hadoop cluster capacity planning

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Introduction to the capacity scheduler of hadoop 0.23 (hadoop mapreduce next generation-capacity schedity)

Original article: http://hadoop.apache.org/common/docs/r0.23.0/hadoop-yarn/hadoop-yarn-site/CapacityScheduler.html This document describes capacityscheduler, a pluggable hadoop scheduler that allows multiple users to securely share a large cluster, their applications can obtain the required resources within the

(go) Prepare for the first deployment of MongoDB: capacity Planning and monitoring

limitations of a single server without increasing the complexity of the application, and the hardware limitations addressed include the bottleneck of RAM and disk I/O. MongoDB Auto-sharding and application transparency It is very easy to implement sharding before system resources become limited, so capacity planning and proactive monitoring are important elements when you need to successfully scale your a

Practice 1: Install hadoop in a single-node instance cdh4 cluster of pseudo-distributed hadoop

Hadoop consists of two parts: Distributed File System (HDFS) Distributed Computing framework mapreduce The Distributed File System (HDFS) is mainly used for the Distributed Storage of large-scale data, while mapreduce is built on the Distributed File System to perform distributed computing on the data stored in the distributed file system. Describes the functions of nodes in detail. Namenode: 1. There is only one namenode in the

MongoDB capacity Planning and hardware configuration

MONGO is a memory-based database that should try to load all the data in the working set into memory, that is, the memory should be larger than the working setThis article is translated from Chad Tindel's English blog: http://www.mongodb.com/blog/post/capacity-planning-and-hardware-provisioning-mongodb-ten-minutes.Most MONGODB deployments run in clusters of multiple servers, which increases the complexity o

Hadoop server cluster HDFS installation and configuration detailed

:~$ echo "Hello" > Hello.txthwl@hadoop-master:~$ sudo-u HDFs Hadoop fs-mkdir/hwl14/05/11 19:31:52 INFO Security. Usergroupinformation:jaas Configuration already set up to Hadoop, not re-installing.hwl@hadoop-master:~$ sudo-u HDFs Hadoop fs-copyfromlocal HELLO.TXT/HWL14/05/11

Hadoop capacity schedity configuration usage record

Author: those things |ArticleCan be reproduced. Please mark the original source and author information in the form of a hyperlink Web: http://www.cnblogs.com/panfeng412/archive/2013/03/22/hadoop-capacity-scheduler-configuration.html Refer to capacity scheduler guide and summarize the configuration parameters of capacity

The big data cluster environment ambari supports cluster management and monitoring, and provides hadoop + hbase + zookeepe

administrator needs to pay attention (such as node downtime or insufficient disk space), the system will send an email to it.In addition, Ambari can install a secure (Kerberos-based) Hadoop cluster to support Hadoop security and provide role-based user authentication, authorization, and audit functions, LDAP and Active Directory are integrated for user managemen

Cluster Server optimization (Hadoop)

task to its own blacklist. If a TaskTracker is blacklisted by a certain number of jobs, JobTracker adds the TaskTracker to the system blacklist. After that, JobTracker no longer assigns new tasks to it, until there are no failed tasks in a certain period of time.When a Hadoop cluster is small, if a certain number of nodes are frequently added to the system blacklist, the

Hadoop 2.5.1 Cluster installation configuration

The installation of this article only covers Hadoop-common, Hadoop-hdfs, Hadoop-mapreduce, and Hadoop-yarn, and does not include hbase, Hive, and pig.http://blog.csdn.net/aquester/article/details/246210051. planning 1.1. list of machines NameNode Second

Use yum source to install the CDH Hadoop Cluster

Use yum source to install the CDH Hadoop Cluster This document mainly records the process of using yum to install the CDH Hadoop cluster, including HDFS, Yarn, Hive, and HBase.This article uses the CDH5.4 version for installation, so the process below is for the CDH5.4 version.0. Environment Description System Environm

Hadoop cluster installation-CDH5 (three server clusters)

Hadoop cluster installation-CDH5 (three server clusters) Hadoop cluster installation-CDH5 (three server clusters) CDH5 package download: http://archive.cloudera.com/cdh5/ Host planning: IP Host Deployment module Process

Select the right hardware for your Hadoop Cluster

databases, and data movement, as the number of data and number of users increase, the requirements for infrastructure have also changed. The website server now has a cache layer. The database requires local hard disks to support large-scale parallel operations. The data migration volume also exceeds the number of local processors.Most teams have not yet figured out the actual workload requirements and started to build their Hadoop clusters. Hardware

Mesos cluster installation Deployment planning, preparation (1)

A: IntroductionMesos, a research project that was born in UC Berkeley, has now become a project in Apache incubator. Mesos COMPUTE Framework A cluster manager that provides efficient, resource isolation and sharing across distributed applications or frameworks that can run Hadoop, MPI, hypertable, and Spark. Use zookeeper for fault-tolerant replication, use Linux containers to isolate tasks, and support mul

Build a 5-node Hadoop cluster environment (CDH5)

Remote connection Xshell Hadoop ecosystem Hadoop-2.6.0-cdh5.4.5.tar.gzHbase-1.0.0-cdh5.4.4.tar.gzHive-1.1.0-cdh5.4.5.tar.gzFlume-ng-1.5.0-cdh5.4.5.tar.gzSqoop-1.4.5-cdh5.4.5.tar.gzZookeeper-3.4.5-cdh5.4.5.tar.gz This article is to build CDH5 cluster environment, the above software can be downloaded from this website thi

Trouble analysis and automatic repair of Hadoop cluster hard disk

Zhang, HaohaoSummary:Hard drives play a vital role in the server because the data is stored in the hard disk, and as the manufacturing technology improves, the type of the hard disk is changing gradually. The management of the hard disk is the responsibility of the IaaS department, but it also needs to know the relevant technology as a business operation.Some companies use LVM to manage the hard drive, this is easy to expand the capacity, but also som

The construction of Hadoop distributed cluster

Hadoop2.0 has released a stable version, adding a lot of features, such as HDFs HA, yarn, and so on. The newest hadoop-2.4.1 also adds yarn HA Note: The hadoop-2.4.1 installation package provided by Apache is compiled on a 32-bit operating system because Hadoop relies on some C + + local libraries, so if you install hadoop

centOS7.0 configuration Hadoop cluster, Slave1 error: Failed on socket timeout exception:java.net.NoRouteToHostException

 Hadoop version: 2.5.0 When you configure the Hadoop cluster, on master, when you start the./start-all.sh under Directory/usr/hadoop/sbin/, on the master host [Hadoop@master sbin]$./start-all.shThis script is deprecated. Instead Use start-dfs.sh and start-yarn.shStarting

Hadoop Cluster CDH System setup (i.)

First of all, to ask, what is CDH?To install a Hadoop cluster that deploys 100 or even 1000 servers, package I including hive,hbase,flume ... Components, a day to build the complete, there is to consider the system after the update asked questions, then need to CDH Advantages of the CDH version:Clear Version DivisionFaster version updateSupport for Kerberos security authenticationDocument Clarity (Official

Hadoop-2.6 cluster Installation

Hadoop-2.6 cluster Installation Basic Environment Sshd Configuration Directory:/root/. ssh The configuration involves four shells. 1.Operation per machine Ssh-keygen-t rsa Generate an ssh key. The generated file is as follows: Id_rsa Id_rsa.pub . Pub is the public key, and No. pub is the private key. 2.Operation per machine Cp id_rsa.pub authorized_keys Authorized_keys Error 3.Copy and distrib

Hadoop cluster space usage report script

60# Cat $ report | mail-s "Normal: $ title" $ user# Cat $ report |/usr/bin/mutt-s "Normal: $ title" $ userFi# Cat $ report | mail-s $ today DfsReport: dfs_used $ {dfs_used_percent} 362560701@qq.com Crontab execution is good: [Hdfs @ hanagios48 root] $ crontab-l05 8 ***/home/hdfs/dfsadmin_report.sh [Hdfs @ hanagios48 root] $ more/tmp/reportHi, cluster usersWhen the Hadoop

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