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@Override public void updateBrokerConfig(String brokerAddr, Properties properties) throws RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException, UnsupportedEncodingException, InterruptedException, MQBrokerException { defaultMQAdminExtImpl.updateBrokerConfig(brokerAddr, properties); } @Override public ...

First, build haoop2.0 of eclipse 7.1 development environment, the resources used are linked as follows: Install Hadoop 2.0 for windows 7.1 environment Building hadoop development environment under eclipse In this way, we can develop hadoop in eclipse catalogue 1, Introduction to MapReduce model 1. Map and Reduce functions 2. MapReduce a ...

1, HDFS overview 1. HDFS generation background With the increasing amount of data, if there is not enough data in one operating system, it will be allocated to more operating systems But it is not convenient for management and maintenance. There is an urgent need for a system to manage files on multiple machines Distributed file managemen ...

I Cluster environment construction Environmental preparation (1) Server configuration IP host name Environment configuration install 10.100.100.42 node01 Close the firewall and selinux,host mapping, and clock synchronization JDK,NameNode,ResourceManager,Zookeeper 10.100.100.43 node02 Close the firewall and selinux,host mapping ...

1. Install Centos system The software list is as follows: WMware Workstation 12 CentOS-7-x86_64-DVD-1810.iso jdk-8u181-linux-x64.tar.gz hadoop-2.7.3.tar.gz hbase-1.2.7-bin.tar.gz apache-hive-2.1.1-bin.tar.gz kafka_2.11-1.1.0.tgz spark-2.3.2-bin-hadoop2.7.tgz apache-flume-1.8.0-bin.tar.gz Note: since three hosts need to be simulated on the ...

reference material Video data Operating environment Windows10JDK8IDEA 2021.6 professionalHadoop3.1.3CentOS7Three Hadoop fully distributed cluster nodes 1, Preparing the HDFS Java API environment 1.1 preparing Hadoop environment in windows system Hadoop3.1.3 official download address: Click download , download and unzip. hadoop ...

How to build hadoop cluster 1. Mapping of host name and corresponding IP Open the hosts file vi /etc/hosts Add host name and corresponding ip address 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 10.192.30.40 hadoop101 10.192 ...

1. DataX template Method 1: DataX configuration file template python bin/datax.py -r mysqlreader -w hdfswriter Method 2: Official Documents https://github.com/alibaba/DataX/blob/master/README.md 2. Synchronize Mysql data to HDFS cases 2.1 TableMode of mysqlreader Use attributes such as table, column, and where to declare the data t ...

Azkaban is a batch workflow task scheduler launched by Linkedin company. It is mainly used to run a group of work and processes in a specific order in a workflow. Its configuration is to set dependencies through simple < key, value > pairs and dependencies in the configuration. Azkaban uses job profiles to establish dependencies betwe ...

premise stay CDH It must be ensured before installation NODE1 The following programs in the master node have been started 1.Each machine :according to aliyun Time synchronization of services provided :ntpdate -u ntp6.aliyun.com Start service systemctl start ntpd systemctl restart ntpd Check to see if it starts ps -ef | grep n ...