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Authentication
Configuration Root user Creating users Authenticating users Changing user passwords Removing users Accumulo has authentication to verify the identity of users. Configurati... -
Permissions
Configuration Granting permission View permissions Revoking permissions Accumulo users can only perform actions if they are given permission. Accumulo has three types of perm... -
4.14 Create an animation from multiple R plots
References When you generate a series of plots in a code chunk, you can combine them into an animation. It is easy to do so if the output format is HTML—you only need to install ... -
Security Overview
Security Overview Implementation Security Overview Accumulo has the following security features: Only authenticated users can access Accumulo. Kerberos can be enabled to re... -
Performance
Scan planning Metadata filtering Data filtering Iceberg is designed for huge tables and is used in production where a single table can contain tens of petabytes of data. Even ... -
9.3 Embed a web page
References If you have the webshot package (Chang 2023 ) and PhantomJS installed (see Section 9.2 ), you can embed any web page in the output document through knitr::include_url... -
Exporter
Introduction Arguments Examples Copy a Hudi dataset Export to json or parquet dataset Re-partitioning Custom Re-partitioning Introduction HoodieSnapshotExporter allows you... -
Flink Writes
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... -
Bytecode Enhancement
JDO defines a byte-code enhancement process that provides for dirty detection of fields. Before a class is used at runtime it is compiled and then “enhanced” to implement the inte... -
第一章：多线程入门
学习目标 1. 什么是线程与多线程 1.1 线程的概念 1.2 多线程的概念 2. 为什么需要多线程编程 2.1 提高CPU利用率 2.2 提高程序响应性 2.3 更好的资源利用 2.4 简化复杂问题的处理 3. Java中实现多线程的两种基本方式 3.1 继承Thread类 3.2 实现Runnable接口 3.3 两种方式的比较 ...
