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Async Queries via Celery
Celery Celery Flower Celery On large analytic databases, it’s common to run queries that execute for minutes or hours. To enable support for long running queries that execute b... -
Kyuubi v.s. Spark Thrift JDBC/ODBC Server (STS)
Introductions Barriers to common Spark job usage High Barrier Insecurity Compatibility Bootstrap latency Limitations of Spark ThriftServer Driver Bottleneck Resource isolati... -
Upgrading Accumulo
Upgrading from 1.10 or 2.0 to 2.1 Create ZooKeeper snapshot (optional - but recommended) Rename master Properties, Config Files, and Script References Pre-Upgrade the property st... -
Advanced Troubleshooting
Tablet server locks HDFS Failures Zookeeper Failures Upgrade Issues File Naming Conventions HDFS Decommissioning Issues Tablet server locks My tablet server lost its lock. ... -
Data Types - An Introduction to agtype
Simple Data Types Null Agtype NULL vs Postgres NULL Integer Float Numeric Bool String Composite Data Types List Lists in general NULL in a List Access Individual Elements... -
Java API
Tables Table metadata Scanning File level Transactions Types Primitives Nested types Expressions Expression binding Expression example Modules Tables The main purpose... -
AWS Datasync
DataSync 节点 综述 创建任务 任务样例 独有参数 环境配置 DataSync 节点 综述 AWS DataSync 是一种在线数据传输服务，可简化、自动化和加速本地存储系统和 AWS Storage 服务之间，以及不同 AWS Storage 服务之间的数据移动。 DataSync 支持的组件: Network File ... -
Java Quickstart
Create a table Using a Hive catalog Using a Hadoop catalog Branching and Tagging Creating branches and tags Committing to branches Reading from branches and tags Replacing an... -
Caching
Dependencies Fallback Metastore Cache Chart Cache Timeout SQL Lab Query Results Caching Thumbnails Superset uses Flask-Caching for caching purposes. Flask-Caching supports v... -
Deployment
System requirements Download the distribution Source code compilation Configuration Configure the service address Configure system database Configure high availability Config...