon EMR that enables customers to use the AWS Glue Data Catalog as an external Hive Metastore. The AWS Glue Data Catalog consists of tables, which are the metadata definition that represents your data. AWS Glue Data Catalog. The AWS Glue Data Catalog is Apache Hive Metastore compatible and is a drop-in replacement for the Apache Hive Metastore for Big Data applications running on Amazon EMR. Insert the Hive metastore uri in the metastore-uri flag --metastore-uri thrift://hive-metastore:9083 The data that is used as sources and targets of your ETL jobs are stored in the data catalog. AWS Glue是对于Hive Metastore的另一个扩展，跟普通Hive Metastore不一样的是，Glue是一个支持多租户的元数据服务 — 不同的用户去调用同样的元数据接口: `getAllDatabases()` 返回的结果是不一样的。 But the one to focus on to solve our lack of metadata is the central metadata repository called the AWS Glue Data Catalog. By choosing MetastoreType to AWS Glue Data Catalog Hive connector will use AWS Glue Data Catalog as its Metastore service. External MySQL RDBMS By choosing MetastoreType to External MySQL RDBMS a separate EC2 instance will be created by CFT which will run Hive Metastore service that will leverage external MySQL RDBMS as its underlying storage. I want to connect to glue metastore but somehow library is trying to find metastore at localhost which is causing issue ? Is there is any value for hive.metastore.uris for aws glue ? Instead of using the Databricks Hive metastore, you have the option to use an existing external Hive metastore instance or the AWS Glue Catalog. emr version = emr-5.30.1. The AWS Glue Data Catalog is a fully managed, Apache Hive Metastore compatible, metadata repository. Customers can use the Data Catalog as a central repository to store structural and operational metadata for their data. applications = Hive 2.3.6, Presto 0.232, Spark 2.4.5. For more information on setting up your EMR cluster to use AWS Glue Data Catalog as an Apache Hive Metastore, click here. Following is my code I have enabled Use AWS Glue Data Catalog for table metadata. A persistent metadata store. Learn how AWS Glue can help you automate time-consuming data preparation processes and run your ETL jobs on a fully managed scalable Apache Spark environment. It can … Hive . The commands could run on Glue or Hive metastore, each of them have different parameters and different configurations. External MySQL RDBMS # By choosing MetastoreType to External MySQL RDBMS a separate EC2 instance is created by CFT which runs a Hive Metastore service that leverages an external MySQL RDBMS as its underlying storage. Every Databricks deployment has a central Hive metastore accessible by all clusters to persist table metadata. Metastores. As organizations move to the cloud, so does their transactional data. You can only use one data catalog per region. And it is a drop in replacement for Apache Hive Metastore. AWS Glue - Fully managed extract, transform, and load (ETL) service. Apache Hive - Data Warehouse Software for Reading, Writing, and Managing Large Datasets.