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  • Spark Tuning Guide

    1121 2024-07-01 《Apache Hudi 0.15.0》
    Spark Tuning Guide Writing General Tips Spark failures Hudi consumes too much space in a temp folder while upsert How to tune shuffle parallelism of Hudi jobs ? GC Tuning ...
  • Batch Writes

    1120 2024-06-30 《Apache Hudi 0.15.0》
    Spark DataSource API The hudi-spark module offers the DataSource API to write a Spark DataFrame into a Hudi table. There are a number of options available: HoodieWriteConfig :...
  • Hive

    Description Key features Options table_name [string] metastore_uri [string] hdfs_site_path [string] hive_site_path [string] hive.hadoop.conf [map] hive.hadoop.conf-path [str...
  • 1. Deploy Kyuubi engines on Yarn

    Deploy Kyuubi engines on Yarn Requirements Configurations Environment Spark Properties Master Queue Sizing Tuning Others Kerberos Deploy Kyuubi engines on Yarn ...
  • Arrays

    1118 2024-06-07 《Underscore.js 1.13.6》
    first initial last rest flatten without union intersection difference uniq zip unzip object chunk indexOf lastIndexOf sortedIndex findIndex findLastIndex range ...
  • SQL Functions

    String Functions ASCII CHAR_LENGTH / LENGTH OCTET_LENGTH CONCAT CONCAT_WS HEXTORAW LOWER / LCASE UPPER / UCASE LEFT RIGHT LOCATE / INSTR / POSITION LPAD RPAD LTRIM RT...
  • Config File Encryption And Decryption

    Introduction How to use How to implement user-defined encryption and decryption Introduction In most production environments, sensitive configuration items such as passwords a...
  • Function

    1115 2024-06-02 《Ramda 0.18.0》
    always comparator compose construct curry useWith flip groupBy identity invoker nAry once pipe tap binary unary ap empty of constructN converge curryN __ bin...
  • Apache Iceberg

    Support Iceberg Version Support Those Engines Key features Description Supported DataSource Info Database Dependency Data Type Mapping Source Options Task Example Simple: ...
  • List

    1114 2024-06-05 《Ramda 0.30.1》
    all any append concat drop zipWith zip xprod uniq filter find flatten head indexOf join lastIndexOf map nth pluck prepend range reduce reduceRight reject re...