recently, Ambari Metrics Collector has been configured with distributed data storage. The changed configuration is as follows: hbase.cluster.distributed=true Metrics Service operation mode = distributed HDFSams${name}HDFS hbase.rootdir=hdfs: ${name...
install the Ambari2.6.2 version, the HDP2.6.4 version, which comes with hbase version 1.2. Now if I want to install the hbase2.0 version, all I can think of is to customize a service, and put the 2.0 version hbase; in the custom service. But I think the ...
refer to the Hortonworks official website to install Ambari as follows: wget -nv http: public-repo-1.hortonworks.com ambari centos7 2.x updates 2.6.1.5 ambari.repo -O etc yum.repos.d ambari.repo yum install ambari-server ambari-server setup but cann...
Why is there a blank at the bottom of the table exported by PHPexecl? public function export_order_bill() { $objPHPExcel = new PHPExcel(); Set the excel property $objPHPExcel->getProperties()->setCreat...
found a JS scheme that uses canvas to generate thumbnails on the Internet, which can generate thumbnails, but in some cases, the generated thumbnails are black and you can t see what the original thumbnails look like. Because the previous paragraph is ...
after looking at the materials on the Internet, it is generally said that it is necessary to build a new branch when PR. Here I have two questions. 1. Why do you want to create a new branch PR?? Can t I just change it on master and then push and then ...
typescript function (config:SquareConfig): what is the meaning in the curly braces after {color:string, area: number}? Isn t the config attribute specified by the interface SquareConfig? What is the function of {color:string, area: number} interface...
problem description I have a pop-up component, and I define a global variable isBgWindow in app.js to control whether it is displayed or not. But when I successfully change the isBgWindow, pop-up window component through the wx.requst request, it is n...