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Development Tools
MiniAccumuloCluster Iterator Test Harness Framework Use Normal Test Outline Limitations Accumulo has several tools that can help developers test their code. MiniAccumuloClu... -
Glossary
authorizations a set of strings associated with a user or with a particular scan that will be used to determine which key/value pairs are visible to the user. cell a set ... -
12. Standalone node
12.1. Overview 12.2. Configuration 12.2.1. Configuration. Settings mapReduceWorkers executorServiceWorkers redissonNodeInitializer beanFactory 12.2.2. Configuration. YAML con... -
Configuration Files
accumulo.properties accumulo-client.properties accumulo-env.sh Log configuration files log4j2-service.properties log4j2.properties cluster.yaml gc manager monitor tserver ... -
Configure Kyuubi to use Kerberos Authentication
Kerberos Overview Enable Kerberos Authentication Create a Kerberos principal and keytab Enable Hadoop Impersonation # Configure the authentication properties Refresh all th... -
Multi-Volume Installations
This is an advanced configuration setting for very large clusters under a lot of write pressure. The HDFS NameNode holds all of the metadata about the files in HDFS. For fast per... -
PyHive
Requirements Usage DB-API Use PyHive with Pandas Authentication PyHive is a collection of Python DB-API and SQLAlchemy interfaces for Hive. PyHive can connect with the Kyuub... -
TiDB
TiDB Integration Dependencies Configurations TiDB Operations TiDB is an open-source NewSQL database that supports Hybrid Transactional and Analytical Processing (HTAP) workloa... -
Post-commit Callback
HTTP Endpoints Kafka Endpoints Pulsar Endpoints Bring your own implementation Apache Hudi provides the ability to post a callback notification about a write commit. This may b... -
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...
