cdh5

checks the health status of the impala daemon and coordinates the information relationships between impalad instances. Impala uses this information to locate the data to be queried. The process name isStatestoredIn the cluster, you only need to start such a process. If the impala node is offline for physical, network, software, or other reasons, statestore notifies other nodes, this prevents query tasks from being distributed to unavailable nodes.The Impala catalog ServiceMetadata Management Se

/cloudera* /var/run/oozie/ /var/run/sqoop2 /var/run/zookeeper /var/run/hbase /var/run/impala /var/run/hive /var/run/hdfs-sockets rm -rf /usr/lib/hadoop /usr/lib/hadoop* /usr/lib/hive /usr/lib/hbase /usr/lib/oozie /usr/lib/sqoop* /usr/lib/zookeeper /usr/lib/bigtop* /usr/lib/flume-ng /usr/lib/hcatalog rm -rf /usr/bin/hadoop* /usr/bin/zookeeper* /usr/bin/hbase* /usr/bin/hive* /usr/bin/hdfs /usr/bin/mapred /usr/bin/yarn /usr/bin/sqoop* /usr/bin/oozie rm -rf /etc/alternatives/* rm -rf /etc/hadoop* /e

Label: cloudera For partition consideration, do not use LVMRoot --> 40 GB VaR --> 100 GB Swap -- 2x system memory Ram --> 8 GBMaster node:Raid 10, dual Ethernet cards, dual power supplies, etc.Slave node:1. Raid is not necessary 2. HDFS partition, not using LVM/Etc/fstab -- ext3 defaults, noatimeMount to/data/n/dfs/dn, for n = 0, 1, 2... (one partition per disk) Cloudera CDH Repository: Http://archive.cloudera.com/cdh5Http://archive-primary.cloudera.com/cm5Http://archive.cloudera.com/gplextras

explained (a)65. New user Statistics code explained (ii)66.hourly Analysis-hbase integration with hive67.hourly Analytics-Analytics for active users68.hourly Analysis-session length analysis69.hourly analysis-average access duration analysis and Sqoop export70. Using Zeus to implement project task scheduling (i)71. Using Zeus to implement project task scheduling (II.)72. Using Zeus to implement project task scheduling (iii)73. Using Zeus to implement project task scheduling (iv)74. Data present

a "pro-son" Spark. There are some differences in support, but basically the interfaces that are often used are supported.Thanks to its strong performance in data science, the Python language fans are all over the world. Now it's time to meet the powerful distributed memory computing framework Spark, two areas of the strong come together. Nature can touch more powerful sparks (spark translates into Sparks), so Pyspark is the protagonist of this section.In the Hadoop release, both

I. Installation PROTOBUFUbuntu system1 Create a file in the/etc/ld.so.conf.d/directory libprotobuf.conf write the content/usr/local/lib otherwise the error will be reported while loading shared libraries:libprotoc.so .8:cannot Open Shared obj2../configure Makemake Install2. Verify that the installation is completeProtoc--versionLibprotoc 2.5.0Two. Install the Snappy local libraryHttp://www.filewatcher.com/m/snappy-1.1.1.tar.gz.1777992-0.htmlDownload snappy-1.1.1.tar.gzUnzip./configuremake Makein

using the CDH4, you need to add the jar in the hive shell by executing the following command: $ ADD Jar/usr/lib/hive/lib/zookeeper.jar; $ ADD Jar/usr/lib/hive/lib/hbase.jar; the version of the $ ADD Jar/usr/lib/hive/lib/hive-hbase-handler- If you are using the CDH5, you need to add the jar in the hive shell by executing the following command: ADD Jar/usr/lib/hive/lib/zookeeper.jar; ADD Jar/usr/lib/hive/lib/hive-hbase-handler.jar;

After Hadoop was upgraded to CDH5, queue management was canceled, but the resource pool allocation was unified. hadoop2.0 version, Hadoop uses a peer-queue organization, where administrators can divide users into several flat queues, and in each queue, one or more queue managers can be assigned to manage those users, such as killing any user's job and modifying the priority of any user job. However, this is not enough, the need to divide resources

Install the Kafka component Configuration Kafka Parcel package in the Web page, host--parcel will list the current cluster to configure and assign the parcel package, currently only configured Cdh5,kafka in other parcel packages, so you need to To load parcel separately, then assign to each node within the cluster. Cloudera Official Kafka Component Parcel Package download address is: http://archive.cloudera.com/kafka/parcels/latest/ As usual, downloa

This article describes Cloudera Manager configuration Hive Metastore1, environmental information2, configuring HA for Namenode 1, environmental informationEnvironment information for deploying cdh5.x articles based on Cloudera MANAGER5 installation. 2, configuring HA for Namenode2.1. Enter the HDFs interface and click "Enable High Availability" 2.2, enter the Nameservice name, set here as: Nameservice1, click the Continue button. 2.3, set another

First of all, of course, is to download a spark source code, in the http://archive.cloudera.com/cdh5/cdh/5/to find their own source code, compiled their own packaging, about how to compile packaging can refer to my original written article: http://blog.csdn.net/xiao_jun_0820/article/details/44178169 After execution you should be able to get a compressed package similar to SPARK-1.6.0-CDH5.7.1-BIN-CUSTOM-SPARK.TGZ (the version differs depending on the

ENTER on the line. What had been done just now. The main is to generate SSH key and key storage path. Under the ~/.ssh. Open ~/.ssh There are at least two files Id_rsa, private key Id_rsa.pub, Public key On the main node: Cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys SCP files to other machines: SCP ~/.ssh/authorized_keys root@yc02:~/.ssh/ Now log on to other machines without a password. 3 Installing Java Because CDH4 support JAVA7, consider CDH5

First, the environment Operating system: CentOS 6.5 64-bit operating system Note: Hadoop2.0 above uses the JDK environment is 1.7,linux comes with the JDK to unload, reinstall Download Address: http://www.oracle.com/technetwork/java/javase/downloads/index.html Software version: hadoop-2.3.0-cdh5.1.0.tar.gz, zookeeper-3.4.5-cdh5.1.0.tar.gz Download Address: http://archive.cloudera.com/cdh5/cdh/5/ Start the installation: second, JDK installation 1. Che

This article is based on centos6.x + cdh5.x What is Phoenix Phoenix's team summed up Phoenix in a nutshell: "We put the SQL back in NoSQL" means: We put SQL into NoSQL again. The nosql here refers to HBase, which means that you can query hbase with SQL statements, and you might say, "Hive and Impala are OK." ”。 But Hive and Impala can also query text files, and Phoenix's feature is that it can only find hbase, and no other type is supported. But also

First refer to: "hadoop-2.3.0-cdh5.1.0 pseudo-distributed installation (based on CentOS)" http://blog.csdn.net/jameshadoop/article/details/39055493 Note: This example uses the root user to build First, the environment Operating system: CentOS 6.5 64-bit operating system Note: Hadoop2.0 above uses the JDK environment is 1.7,linux comes with the JDK to unload, reinstall Download Address: http://www.oracle.com/technetwork/java/javase/downloads/index.html Software version: hadoop-2.3.0-cdh5.1.0.ta

backgroundfrom the business development requirements, the big data platform needs to use spark as machine learning, data mining, real-time computing and so on, so decided to use the Cloudera Manager5.2.0 version number and CDH5. Once built Cloudera Manager4.8.2 and CDH4, when building the Cloudera Manager5.2.0 version number, found that the corresponding service Host monitor and service monitor can not configure the external table, Just opened was tho

Tags: CDH cloudera manager Managed Service Host Monitor Service monitorbackgroundfrom the business development requirements, the big data platform needs to use spark as machine learning, data mining, real-time computing and so on, so decided to use Cloudera Manager5.2.0 version and CDH5. Previously built Cloudera Manager4.8.2 and CDH4, when building the Cloudera Manager5.2.0 version, found that the corresponding service Host monitor and service monito

restartAfter the network has been applied, install the enhancements (http://www.cnblogs.com/web21/p/6007289.html)CommandCD/Mkdir/aaaMkdir/mnt/cdromMount/dev/cdrom/mnt/cdromCd/mnt/cdromTar zxvf VMwareTools-10 ...-c/aaacd/aaa/vmware-tools-distrib/./vmware-install.plAnd then just return to the car.Reboot reboot after completion.Second, the Cloudera installation preparation workhttp://archive-primary.cloudera.com/cm5/redhat/6/x86_64/cm/5/RPMS/x86_64/Download the RPM package from the above address a

Install the large data platform Cdh5 time, need to install MySQL: Usually we install MySQL time, will go to uninstall the corresponding Linux, otherwise will pack and existing MySQL package conflict! So find the Internet to uninstall the Linux system from the MySQL method: yum -y removemysql-libs-* 或者 rpm-e mysql-libs-5.1.* Installing MySQL is fine when you're done. But it's a tragedy,!!!!!!. The crontab command was also unloaded: All: Uninstall

Install the Impala dependency package first Add repo using Yum installation sudo wget-o/etc/yum.repos.d/bigtop.repo Http://www.apache.org/dist/bigtop/bigtop-0.7.0/repos/centos5/bigtop.repo sudo yum install bigtop-utils The version of CDH that Hadoop uses for 5.1.2 is required for the Impala version 1.4.1 Download the RMP package from the Cloudera warehouse impala1.4.1 Warehouse Address http://archive.cloudera.com/cdh5/redhat/5/x86_64/cdh/5.1.2/RPM