hortonworks ambari

also provides operational capabilities necessary to run Hadoop in an enterprise production environment in the Commercial Components section, which is not covered by the open source community, such as non-downtime rolling upgrades, asynchronous disaster preparedness, and so on.　　　　Hortonworks uses the 100% fully open source strategy, with the product name HDP (Hortonworks Data Platform). All software produc

When using hadoop for big data analysis and processing, you must first make sure that you configure, deploy, and manage clusters. This is neither easy nor fun, but is loved by developers. This article provides five tools to help you achieve this. Apache ambari Apache ambari is an open-source project for hadoop monitoring, management, and lifecycle management. It is also a project that selects management for

installation and deployment notes-HBase full distribution mode installation Detailed tutorial on creating HBase environment for standalone Edition Reference documentation (hortonworks will be short for hdp; cloudera is cdh ): 1. Create a system template. Because I found the centos6.5 template in openvz, we tried to keep it consistent with production in the test environment, so we should use CentOS6.3, note automatically according to the official docu

sudo apt-get install Openssh-server 2) Generate RSA key Ssh-keygen-t Rsa-p ' Cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys 3) change root, ssh, and file permissions chmod o+w ~/ chmod 700-r ~/.ssh chmod ~/.ssh/authorized_keys chmod 755/root 4) Change Sshd_config Vi/etc/ssh/sshd_config Change the Permitrootlogin Prohibit-password in the/etc/ssh/sshd_config file to Permitrootlogin Yes (or remove the Permitrootlogin Prohibit-password can also be, for security can be backed up, comment out can be

| grep ssh sudo apt-get install Openssh-server 2) Generate RSA key Ssh-keygen-t Rsa-p ' Cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys 3) change root, ssh, and file permissions chmod o+w ~/ chmod 700-r ~/.ssh chmod ~/.ssh/authorized_keys chmod 755/root 4) Change Sshd_config Vi/etc/ssh/sshd_config Change Permitrootlogin Prohibit-password in the/etc/ssh/sshd_config file to permitrootlogin Yes (or delete permitrootlogin Prohibit-password can also, for security can be backed up, commented out can

Problem: In the 1.2.0 of Hadoop, because a single disk failure causes the Datanode node to fail, most of the datanode nodes in the production environment have more than one disk, and we now need a way for datanode to fail the entire node with a failure to block the disk. Solution and applicable scenario: 1, modify the Hadoop source code (in addition to the author's ability) 2, modify the value of the Dfs.data.dir in the Hdfs-site.xml, remove the mount point of the failed disk and restart (re

0. upgrade MySQL to 5.61, stop the service.Stop Ambari-server, all ambari-agentAmbari-server Stop Ambari-agent Stop2, Backup Ambari database.Mkdir-p/root/tmp/ambariupgrateMysqlhotcopy--user=ambari--password=gotop123 ambari/root/tm

Recently work needs, to see hdinsight part, here to take notes. Nature is the most authoritative official information, so the contents are moved from here: https://azure.microsoft.com/en-us/documentation/articles/hdinsight-hadoop-introduction/Hadoop on HDInsightMake big data, all know Hadoop, then hdinsight and hadoop what relationship? Hdinsight is a m$ Azure-based software architecture, mainly for data analysis, management, and it uses HDP (Hortonworks