gpdb

GreenPlum database fault recovery test This article describes gpdb master fault and recovery testing and segment fault recovery testing. Environment Introduction:Gpdb version: Binary version 5.5.0OS: CentOS linux 7.0Master segment: 192.168.1.225/24 hostname: mfsmasterStadnby segemnt: 192.168.1.227/24 hostname: server227Segment Node 1: 192.168.1.227/24 hostname: server227Segment Node 2: 192.168.1.17/24 hostname: server17Segment Node 3: 192.168.1.11/24

variable vi. bash_profile, and addUmask 022Export ORACLE_BASE =/u01/app/oracleExport ORACLE_HOME = $ ORACLE_BASE/product/11.2.0/dbhome_1Export ORACLE_SID = orclExport PATH = $ PATH: $ HOME/bin: $ ORACLE_HOME/binExport LD_LIBRARY_PATH = $ ORACLE_HOME/lib:/usr/lib 9. Switch to the database directory, If the last Installation failed, delete the folder first.Rm-rf/u01/appRm-rf/u01/oraInventory Chown-R oracle: oinstall/optChown-R oracle: oinstall/u01/appChown-R oracle: oinstall/u02/database Chmod 77

PG has a few months time, at present Greenplum just on the production, in the early research time accumulated some experience in the use of the scene, for gpdb maintenance experience, is accumulating the process.Cloud Habitat: Next, how will you embrace PG?Zhou Jincho: We have a new product backend db that uses the JSONB feature to the latest version of PostgreSQL, taking into account both performance and operational costs. At the moment, there is no

Issue: During initialization, the following issues are:gpadmin-[fatal]:-failed to complete obtain psql count Master gp_segment_configuration Script exiting!Script have left Greenplum Database in an incomplete stateWorkaround:echo "Removeipc=no" >>/etc/systemd/logind.conf/bin/systemctl Restart Systemd-logind.serviceThis solution is as available under Ubuntu Greenplum-db-oss 5.4.1 ScenarioReference URL: https://github.com/greenplum-db/gpdb/issues/197Fai

6. Defining database Objects 6.1. Creating and Managing DatabasesUse the \h command to view the syntax for creating a database, as follows: testdw-# \h Create database command: Create database Description:create A new database Syntax: Create database name [[with] [OWN ER [=] Dbowner] [Template [=] template] nbsp; [ENCODING [=] ENCODING] [Lc_collate [=] lc_collate] [LC_CTYPE [=] lc_ctype] [tablespace [=] tablespace] [CONNECTION LIMIT [=] Conn

like ' ext_% ' and smitable as '%201503% ' ORDER by smitable limit 10; all stored procedures add gpdb at the end. Analyze_partition (table name, date) collects a partition table information. 16, check the database status frequently gpstate-e 17, often use Nmon command to check the SEG node resource occupancy 18, often check the machine/data directory gpssh-f allhosts NB Sp 19. Check the number of tables in each mode regularly, not more than 100,

Common scenarios: When you back up the Oracle database from the server and restore the Oracle database to a local machine, you will often encounter inconsistency in the character encoding of the database. Common scenarios: When you back up the Oracle database from the server and restore the Oracle database to a local machine, you will often encounter inconsistency in the character encoding of the database. Homepage → Database Technology Background:Read News Modify character s

SQLSTATE58030, sqlstate28000 An execution error occurred while optimizing an SQL statement. gtlions=# select t1.telnumber,t2.ua,t2.url,t1.apply_name,t2.apply_name from tb1 t1 gtlions-# left outer join tb2 t2 on t1.sid = t2.ipsid gtlions-# where t1.sum_date=20141128 and t1.sys_reported_time >= '2014-11-28 03:55:00' and t1.sys_reported_time CorrespondingSQLSTATEYes58030This is described in the document. 58030 io error io_error Check the number of opened files and system restrictions. [r

Install oracle11g under Linux 1, download install VMware Workstation v9.0.2 virtual machine software, download rhel-server-6.0-x86_64-dvd.iso install red Hat Enterprise Linux 6 64- Bit operating system into VMware, install time add Linux user Oracle. 2, set the optical drive properties in the VMware virtual machine to use the ISO image file Linux.x64_11gR2_database.iso, and connect to the virtual machine, copy the oracle11g installation folder in the CD-ROM to the virtual machine u02/director

Gp_toolkit.gp_bloat_diag; Bdirelid | Bdinspname | Bdirelname | Bdirelpages | bdiexppages | Bdidiag ----------+------------+------------+-------------+-------------+---------------------------------- -- 2618 | pg_catalog | pg_rewrite | | 5 | Moderate amount of bloat suspected (1 row) gp_toolkit.gp_bloat_expected_pages Find out the expansion details for all objects peiybdb=# select * from Gp_toolkit.gp_bloat_expected_pages; Btdrelid | Btdre

Original linkDeepgreen DB full name Vitesse Deepgreen DB, a scalable, massively parallel (often called MPP) data warehousing solution that originates from an open source Data Warehouse Project Greenplum DB (often referred to as GP or gpdb).So already familiar with GP's friend, can seamlessly switch to Deepgreen. It has almost all the features of GP and, based on all the advantages of GP, deepgreen the original query processing engine, and the next gen