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TPC-H
TPC-H Integration Dependencies Configurations TPC-H Operations The TPC-H is a decision support benchmark. It consists of a suite of business oriented ad-hoc queries and concur... -
1.3 Install missing LaTeX packages
When you compile a document to PDF through LaTeX, you may run into errors like these: !LaTeXError:File‘ocgbase.sty′notfound.!pdfTeXerror:pdflatex(file8r.enc):cannotopenencodingfi... -
Array
.chunk(array, [size=1]) Arguments Returns Example .compact(array) Arguments Returns Example .difference(array, [values]) Arguments Returns Example .drop(array, [n=1]) A... -
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... -
Hudi
Hudi Integration Configurations Hudi Operations Apache Hudi (pronounced “hoodie”) is the next generation streaming data lake platform. Apache Hudi brings core warehouse and dat... -
8.2 The two-way workflow between R Markdown and Word
While it is easy to generate a Word document from R Markdown, things can be particularly painful when someone else edits the Word document and you have to manually port the change... -
Configuring Ambari to use RedHat Satellite or Spacewalk
Table 6.1. Example Channel Names for Hortonworks Repositories Next Step The Ambari Server uses Version Definition Files (VDF) to understand which product and component versions ... -
第三章：线程的基本操作
学习目标 1. 线程启动(start)、休眠(sleep)、中断(interrupt) 1.1 线程启动(start) 1.2 线程休眠(sleep) 1.3 线程中断(interrupt) 2. 线程Join操作及其应用场景 2.1 Join操作的典型应用场景 3. 线程优先级的设置与影响 4. 守护线程(Daemon Thread)的应用... -
Upgrade
We recommend that you back up database and configuration files before upgrading. Generally, we guarantee that the upgrade does not affect the existing data. To back up data mean... -
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...
