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SNMP
switch_legacy snmp 监控网络设备，主要是通过 SNMP 协议，Categraf、Telegraf、Datadog-Agent、snmp_exporter 都提供了这个能力。 switch_legacy Categraf 提供了一个网络设备的采集插件：switch_legacy，在 conf/input.switch_legacy ... -
Telegraf
Telegraf 是 InfluxData 公司开源的一款采集器，内置非常多的采集插件，不过 Telegraf 是面向 InfluxDB 生态的，采集的监控数据推给 InfluxDB 非常合适，推给 Prometheus、Victoriametrics、Thanos 这些时序库，可能会带来问题。主要是两点： 有些数据是 string 类型的，Prome... -
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... -
元数据文档
DolphinScheduler 元数据文档 表Schema E-R图 用户 队列 数据源 项目 资源 告警 项目 - 租户 - 工作流定义 - 定时 工作流定义和执行 DolphinScheduler 元数据文档 表Schema 详见dolphinscheduler/dolphinscheduler-dao/sr... -
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... -
元数据文档
表概览 用户 队列 数据源 项目 资源 告警 命令 流程 任务 核心表Schema t_ds_process_definition t_ds_process_instance t_ds_task_instance t_ds_schedules t_ds_command 表概览 表名 表信息 t_ds_access_t... -
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... -
AWS
Enabling AWS Integration Spark Flink HTTP Client Configurations URL Connection HTTP Client Configurations Apache HTTP Client Configurations Run Iceberg on AWS Amazon Athena ... -
Nessie
Enabling Nessie Catalog Spark SQL Extensions Nessie Catalog Nessie and Iceberg Loosely coupled transactions Experimentation Further use cases Example Future Improvements ... -
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...