![]() ![]() :param data_source: The URI of your food establishment data CSV, such as 's3://DOC-EXAMPLE-BUCKET/food-establishment-data.csv'. With the most Red violations from 2006 to 2020. Processes sample food establishment inspection data and queries the data to find the top 10 establishments Followingĭef calculate_red_violations(data_source, output_uri): King County Open Data: Food Establishment Inspection Data. Results in King County, Washington, from 2006 to 2020. The input data is a modified version of Health Department inspection You also upload sample input data to Amazon S3 for the PySpark script to Results file lists the top ten establishments with the most "Red" type The script processes foodĮstablishment inspection data and returns a results file in your S3 bucket. We've provided a PySpark script for you to use. In this step, you upload a sample PySpark script to your Amazon S3 bucket. You specify the Amazon S3 locations for your script and data. Then, when you submit work to your cluster The most common way to prepare an application for Amazon EMR is to upload theĪpplication and its input data to Amazon S3. Names can consist of lowercase letters, numbers, periods (.), and hyphensĪ bucket name must be unique across all AWS For example, US West (Oregon) us-west-2.īuckets and folders that you use with Amazon EMR have the following limitations: Create the bucket in the same AWS Region where you plan to I create an S3 bucket? in the Amazon Simple Storage Service Console User To create a bucket for this tutorial, follow the instructions in How do For more information, see Work with storage and file systems. Read and write regular files to Amazon S3. EMRFS is an implementation of the Hadoop file system that lets you In this tutorial, you use EMRFS to store data inĪn S3 bucket. When you use Amazon EMR, you can choose from a variety of file systems to store inputĭata, output data, and log files. ![]() For more information, see Amazon S3 pricing and AWS Free Tier. Some orĪll of the charges for Amazon S3 might be waived if you are within the usage limits Minimal charges might accrue for small files that you store in Amazon S3. Per-second rate according to Amazon EMR pricing. To avoid additional charges, make sure you complete theĬleanup tasks in the last step of this tutorial. The sample cluster that you create runs in a live environment. ![]()
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