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4.13 Convert models to equations
References The equatiomatic package (Anderson, Heiss, and Sumners 2024 ) (https://github.com/datalorax/equatiomatic ) developed by Daniel Anderson et al. provides a convenient a... -
Object States
Detecting Object State Persisting an object Updating an object Deleting an object Possible state transitions JDO manages the lifecycle of an object, from creation (Transient ... -
Client Properties (2.x)
Below are properties set in accumulo-client.properties that configure Accumulo clients . All properties have been part of the API since 2.0.0 (unless otherwise specified): Pr... -
Kudu
Support Kudu Version Support Those Engines Key Features Data Type Mapping Sink Options Task Example Simple: Multiple Table Changelog 2.2.0-beta 2022-09-26 2.3.0-beta 2022-... -
Performance
Read performance Write performance Accumulo can be tuned to improve read and write performance. Read performance Enable caching on tables to reduce reads to disk. Enable b... -
orm DTD/XSD
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... -
Check DNS and NSCD
All hosts in your system must be configured for both forward and and reverse DNS. If you are unable to configure DNS in this way, you should edit the /etc/hosts file on every hos... -
Switching to an Oracle Database After Installation
About This Task Prerequisites Steps About This Task If you want to use an Oracle database with SAM or Schema Registry after you have performed your initial HDF installation or... -
JDO v JPA : ORM
Relationships There are 2 prevalent specification in the Java ORM world. JDO provides the most complete definition, whilst JPA is the most recent. Relationships In this guide w... -
Installing MySQL
About This Task Before You Begin Steps About This Task You can install MySQL 5.5 or later. Before You Begin On the Ambari host, install the JDBC driver for MySQL, and then...