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Apache Spark
To read a OneTable synced target table (regardless of the table format) in Apache Spark locally or on services like Amazon EMR, Google Cloud’s Dataproc, Azure HDInsight, or Databr... -
Hive CLI
Hive CLI 综述 Hive CLI任务 VS 连接Hive数据源的SQL任务 创建任务 任务参数 任务样例 Hive CLI任务样例 Hive CLI 综述 使用Hive Cli任务插件 创建Hive Cli 类型的任务执行SQL脚本语句或者SQL任务文件。 执行任务的worker会通过hive -e 命令执行hive SQL脚本语... -
Caching
Configuration Accumulo tablet servers have block caches that buffer data in memory to limit reads from disk. This caching has the following benefits: reduces latency when rea... -
Ubuntu 18
Steps Next Step More Information On a server host that has Internet access, use a command line editor to perform the following: Steps Log in to your host as root . Download... -
Configuring MySQL for Ranger
Prerequisites Steps RHEL/CentOS/Oracle/Aamazon Linux SLES Prerequisites When using MySQL, the storage engine used for the Ranger admin policy store tables MUST support trans... -
Aggregation Functions
Data Setup min Using min() with Lists max stDev stDevP percentileCont percentileDisc count Using count(expression) to return the number of values Counting non-null value... -
TPC-H
TPC-H Integration Dependencies Configurations TPC-H Operations The TPC-H is a decision support benchmark. It consists of a suite of business oriented ad-hoc queries and concur... -
Array
.chunk(array, [size=1]) Arguments Returns Example .compact(array) Arguments Returns Example .difference(array, [values]) Arguments Returns Example .drop(array, [n=1]) A... -
Persistiq
Description Key features Options url [String] password [String] method [String] params [Map] body [String] poll_interval_millis [int] retry [int] retry_backoff_multiplier_... -
Kyuubi Migration Guide
Upgrading from Kyuubi 1.8 to 1.9 Upgrading from Kyuubi 1.8.0 to 1.8.1 Upgrading from Kyuubi 1.7 to 1.8 Upgrading from Kyuubi 1.7.1 to 1.7.2 Upgrading from Kyuubi 1.7.0 to 1.7.1...
