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Install Postgres
Before You Begin Steps Before You Begin If you have already installed a MySQL database, you may skip these steps. You must install Postgres 9.5 or later for SAM and Schema R... -
5.3 Control the width of text output
Sometimes the text output printed from R code may be too wide. If the output document has a fixed page width (e.g., PDF documents), the text output may exceed the page margins. Se... -
安装、启动和测试
下一步 安装进度显示在屏幕上。 Ambari 安装、启动并对每个组件运行简单的测试。进程的总体状态显示在屏幕顶部的进度栏中，逐个主机的状态显示在主要部分中。在此过程中请勿刷新浏览器。刷新浏览器可能会中断进度指示器。 要查看有关每个主机已完成哪些任务的具体信息，请单击相应主机的 Message 列中的链接。在 Tasks 弹出窗口中，单击单个任务以查... -
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... -
Collect Information
Before deploying a cluster, you should collect the following information: The fully qualified domain name (FQDN) of each host in your system. The Ambari Cluster Install wizard s... -
4.12 Preserve a large number of line breaks
References Markdown users may be surprised to realize that whitespaces (including line breaks) are usually meaningless unless they are used in a verbatim environment (code blocks... -
Function
always comparator compose construct curry useWith flip groupBy identity invoker nAry once pipe tap binary unary always a → (* → a) Parameters valThe value to... -
Batch Reads
Spark DataSource API Daft Spark DataSource API The hudi-spark module offers the DataSource API to read a Hudi table into a Spark DataFrame. A time-travel query example: val ... -
升级
我们建议在升级之前备份数据库和配置文件。通常情况下，我们保证升级不会影响现有数据。 备份数据意味着即使升级失败或者你不想使用高级版本，你也有回滚的选择。 Docker Compose 如果你使用 Docker Compose 安装 Answer，升级非常简单。 docker - compose pull docker - compose ... -
SLES 12
Steps Next Step More Information On a server host that has Internet access, use a command line editor to perform the following Steps Install the Ambari bits. This also insta...