use hdfs to store pictures for the first time, and use java in the background to display pictures on the page. What are the specific solutions? 1. Tried using webhdfs , but redirected to datanode when accessing namenode , so cancel this scheme...
I just encountered such a problem in learning Hadoop get started -sharp bin hdfs dfs -ls drwxr-xr-x - zhugw supergroup 0 2018-11-17 17:11 output drwxr-xr-x - zhugw supergroup 0 2018-11-17 18:02 pv_users_count -sharp bin hdfs df...
centos version 7.2.1511 when starting hadoop2.8.5, prompt: [root@master sbin]-sharp . start-all.sh This script is Deprecated. Instead use start-dfs.sh and start-yarn.sh Starting namenodes on [master] master: usr bin env: bash: master: usr bin env: ...
problem description hadoop is deployed on the ubuntu server and HDFS and yarn are started an error occurred when the local windows java called the hadoop api copyFromLocalFile file the environmental background of the problems and what methods you h...
first of all, to introduce my situation, I have a physical machine as a master node, which is referred to as master later. There are also two additional servers, later known as node1 and node2. Where the docker node slave1-slave10, is configured on node...
I use a cloud server, the website access speed is very fast, and the ping value is basically below 100ms, which is a machine from Jinan, Shandong Province. but the response time for posting or replying posts is very slow, at least 10s. After clicking on...
such as title: use Shiro to control that you will be blocked when you jump to another page without logging in saveRequestAndRedirectToLogin() . saveRequestAndRedirectToLogin() WebUtils.saveRequest(request); . what s wrong with this? [0 q...
topic description sources of topics and their own ideas related codes Please paste the code text below (do not replace the code with pictures) this.topData = [] data = res.data for (let t = 0; t < data.length - 1; tPP) { data[t].r...
shop on the PC, then add the goods to the shopping cart, ; then the question is: how does this function work? my negative answer: (1) should not directly operate the database, after all, Taobao data is too large, direct operation of the database,...
to hand over the project of a colleague who has left, you now need to change two pictures. it seems that he used the v-ps command in the div tag to directly introduce the picture as the background image, but I looked through other scss css files an...