Protected: How to Set Up a Highly Available PostgreSQL 16 Cluster on Cent OS 9
POSTGRESHELP BLOG
by postgreshelp3769
2d ago
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Protected: PostgreSQL Day-to-Day
POSTGRESHELP BLOG
by postgreshelp3769
2w ago
This content is password protected. To view it please enter your password below: Password ..read more
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PostgreSQL Administration – A Journey from Novice to Pro
POSTGRESHELP BLOG
by postgreshelp3769
2w ago
Context – 1 Whether you’re a novice embarking on a career as a database administrator or an experienced professional from another RDBMS technology, People often ask me about how to kickstart the PostgreSQL administration journey or take it to the next level Context – 2 Typical use cases that we hear from the PostgreSQL community or the requirement from your manager I want to set up PostgreSQL on my on-premise. Can you help me with PostgreSQL configuration best practices?. Can you help me migrate my Oracle/SQL Server database to PostgreSQL? I am pushing my data f ..read more
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Set Up a Highly Available PostgreSQL 15 Cluster on Cent OS 8 With Patroni
POSTGRESHELP BLOG
by postgreshelp3769
2w ago
PostgreSQL is a popular open-source relational database management system (RDBMS) used by many organizations to store and manage their data. To ensure high availability and prevent downtime, it’s essential to have a robust HA setup for PostgreSQL. Patroni, HAProxy, Keepalived, etcd, and watchdog can be used together to achieve this goal. Patroni: Patroni is an open-source tool used to manage PostgreSQL HA clusters. It’s a lightweight solution that uses the PostgreSQL replication mechanism to ensure that all nodes in the cluster have an up-to-date copy of the database. Patroni provides automat ..read more
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How to Set Up a Highly Available PostgreSQL 15 Cluster on Cent OS8
POSTGRESHELP BLOG
by postgreshelp3769
2w ago
PostgreSQL is a popular open-source relational database management system (RDBMS) used by many organizations to store and manage their data. To ensure high availability and prevent downtime, it’s essential to have a robust HA setup for PostgreSQL. Patroni, HAProxy, Keepalived, etcd, and watchdog can be used together to achieve this goal. Patroni: Patroni is an open-source tool used to manage PostgreSQL HA clusters. It’s a lightweight solution that uses the PostgreSQL replication mechanism to ensure that all nodes in the cluster have an up-to-date copy of the database. Patroni provides automat ..read more
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PostgreSQL 14 – In progress transaction in logical replication
POSTGRESHELP BLOG
by postgreshelp3769
2w ago
Per PostgreSQL 14 release notes “When using logical replication, PostgreSQL can now stream in-progress transactions to subscribers, with significant performance benefits for applying large transactions on subscribers. PostgreSQL 14 also adds several other performance enhancements to the logical decoding system that powers logical replication.” What is in-progress transactions streaming? As per the logical replication architecture, the data streamed only when it is committed at primary. When there is a big transaction, it leads to apply-lag. The in-progress transactions streaming feature s ..read more
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Configure Grafana for PostgreSQL Database
POSTGRESHELP BLOG
by postgreshelp3769
2w ago
As per the “State of PostgreSQL 2021” survey by timescale for the best visualization tool, Grafana stood first with 38.7% responders. In this post, we are going to configure Grafana to monitorPostgreSQL Database  There are 8 major steps involved in Installing and Configuring Grafana for PostgreSQL. Install Grafana(Monitoring server) # monitoring tool. Install prometheus(Monitoring server) # To store the metrics collected from servers. Install node_exporter(PostgreSQL Server) # To collect Linux metrics and send to prometheus. Integrate prometheus with node_exporter(Monitoring server) Inst ..read more
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Greenplum database – setup and configure
POSTGRESHELP BLOG
by postgreshelp3769
2w ago
In this tutorial we will understand how to setup a Pivotal Greenplum 6 database cluster with following set up on Linux 6. How to Install, Create and Configure Greenplum database 6.12 in Linux – Introduction IP Address Hostname Implementations-1 Implementations-2 192.168.1.51 m_node01 master 192.168.1.52 segnode01 gpseg0(primary) gpseg1(mirror), master standby 192.168.1.53 segnode02 gpseg1(primary) gpseg0(mirror) Introducing the terms defined: Greenplum Database is a massively parallel processing (MPP) database server with an architecture specially designed to manage large-sca ..read more
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Foo-Bar and PostgreSQL
POSTGRESHELP BLOG
by postgreshelp3769
2w ago
I was reading the PostgreSQL official documentation and in every other page I read something like, foo and bar. Foo, Bar and PostgreSQL PostgreSQL documentation has 675 instances where the word foo is used. Understanding the concept of database, PostgreSQL came up with the example., CREATE DATABASE foo WITH TEMPLATE template0; Understanding the concept of creating table, PostgreSQL came up with the example., CREATE TABLE foo (fooid int, foosubid int, fooname text); Even columns., SELECT * FROM items_sold; brand | size | sales -------+------+------- Foo | L | 10 Foo | M | 20 Bar | M | 15 ..read more
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PostgreSQL v14: When do I get snapshot too old error
POSTGRESHELP BLOG
by postgreshelp3769
2w ago
From here we understand that PostgreSQL uses the feature called vacuum to clear dead tuples. More information about vacuum and dead tuples is already covered extensively in multiple posts. PostgreSQL : Snapshot too old VACUUM physically deletes old tuples until the last transaction can see them. But sometimes the transaction takes too long and holds the tuples for a very long time. Long-running report or cursor displaying query results could block cleanup of dead rows, bloating all volatile tables in the database, causing performance problems and excessive use of storage space. To address ..read more
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