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The front summarizes some pits of sqoop1, oozie and HBase under hue. When the project expires today, we must work out oozie workflow and schedule execution on time to skr skr. 1. The pits of sqoop mysql imported and exported from the front have been trampled. Later, it was found that besides cdh(5.15), sqoop1 was not automatically configured. ...

Hadoop installation steps hadoop Download address: http://mirrors.advancedhosters.com/apache/hadoop/common/   1. Install JDK and hadoop (jdk requires version 1.7 or more) The user installing hadoop is root Create installation directory and unzip related files: mkdir /usr/local/java mkdir /usr/local/hadoop mkdir /usr/loc ...

Flink reality: Statistics website PV, UV PV，UV PV (Page View): Page clicks UV (User View): Number of visits by independent users Assume the requirements are as follows, every minute interval, count the last 5 minutes of UV, PV.It is easy to imagine that the correct results can be obtained from the count and count distinct of the database.Tra ...

1. Purpose of setting up As an online service, it needs to be able to guarantee the characteristics of fast failure, fault-tolerant retry and so on. Fast failures can ensure low latency of the system and prevent the temporary use of service resources due to waiting for a resource, which eventually leads to the unavailability of services. Failu ...

hbase introduction HBase is a distributed, column-oriented open source database. The technology originates from Fay Chang's Google paper Bigtable: A Distributed Storage System for Structured Data. Just as Bigtable takes advantage of the distributed data storage provided by the Google File System, HBase provides Bigtable-like capabilities o ...

After starting zookeeper, I started HDFS, and finally started Hbase. I found that HMaster process was not displayed in JPS process, as follows: [hadoop@hadoop000 bin]$ jps 3936 NameNode 4241 SecondaryNameNode 6561 Jps 4041 DataNode 3418 QuorumPeerMain Then. / hbase shell finds the following error: This is my previous hbase-site.xml confi ...

Reproduced from: https://www.cnblogs.com/MOBIN/p/5704001.html 1. Create HBase tables from Hive Create a Live table pointing to HBase using the HQL statement CREATE TABLE hbase_table_1(key int, value string) //Table name hbase_table_1 in Hive STORED BY 'org.apache.hadoop.hive.hbase.HBaseStorageHandler' //Designated Storage P ...

environmental information Fully Distributed Cluster (I) Cluster Foundation Environment and zookeeper-3.4.10 Installation and Deployment hadoop cluster installation configuration process You need to deploy hadoop cluster before installing hive Fully Distributed Cluster (II) Haoop 2.6.5 Installation and Deployment Hbase Cluster Installatio ...

Following hadoop fully distributed installation After that, zookper+hbase security is combined. Continue with the previous environment configuration. I. zookper Installation 1.1 Download and Unzip Software cd /software wget -c http://apache.fayea.com/zookeeper/zookeeper-3.4.10/zookeeper-3.4.10.tar.gz tar -zxf zookeeper-3.4.1 ...

There are two ways to read HBase. One is to inherit RichSourceFunction, rewrite the parent method, and the other is to implement the OutputFormat interface. The code is as follows: Way 1: Inherit RichSourceFunction package com.my.flink.utils.streaming.hbase; import com.my.flink.utils.config.ConfigKeys; import org.apache.flin ...