hbase monitoring

1,hbase Regionserver Register with zookeeper to provide hbase regionserver status information (online)2,hmaster The HBase system table-root-is loaded into zookeeper cluster at boot time, and the current system table can be obtained through zookeeper cluster. META. The regionserver information corresponding to the store.The main function of Hmaster is to maintain

Install xammp in the/OPT directory. The WWW directory is/opt/lampp/htdocs/ (1) create a web directory phphbase[Root @ gd02 htdocs] # mkdir-P/opt/lampp/htdocs/phphphbase/[Root @ gd02 htdocs] # cd/opt/lampp/htdocs/phphphbase{View the example file democlient. php used by PHP to access hbase.[Root @ gd02 phphphbase] # locate democlient. php/Root/software/hbase-0.20.6/src/examples/thrift/democlient. php[Root @ g

This section describes all layers of the hadoop ecosystem system. hbase is located at the structured storage layer. hadoop HDFS provides hbase with underlying storage support with high reliability. hadoop mapreduce provides hbase with high-performance computing capabilities, zookeeper provides stable services and Failover mechanisms for

Enter HBase Shell Console$HBASE _home/bin/hbase ShellIf you have Kerberos authentication, you need to use the appropriate keytab for authentication (using the Kinit command), and then use the HBase shell to enter the certificate successfully. You can use the WhoAmI command to view the current user

Transferred from: http://www.cnblogs.com/nexiyi/p/hbase_shell.htmlTwo months ago used HBase, now the most basic commands are forgotten, leave a reference ~ Enter HBase Shell Console$HBASE _home/bin/hbase ShellIf you have Kerberos authentication, you need to use the appropriate keytab for authentication (us

HBase shell command. Enter HBase Shell Console$HBASE _home/bin/hbase ShellIf you have Kerberos authentication, you need to use the appropriate keytab for authentication (using the Kinit command), and then use the HBase shell to enter the certificate successfully. You

Hbase Shell DetailsHBase provides users with a very convenient way to use it, which we call "HBase Shell." The HBase shell provides most hbase commands, which can be easily created, deleted, and modified by HBase shell users, as well as adding data to tables, listing related

Label:Questions Guide: 1 、--hbase-table 、--The role of Hbase-row-key 、--column-family and--hbase-create-table parameters?2. Sqoop the data in the relational database table into HBase, what is the default Rowkey?3. What if there are multiple keywords in the relational database table?Introduction and some important param

The installation and use of HBase and Rhbase are divided into 3 chapters.1. Environment preparation and HBase installation 2.Rhbase installation 3. Rhbase Program Use CasesEach chapter is divided into "Text Description section" and "code section" to maintain the coherence between text description and code.Note: For the Hadoop environment and the RHADOOP environment, see the first two articles in the same se

One, hbase installation Configuration 1.1 pseudo-distribution mode installationPseudo-Distribution mode installation is the role of deploying HBase on a single computer, Hmaster, Hregionserver, and zookeeper are all emulated on a single computer.First of all, prepare the HBase installation package, I use the HBase-0.94

Enter HBase Shell Console$HBASE _home/bin/hbase ShellIf you have Kerberos authentication, you need to use the appropriate keytab for authentication (using the Kinit command), and then use the HBase shell to enter the certificate successfully. You can use the WhoAmI command to view the current user

Tags: fault current submission Berkeley particle generation Kafka writing time1. Test MySQL Connection Bin/sqoop list-databases--connect jdbc:mysql://192.168.1.187:3306/trade_dev--username ' mysql '--password ' 111111 ' 2. Verifying SQL statements Bin/sqoop eval--connect jdbc:mysql://192.168.1.187:3306/trade_dev--username ' mysql '--password ' 111111 '--query ' SELECT * from tb_region WHERE region_id = ' 00a1719a489d4f49906a8ca9661ccbe8 ' " 3. Import hdfs3.1 Import

Hbase is a subproject of hadoop. Download the appropriate Hbase version here. Note: versions of Hadoop and Hbase cannot be used randomly. Therefore, you must first understand whether or not to match and then proceed. Hbase is a subproject of hadoop. Download the appropriate Hbase