how to setup hadoop cluster

1. ConfigurationNamenode Hdfs-site.xml is the Dfs.webhdfs.enabled property must be set to true, otherwise you will not be able to use Webhdfs liststatus, listfilestatus, etc. need to list files, The folder Status command, because this information is saved by Namenode.Add attributes to/etc/hadoop/conf/hdfs-site.xml in Namenode and one datanode:2. Instructions for useAccess Namenode HDFs using port 50070, Access Datanode Webhdfs using 50075 ports. Acces

:7001192.168.51.119:7003192.168.51.120:7005Adding replica 192.168.51.119:7004 to 192.168.51.118:7001Adding replica 192.168.51.118:7002 to 192.168.51.119:7003Adding replica 192.168.51.120:7006 to 192.168.51.120:7005M: c929af23011ce7e6888721845d1d300196c3046f 192.168.51.118:7001 slots:0-5460 (5461 slots) masterS: 60643541639fa838a23708027dfd8f05084fa0bb 192.168.51.118:7002 replicates c330af95e5053ead51943d17b7ede77ff26e357cM: c330af95e5053ead51943d17b7ede77ff26e357c 192.168.51.119:7003 slots

Step OneIf not, do not set up the HBase development environment blog, see my next blog.HBase Development Environment Building (Eclipse\myeclipse + Maven)　　Step one, need to add. As follows:In the project name, right-click,Then, write Pom.xml, here not much to repeat. SeeHBase Development Environment Building (Eclipse\myeclipse + Maven)When you are done, write the code, right.Step two some steps after the HBase development environment is built (export exported jar package or Ant mode)Here, do not

When a problem occurs in a single node of a Hadoop cluster, it is generally not necessary to restart the entire system, just restart the node and it will automatically connect to the entire cluster.Enter the following command on the necrotic node:hadoop-daemon.sh Start Datanodehadoop-daemon.sh Start SecondarynamenodeThe cases are as follows:Hadoop node crashes, can ping Pass, SSH Connection not onCase:Time:

Parameters required for configuration:Configuration conf = new Configuration();conf.set("fs.defaultFS", "hdfs://hadoop2cluster");conf.set("dfs.nameservices", "hadoop2cluster");conf.set("dfs.ha.namenodes.hadoop2cluster", "nn1,nn2");conf.set("dfs.namenode.rpc-address.hadoop2cluster.nn1", "10.0.1.165:8020");conf.set("dfs.namenode.rpc-address.hadoop2cluster.nn2", "10.0.1.166:8020");conf.set("dfs.client.failover.proxy.provider.hadoop2cluster", "org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFai

\catalina\localhost;Create a new XML file based on the project name you deployed, called Solr.xml if the package is called SOLR.The contents are: 3, Tomcat boot java_opts parameter setting modeUnder the root directory where you installed Tomcat, find Bin\catalina.bat added in the java_opts option,Like Windows, you can add a row of set JAVA_OPTS-DSOLR.SOLR.HOME=C:/EXAMPLE2/SOLR to the frontResources:Http://www.myexception.cn/open-source/745464.html Copyright NOTICE: This article for Bo Master o

Python Access secured Hadoop Cluster through Thrift APIApache Thrift Python Kerberos Support typical way to connect Kerberos secured Thrift server example-hive example-hbase Apache Thrift Python Kerberos Support Both supports are only avaliable in Linux platform Native Support Dependency: Kerberos (Python package) >> PURE-SASL (python package) >> Thrift (Python package)Source: https://github.com/apache/thr

Build a Hadoop 2.7.3 cluster in CentOS 6.7 Hadoop clusters have three operating modes: Standalone mode, pseudo distribution mode, and full distribution mode. Here we set up the third full distribution mode, that is, using a distributed system to run on multiple nodes.1. Configure DNS in Environment 1.1 Go to the configuration file and add the ip ing between the

Virtual machine to build Hadoop's full distributed cluster-in detail (1), set up three virtual machine master, Slave1 and Slave2 hostname and IP address, so that the host can ping each other. This blog will continue to prepare virtual machines for a fully distributed Hadoop cluster, with the goal of enabling Master, Slave1, and Slave2 to log on to each other via

First, prepareUpload apache-hive-1.2.1.tar.gz and Mysql--connector-java-5.1.6-bin.jar to NODE01Cd/toolsTAR-ZXVF apache-hive-1.2.1.tar.gz-c/ren/Cd/renMV apache-hive-1.2.1 hive-1.2.1This cluster uses MySQL as the hive metadata storeVI Etc/profileExport hive_home=/ren/hive-1.2.1Export path= $PATH: $HIVE _home/binSource/etc/profileSecond, install MySQLYum-y install MySQL mysql-server mysql-develCreating a hive Database Create databases HiveCreate a hive u

the error, install a higher version of the Can, can refer to https://www.cnblogs.com/PatrickLiu/p/8454579.html thank bloggers　　2) Next Run the REDIS-TRIB.RB　　4. Create a cluster/USR/LOCAL/REDIS/SRC/REDIS-TRID.RB Create--replicas 1 0.0.0.0:7000 0.0.0.0:7001 0.0.0.0:7002 0.0.0.1:7003 0.0.0.1:70 04 0.0.0.1:7005　　　　Here's a place to watch.1.redis cluster port, need to correspond to release plus 10000 port, for

Redis's master-slave copy strategy is realized through its persistent RDB file, the process is to dump out Rdb file, Rdb file to Slave, and then synchronize the operation of the dump to slave in real time. The following is an article on the principle of Redis reproduction, the author of the article for Sina Weibo Tianqi classmate (@ Rocking Bach). This article discusses the replication capabilities of the Redis and the advantages and disadvantages of the Redis replication mechanism itself, as we

---------------------[NDBD (NDB)]???? 2 node (s)Id=2??? @192.168.1.3? (mysql-5.7.20 ndb-7.6.4, nodegroup:0, *)Id=3??? @192.168.1.4? (mysql-5.7.20 ndb-7.6.4, nodegroup:0)[NDB_MGMD (MGM)] 1 node (s)Id=1??? @192.168.1.2? (mysql-5.7.20 ndb-7.6.4)[Mysqld (API)]?? 2 node (s)Id=4??? @192.168.1.3? (mysql-5.7.20 ndb-7.6.4)Id=5??? @192.168.1.4 (mysql-5.7.20 ndb-7.6.4)The NDB_MGM tool is a NDB_MGMD (MySQL Cluster Server) Client Management tool that allows you to

1, add the configuration file to the project source directory (SRC) mapreduce.framework.name yarn Read the contents of the configuration file so that the project knows to submit to the cluster to run2, package the project into the Project source directory (SRC) 3, add a sentence in Java code Configuration conf = new Configuration(); conf.set("mapreduce.job.jar", "wc.jar");

Reprint: Hadoop Cluster time synchronization Test environment: 192.168.217.130 Master master.hadoop 192.168.217.131 node1 node1.hadoop 192.168.217.132 node2 node2.hadoopfirst, set the master server timeView local time and time zone [root@master ~]# date Mon Feb 09:54:09 CST 2017 Select time Zone [root@master ~]# tzselect [Root@master ~]# Cp/usr/shar E/zoneinfo/a

Tags: share port number USR data via SQL database my.cnf Chinese garbled problem MySQL installationMySQL installation for Hadoop---clusterOne:　　　　　　Two:　　 　　 Three:　　Four:　　 　　 Five:　　 　 Six:　　 　 Seven:　　 　 Eight: Modify database character: Solve Chinese garbled problem, mysql default is latin1, we want to change to Utf-81>　　　 　　　 2> Then we do modify:--> first we need to build a folder for MySQL at/etc/--and then copy/usr/sharemysql/my-medium.cof to/

mytable from Database mydb to the E:\MySQL\mytable.sql file. c:\> mysqldump-h localhost-u root-p mydb mytable>e:\mysql\mytable.sql Example 3: Export the structure of the database mydb to a e:\MySQL\mydb_stru.sql file. c:\> mysqldump-h localhost-u root-p mydb--add-drop-table >e:\mysql\mydb_stru.sql Note :-h localhost can be omitted, it is generally used on the virtual host.3) Export data structure onlyformat : mysqldump-u [Database user name]-p-t [the name of the data

localhost-u root-p mydb >e:\mysql\mydb.sql Then enter the password, wait for an export to succeed, you can check the target file for success. Example 2: Export mytable from Database mydb to the E:\MySQL\mytable.sql file. c:\> mysqldump-h localhost-u root-p mydb mytable>e:\mysql\mytable.sql Example 3: Export the structure of the database mydb to a e:\MySQL\mydb_stru.sql file. c:\> mysqldump-h localhost-u root-p mydb--add-drop-table >e:\mysql\mydb_stru.sql

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This article discusses the replication capabilities of Redis and the pros and cons of the Redis replication mechanism itself, as well as cluster setup issues. Overview of the Redis replication processThe Redis replication feature is based on a memory-snapshot-based persistence strategy that we discussed earlier, which means that no matter what your persistence strategy chooses, if you use the Redis replicat