greenplum vs hadoop

Zhou Jincho, worked for listening to the cloud, maintaining the uptime of MySQL and Greenplum, and investigating database technology solutions for listening to cloud business scenarios.Listen to Cloud Week goldOn September 24, Greenplum will be able to participate in an offline event in Beijing, where he is entitled to share in the practice of real-time analysis of cloud big data. On this occasion, he share

Greenplum (gpdb) Open source! ~ The Greenplum database (gpdb) is a non-shared, massively parallel processing database designed to handle large-scale data analysis tasks, including data warehousing, business Intelligence (OLAP), and data mining. GPDB is designed for massive data analysis, using the most advanced cost-based query optimizer, is currently one of the most advanced open source database, the PB

Greenplum (GPDB) is open source !~ Greenplum database (GPDB) is a non-shared large-scale parallel processing database. It is mainly used to process large-scale data analysis tasks, including data warehouses, business intelligence (OLAP), and data mining. GPDB is designed for mass data analysis. It uses the most advanced cost-based query optimizer and is one of the most advanced open source databases, quick

flex gcc gcc-c++ krb5-devel libcurl-devel l Ibevent-devel libkadm5 libyaml-devel libxml2-devel perl-extutils-embed python-devel Python-paramiko Python-pip Python-psutil python-setuptools readline-devel xerces-c-devel zlib-devel pip install lockfile Conan Yum Install OpenSSL-devel 3.2 Creating the installation directorymkdir/opt/greenplum -Rgpadmin:gpadmin/opt/ greenplum-R gpadmin:gpadmin/usr/local/ yil

roughly and found an error. update gp_segment_configuration set hostname=‘hadoop-test1‘ where address=‘hadoop-test1‘;ERROR: permission denied: "gp_segment_configuration" is a system catalog The allow_system_table_mod parameter is found in the method of searching and modifying the system table. set allow_system_table_mods=‘dml‘; update gp_segment_configuration set hostname=‘

Any system upgrade has a quantitative change to a qualitative transition: when the version is small, it is usually very simple, the version is a big difference, is a nightmare. But when the version is small, we tend to be complacent. This article actually records from GP4.2.7.2 to 4.3.5.0 upgrade process, from the version number see little difference, but the GP version of the name, the second change is already a big upgrade. Another thing to note is that the upgrade of the GP database size is n

$gpinitsystem-C/usr/local/greenplum-db/gpconfigs/gpinitsystem_config20150429:15:30:59:023693 gpcreateseg.sh:y153-hadoop-namenode2:gpadmin-[warn]:-failed to insert port=40000 in/data/ Primary/gpseg0/postgresql.conf on y153-hadoop-namenode2.vclound.com20150429:15:30:59:023693 gpcreateseg.sh:y153-hadoop-namenode2:gpadmin-

Installing the Performance Monitor Data collection agentThe Gpadmin user performs the following steps "only on Master node".Using the Gpperfmon_install command,Greenplum The command is already included when the installation is complete. After installation, a database named Gpperfmon is established and the Gpmon user is used by default. The password for the system user Gpmon the command line.[Email protected] ~]$ gpperfmon_install--enable--password gpm

May 4-May 24, intermittent tossing and greenplum for three weeks, finally came to an end: the expansion, found that the expansion of capacity, had to upgrade; upgrade, found a bunch of errors, had to pause the repair database; fixed, continue to upgrade; Finally completed the expansion. This process is written in 8 blog post to the implementation process and problem solving are recorded, here to summarize the whole process. Originally had to write, bu

Planning: 1 Msater, 2 segmentsEnvironment: Ubuntu 16.04Greenplum Version: ' Postgres (greenplum Database) 5.3.0 build 2155c5a-oss1. Installationsudo add-apt-repository ppa:greenplum/dbsudo apt-get updatesudo apt-get install Greenplum-db-oss2. Configure/etc/hostsEdit the/etc/hosts file and make sure this it includes the host names and all interface address names for every machine p Articipating in your

Tags: mit query too database str parameter PCH View TestOriginal link Absrtact: Not accumulate Kuibu not even thousands of miles, want to become a qualified database administrator, first of all should have solid basic knowledge and problem processing ability. This article refers to the pivotal official FAQ to explain some common issues that are often encountered when using and managing Deepgreen Greenplum.Do not accumulate Kuibu not even thousands of miles, to become a qualified database admini