When you create a partition index, you specify a list of partition keys that already exist on a given table. Partition index is sub list of partition keys defined in the table. A partition index can be created on any permutation of partition keys defined on the table.

2021年6月3日 · To speed up query processing of highly partitioned tables cataloged in AWS Glue Data Catalog, you can take advantage of AWS Glue partition indexes. Partition indexes are available for queries in Amazon EMR, Amazon Redshift Spectrum, and AWS Glue extract, transform, and load (ETL) jobs (Spark DataFrame and Glue DynamicFrame).

2021年11月19日 · We’re pleased to announce Amazon Athena support for AWS Glue Data Catalog partition indexes. You can use the same indexes configured for Amazon EMR, Redshift Spectrum, and AWS Glue ETL jobs with Athena to reduce query planning times for highly partitioned tables, which is common in most data lakes …

Sign in to the AWS Management Console and open the AWS Glue console at https://console.aws.amazon.com/glue/. Choose Crawlers under the Data Catalog. When you define a crawler, the option to Create partition indexes automatically is enabled by default under Advanced options on the Set output and scheduling page.

Partition indexing allows Athena to optimize partition processing and improve query performance on highly partitioned tables. Setting up partition filtering in a table's properties is a two-step process: Creating a partition index in AWS Glue. Enabling partition filtering for the table.

2023年4月24日 · Today, AWS Glue Crawler support is expanded to automatically add partition indexes for newly discovered tables that will help analytics services such as Amazon Athena and AWS Glue to optimize partition processing to help with …

2023年3月1日 · Partition indexes are available for queries in Amazon EMR, Amazon Redshift Spectrum, and AWS Glue extract, transform, and load (ETL) jobs (Spark DataFrame and Glue DynamicFrame). When partition indexes are enabled on the heavily partitioned AWS Glue Data Catalog tables, all these query engines are accelerated.

2022年6月16日 · Glue partition indexes are an additional component you can add to your Glue tables to speed up query time. Essentially, partition indexes should target your most common...

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2023年4月30日 · Go to Glue Catalog and then tables. Choose the table you want to create an index. Go to indexes tab and add index. It will be ready in a couple of minutes. From now on, your Athena queries will be faster if your query has a where condition with …