-
Function
always comparator compose construct curry useWith flip groupBy identity invoker nAry once pipe tap binary unary always a → (* → a) Parameters valThe value to... -
项目列表
项目首页 点击”项目管理”进入项目管理页面，点击“创建项目”按钮，输入项目名称，项目描述，点击“提交”，创建新的项目。 项目首页 在项目管理页面点击项目名称链接，进入项目首页，如下图所示，项目首页包含该项目的任务实例状态统计、工作流实例状态统计、工作流定义统计。这几个指标的说明如下 任务实例状态统计 ：在指定时间范围内，统计任务实例中状态为提... -
Function
always comparator compose construct curry useWith flip groupBy identity invoker nAry once pipe tap always a → (* → a) Parameters valThe value to wrap in a func... -
Util
_.attempt(func, [args]) Since Arguments Returns Example _.bindAll(object, methodNames) Since Arguments Returns Example _.cond(pairs) Since Arguments Returns Example... -
Prepare the Environment
To deploy your Hortonworks stack using Ambari, you need to prepare your deployment environment: Set Up Password-less SSH Set Up Service User Accounts Enable NTP on the Cluster... -
Utility
_.attempt(func) Arguments Returns Example .callback([func=.identity], [thisArg]) Aliases Arguments Returns Example _.constant(value) Arguments Returns Example _.identi... -
Function
always comparator compose construct curry useWith flip groupBy identity invoker nAry once pipe tap always a → (* → a) Parameters valThe value to wrap in a func... -
Rollback Mechanism
Handling partially failed commits Rolling back partially failed commits for a single writer Rolling back of partially failed commits w/ multi-writers Heartbeats Related Resourc... -
HdfsFile
Support Those Engines Key Features Description Supported DataSource Info Sink Options Tips Task Example Simple: For orc file format simple config For text file format with ... -
Queries
Querying with SQL Querying with DataFrames Catalogs with DataFrameReader Time travel SQL DataFrame Incremental read Inspecting tables History Metadata Log Entries Snapshot...