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健康检查
健康检查 背景 Endpoint API-Server Master-Server Worker-Server Alert-Server 健康检查 背景 运行状况检查旨在提供一种独特的方法来检查 Dolphinscheduler 服务的运行状况。它包括模块的运行状况，例如 DB、缓存、网络等等。 Endpoint API-Serve... -
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Spark DDL
CREATE TABLE PRIMARY KEY PARTITIONED BY CREATE TABLE … AS SELECT CREATE TABLE … LIKE REPLACE TABLE … AS SELECT DROP TABLE TRUNCATE TABLE ALTER TABLE ALTER TABLE … SET TBLPR... -
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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... -
Comparability, Equality, Orderability and Equivalence
Concepts Comparability Equality Orderability Equivalence Comparability and equality Comparability Orderability Between different Agtypes AGE already has good semantics for... -
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clone values eqProps keys omit pick pickAll project prop props keysIn path valuesIn toPairs toPairsIn propOr has hasIn assoc assocPath lens pickBy evolve inv... -
Object
clone values eqProps keys omit pick pickAll project prop props keysIn path valuesIn toPairs toPairsIn propOr has hasIn assoc assocPath lens pickBy evolve inv... -
Object
clone values eqProps keys omit pick pickAll project prop props keysIn path valuesIn toPairs toPairsIn propOr has hasIn assoc assocPath lens pickBy evolve inv... -
数据读取
夜莺把接收到的监控数据都直接写入了后端时序数据库，所以，读取监控数据，无需经由夜莺的接口，直接读取后端的时序库的接口就可以了。即：如果使用了 Prometheus，就通过 Prometheus 的接口读取监控数据，如果用了 VictoriaMetrics，就通过 VictoriaMetrics 的接口读取监控数据。 比如 Prometheus，就是那些/...