cloudera competitors

http://blog.csdn.net/wulantian/article/details/42706777CDH5. x Full Uninstall Step # by coco# 2015-01-141. Close all services in the cluster.This can be done by Clouder Manger home page to close the cluster.2. Uninstall [[email protected] ~]#/usr/share/cmf/uninstall-cloudera-manager.sh Note: If uninstall-cloudera-manager.sh is not installed in the cluster, uninstall it using the following command: a, sto

Recent projects need to use Oozie Workflow scheduling hivesql, found unable to execute query statements, see: https://community.cloudera.com/t5/Batch-Processing-and-Workflow/ oozie-hive-action-failed-with-wrong-tmp-path/td-p/37443 this, the culprit is CDH bug, need to upgrade the version.Upgrade steps:1. Querying a service on a single nodeService--status-allFound only cloudera-scm-agent, no cloudera-scm-ser

1, it is in the installation of CDH can not be installed successfully, only restart, the following to share an artifact, according to this script should be almost able to uninstall clean, and then reinstall, write a script, the content is as follows, life-saving artifact:#!/bin/Bashsudo/usr/share/cmf/uninstall-cloudera-Manager.shsudo Service Cloudera-scm-Server Stopsudo Service

Impala online documentation describes Impala ODBC interface installation and configuration http://www.cloudera.com/content/cloudera-content/cloudera-docs/CDH5/latest/Impala/ Installing-and-using-impala/ciiu_impala_odbc.html Impala ODBC Driver: http://www.cloudera.com/content/support/en/downloads/connectors.html This paper explains the installation and use of Impala ODBC in centos-6.5-x86_64 environment. F

Install cloudera-managerin go.cloudera.comcloudera-standard-download.html download the cloudera-manager-installer.bin after downloading it to set the Execute Permission chmod + x. cloudera-manager-installer.bin to run with root permission, sudo ?. Cloudera-manager-installer.bin step by step Install

1, the deployment of basic information Description: 1.1, host information operating system: Select CentOS6.7 x86-64 version mem:64gb,cpu:e5-2630 v3 @ 2.40GHz, disk:2tb*4 (data node storage, except the operating system) host information: Host name IPdcnn1 10.20.20.1dcnn2 10.20.20.2dcdn01 10.20.20.3dcdn02 10.20.20.4dcdn03 10 .20.20.51.2, CDH version information clouderamanager:cm5.7.2cdh:cdh5.7.2 version2. Deployment Step 2.1 Download the installation package CM parcel Offline installation package

Upgrade CDH5.2.0 to CDH5.3.3 and cdh5.2.0cdh5.3.3 The company has a Spark on Yarn cluster, which is built based on CM5.2.0 + CDH5.2.0 and the Spark version is 1.1.0. To use some features of Spark1.2.0, we decided to upgrade the cluster version to CM5.3.3 + CDH5.3.3. The reason for CM upgrade is that the version number of CM must be greater than or equal to the version number of CDH. The following two steps describe the upgrade process: CM upgrade and CDH upgrade. 1 CM upgrade process Introductio

First, IntroductionCDH is a commercial product developed by Cloudera Corporation to rapidly deploy and efficiently manage Hadoop and its various components. It is mainly divided into two parts, Cloudera Manager and CDH package respectively. Where Cloudera Manager is responsible for the deployment and management of the cluster. The CDH package includes installatio

Error 1, time cannot be synchronized2014.12.18To do the synchronization time, perform the command operation:[Email protected] ~]#/usr/sbin/ntpdate pool.ntp.orgWill error:Name server cannot be used, Exiting18 Dec 19:39:39 ntpdate[3592]: Name server cannot is used, reason:temporary failure in Name resolution1, first confirm that the NTPD service is open.[[email protected] ~]#/etc/init.d/ntpd startStarting ntpd: [OK]2, check whether your DNS is added, if not added, you use the add up.To edit a file

The company has a spark on yarn cluster, built based on cm5.2.0+cdh5.2.0, and the version of Spark is 1.1.0. To use some of the features of Spark1.2.0, decide to upgrade the cluster version to cm5.3.3+cdh5.3.3. CM is upgraded because the version number of CM must be greater than or equal to the version number of CDH. The following two steps describe the upgrade process: CM Upgrade and CDH upgrade.1 cm Upgrade Process Introduction 1.1 Admin User Login Http://10.10.244.137:7180/cmf/home, turn off

Big Data We all know about Hadoop, but there's a whole range of technologies coming into our sights: Spark,storm,impala, let's just not come back. To be able to better architect big data projects, here to organize, for technicians, project managers, architects to choose the right technology, understand the relationship between the various technologies of big data, choose the right language. We can read this article with the following questions:What technology is included in the 1.hadoop.2.

Impala online documentation describes Impala ODBC interface installation and configurationhttp://www.cloudera.com/content/cloudera-content/cloudera-docs/CDH5/latest/Impala/ Installing-and-using-impala/ciiu_impala_odbc.htmlImpala ODBC Driver:http://www.cloudera.com/content/support/en/downloads/connectors.htmlThis article explains in detail the installation and use of Impala ODBC in the CENTOS-6.5-X86_64 envi

capabilities. This comment is attributed to Microsoft's recent investment in its data platform, including AzureDocumentDB, a cloud-based NoSQL-hosted database. In addition, the hybrid functionality that SQL Server can run in both the internal environment and the cloud also helped Microsoft to become the first. Gartner also highlighted Microsoft's vision of implementing memory computing for all its products, the implementation of hybrid cloud, and the "cloud-first" strategy, so it was listed abo

Uninstall the CDH script and cdh script Uninstall the CDH script and share it with you ~ #! /Bin/bashFor u in cloudera-scm flume hadoop hdfs hbase hive httpfs hue impala llama mapred oozie solr spark sqoop sqoop2 yarn zookeeper; doPid = 'ps-u hdfs-o pid ='Sudo kill-9 $ pidDoneSudo rm-Rf/usr/share/cmf/var/lib/cloudera */var/cache/yum/cloudera */var/log/

restart to take effect)Selinux=disabled5. Install NTP serviceSu RootYum Install-y NTPYum Install-y ntpdateVi/etc/ntp.confMain changes restrict and NTP server specific BaiduSystemctl Start NTPDSystemctl Enable NTPDNtpdate-u pool.ntp.orgNtpdate-u h1046. Install MySQLRPM-IVH mysql-community-release-el7-5.noarch.rpmYum Install Mysql-serverSystemctl Start Mysqld.serviceSystemctl Enable Mysqld.serviceMysql-u RootUse MySQL;Update user set Password=password (' 123456 ') where user= ' root ';Grant all o

cm UpgradeOperation Dimension: Root Unified password do not mistakenly delete cluster backup file login Cmserver installed host, execute command: cat/etc/cloudera-scm-server/db.properties login PostgreSQL database psql-u scm-p 7 432 input Password: Back up cm Data: pg_dump-h cdhmaster-p 7432-u SCM >/tmp/scm_server_db_backup.$ (date +%y%m%d) Check/tmp for file generation, period guarantee TM P under file should not be deleted. Stop it Impala Hue Hive S

How to view the JVM configuration and generational memory usage of a running spark process is a common monitoring tool for online running jobs:1, through the PS command query PIDPs-ef | grep 5661You can position the PID according to the special characters in the command2. Query the JVM parameter settings of the process using the Jinfo commandJinfo 105007Detailed JVM configuration information can be obtained.Attaching to process ID 105007, please wait ... Debugger attached successfully. Server c

the manageability of products at the enterprise user level while adding low latency in-memory functionality, and recently, Cassandra has integrated with Apache spark on demand. Both Couchbase and HBase are the main competitors of Cassandra, the latter running in a Hadoop environment and widely seen as one of the most critical potential threats. 　　Official website:http://www.datastax.com/ 　　Clustrix promises to bring web size to SQL 　　DBMS Type: New

I. Introduction to the Hadoop releaseThere are many Hadoop distributions available, with Intel distributions, Huawei Distributions, Cloudera Distributions (CDH), hortonworks versions, and so on, all of which are based on Apache Hadoop, and there are so many versions is due to Apache Hadoop's Open source agreement: Anyone can modify it and publish/sell it as an open source or commercial product.Currently, there are three main versions of Hadoop that ar

Deploy Hbase in the Hadoop cluster and enable kerberos System: LXC-CentOS6.3 x86_64 Hadoop version: cdh5.0.1 (manmual installation, cloudera-manager not installed) Existing Cluster Environment: node * 6; jdk1.7.0 _ 55; zookeeper and hdfs (HA) installed), yarn, historyserver, and httpfs, and kerberos is enabled (kdc is deployed on a node in the cluster ). Package to be installed: All nodes> yum install hbase master node> yum install hbase-master hbase-