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  • orm DTD/XSD

    2064 2024-05-25 《Apache JDO 3.2.1》
    JDO defines XML MetaData in jdo files as well as orm files. As always with XML, the metadata must match the defined DTD/XSD for that file type. This section describes the conten...
  • Streaming Reads

    2058 2024-06-30 《Apache Hudi 0.15.0》
    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...
  • Socket

    Support Those Engines Key features Description Sink Options Task Example Changelog 2.2.0-beta 2022-09-26 Socket sink connector Support Those Engines Spark Flink SeaTu...
  • Flink Writes

    2051 2025-03-11 《Apache Iceberg 1.8.1》
    Flink Writes Iceberg support batch and streaming writes With Apache Flink ‘s DataStream API and Table API. Writing with SQL Iceberg support both INSERT INTO and INSERT OVERWRIT...
  • Kyuubi v.s. HiveServer2

    2050 2024-07-05 《Apache Kyuubi 1.9.1》
    Introduction Hive on Spark Differences Between Kyuubi and HiveServer2 Performance References Introduction HiveServer2 is a service that enables clients to execute Hive QL qu...
  • Collect Information

    Before deploying a cluster, you should collect the following information: The fully qualified domain name (FQDN) of each host in your system. The Ambari Cluster Install wizard s...
  • 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...
  • Hive Metastore

    Syncing to Hive Metastore This document walks through the steps to register an Apache XTable™ (Incubating) synced table on Hive Metastore (HMS). Pre-requisites Source table(s) ...
  • 任务类型

    Appendix Shell SubProcess Dynamic Dependent Stored Procedure SQL Spark MapReduce Python Flink HTTP DataX Sqoop Pigeon Conditions Switch SeaTunnel Amazon EMR Apac...
  • jdoquery DTD/XSD

    2019 2024-05-25 《Apache JDO 3.2.1》
    JDO defines XML MetaData in jdo files as well as orm files, but also specifies that named queries can be defined in jdoquery files. As always with XML, the metadata must match t...