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Collections
_.at(collection, [index]) Arguments Returns Example _.contains(collection, target, [fromIndex=0]) Aliases Arguments Returns Example _.countBy(collection, [callback=identit... -
Enterprise WeChat
Description Key features Options url [string] mentioned_list [array] mentioned_mobile_list [array] common options Example Changelog 2.2.0-beta 2022-09-26 2.3.0-beta 2022-1... -
Streaming Reads
Spark Streaming Spark Streaming Structured Streaming reads are based on Hudi’s Incremental Query feature, therefore streaming read can return data for which commits and base fil... -
Documentation Style Guide
Goals License Header General Style ReStructuredText Headings Links Markdown Headings Images Third-party references This guide contains guidelines, not rules. While guide... -
Memory Requirements
The Ambari host should have at least 1 GB RAM, with 500 MB free. To check available memory on any host, run: free - m If you plan to install the Ambari Metrics Service (AMS... -
Exceptions
JDOException Can Retry Exceptions Fatal Exceptions All exceptions raised by a JDO implementation are runtime exceptions which means that you can choose to catch the exceptions ... -
Memory Requirements
The Ambari host should have at least 1 GB RAM, with 500 MB free. To check available memory on any host, run: free - m If you plan to install the Ambari Metrics Service (AMS... -
Microsoft Azure
Disclaimer Supported Storage System Verified Combination of Spark and storage system HDInsight Spark2.4 on Azure Data Lake Storage Gen 2 Databricks Spark2.4 on Azure Data Lake S... -
Seatunnel runs on Flink
Set Flink configuration information in the job How to set up a simple Flink job How to run a job in a project Flink is a powerful high-performance distributed stream processing... -
Prepare the Environment
To deploy your Hortonworks stack using Ambari, you need to prepare your deployment environment: Set Up Password-less SSH Set Up Service User Accounts Enable NTP on the Cluster...