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  • General

    4369 2024-07-01 《Apache Hudi 0.15.0》
    When is Hudi useful for me or my organization? What are some non-goals for Hudi? What is incremental processing? Why does Hudi docs/talks keep talking about it? How is Hudi opti...
  • Troubleshooting

    4280 2024-07-01 《Apache Hudi 0.15.0》
    Writing Tables org.apache.parquet.io.InvalidRecordException: Parquet/Avro schema mismatch: Avro field ‘col1’ not found java.lang.UnsupportedOperationException: org.apache.parquet....
  • 2.2. How To Use Spark Adaptive Query Execution (AQE) in Kyuubi

    How To Use Spark Adaptive Query Execution (AQE) in Kyuubi The Basics of AQE Dynamically Switch Join Strategies Dynamically Coalesce Shuffle Partitions Other Tips for Best Practise...
  • Design

    4267 2024-06-21 《Apache Accumulo 2.x》
    Background Data Model Architecture Components Tablet Server Garbage Collector Manager Tracer Monitor Compactor (experimental) Compaction Coordinator (experimental) Scan S...
  • Using Plugins

    4255 2024-05-20 《Apache Answer 1.3.0》
    Introduction Official plugins Plugin type Build Prerequisites Command Build docker image with plugin from answer base image Third-party plugin Usage Upgrade Develop and c...
  • Clustering

    4240 2024-06-30 《Apache Hudi 0.15.0》
    Background How is compaction different from clustering? Clustering Architecture Overall, there are 2 steps to clustering Schedule clustering Execute clustering Clustering Use...
  • SQL DDL

    4219 2024-06-30 《Apache Hudi 0.15.0》
    Spark SQL Create table Create non-partitioned table Create partitioned table Create table with record keys and ordering fields Create table from an external location Create Ta...
  • Flink Quick Start

    4184 2024-06-28 《Apache Hudi 0.15.0》
    Setup Flink Support Matrix Download Flink and Start Flink cluster Start Flink SQL client Create Table Insert Data Query Data Update Data Delete Data Row-level Delete Batch...
  • HTTP Connector

    http asynchronous write Write with Apache StreamPark™ http asynchronous write support type Configuration list of HTTP asynchronous write HTTP writes data asynchronously Other ...
  • Design & Concepts

    4166 2024-07-01 《Apache Hudi 0.15.0》
    How does Hudi ensure atomicity? Does Hudi extend the Hive table layout? What concurrency control approaches does Hudi adopt? Hudi’s commits are based on transaction start time i...