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1. Kubernetes Tools Spark Block Cleaner
Kubernetes Tools Spark Block Cleaner Requirements Scenes Principle Usage Build Block Cleaner Docker Image Modify spark-block-cleaner.yml Start daemonSet Related parameters ... -
Using Logstore
Real-Time data in LogStore Overview Prerequisites for using LogStore Double write LogStore and FileStore Due to the limitations of traditional offline data warehouse architect... -
Function
always comparator compose construct curry useWith flip groupBy identity invoker nAry once pipe tap binary unary ap empty of constructN converge curryN __ bin... -
Queries
Querying with SQL Querying with DataFrames Catalogs with DataFrameReader Time travel SQL DataFrame Incremental read Inspecting tables History Metadata Log Entries Snapshot... -
BigLake Metastore
Pre-requisites Steps Create BigLake Catalog Create BigLake Database Running sync Validating the results Conclusion This document walks through the steps to register a OneTa... -
Evolution
Schema evolution Correctness Partition evolution Sort order evolution Iceberg supports in-place table evolution . You can evolve a table schema just like SQL — even in nested... -
数据推送
OpenTSDB 协议 RemoteWrite 协议 推给客户端 在 采集器 章节可以看出，夜莺支持多种数据接收的接口（由 n9e-server 实现，推送数据就是推给 n9e-server 的 19000 端口），包括 OpenTSDB、Open-Falcon、RemoteWrite、Datadog 等协议。这节我们以 OpenTSDB 的数据接... -
PersistenceManager
Persist Objects Retrieve Objects Update Objects Delete Objects Making an object transient Any JDO-enabled application will require at least one PersistenceManager (PM). This ... -
1. Authentication
Kyuubi Authentication Mechanism Using KERBEROS Kyuubi Authentication Mechanism In a secure cluster, services should be able to identify and authenticate callers. As the ... -
自监控
夜莺 5.x 版本有 n9e-webapi 和 n9e-server 两个模块，这俩模块都暴露了 /metrics 接口，所以，夜莺自身组件的监控，就有两个做法，做法一： 搞一个单独的 Prometheus，抓取 n9e-webapi 和 n9e-server 的 /metrics 的数据 在这个单独的 Prometheus 里配置 up 指标的告...
