Now we need to configure on which interfaces PostgreSql should listen and accept the connections on, by editing the value of thelisten_addressesconfiguration parameter because the default behavior is to listen for TCP/IP connections only on the local loopback address. There are some others parameter...
On the master server, we can use an internal postgres backup start command to create a backup label command. We then will transfer the database data to our slave and then issue an internal backup stop command to clean up: psql -c “select pg_start_backup(‘initial_ba...
Streaming replication is a core utility of PostgreSQL introduced in version 9.0. Streaming replication allows a standby server to stay more up-to-date than is possible with file-based log shipping. The standby connects to the primary, which streams WAL records to the standby as they're...
1) Stop PostgreSQL and clear the data directory: [code lang="bash"]systemctl stop postgresql-10.servicerm -rf /var/lib/pgsql/10/data/*[/code] 2) Next, I backed up and restored the data from the primary server, and then started the PostgreSQL server and viewed the status to make sur...
We will take a Test-Driven Development (TDD) approach and the set up Continuous Integration (CI) job to automatically run our tests on Travis CI and AppVeyor, complete with code quality and coverage reporting. We will learn about controllers, models (with PostgreSQL), error handling, and asyn...
Issue Is there a hot backup function in postgresql so that the data can be backup concurrently?Environment Red Hat Enterprise Linux 6 postgresql92 Red Hat Enterprise Linux 7 postgresql-9.2 Subscriber exclusive content A Red Hat subscription provides unlimited access to our knowledgebase, tools, ...
setting up a PostgreSQL database instead of using the default SQLite database. You’ll configure the Gunicorn application server to interface with your applications. You will then set up Nginx to reverse proxy to Gunicorn, giving you access to its security and performance features ...
https://www.postgresql.org/docs/current/recovery-config.html) and most options need to be added topostgresql.confinstead. For theprimary_conninfoline, thehost=option for should be set to node 01's replication IP, and theapplication_namecan be set to anything but should differ for each node...
How to Optimize PostgreSQL Logical Replication 逻辑复制(Logical Replication)或Pglogical是表级别的复制。两者都是基于WAL的复制机制,允许在两个实例之间复制指定表的WAL。这两个看起来让人迷惑,到底有什么区别呢?Logical Replication是PostgreSQL10.0引入的内置新特性,而pglogical则是一个插件。PG10版本之前可以使用该...
led webinar, “Using Vacuum to Clean Up PostgreSQL for Performance” will teach you how to vacuum your PostgreSQL database without negatively impacting performance. You’ll learn why you need to vacuum, how to schedule vacuuming, and tools you can leverage to monitor for related performance ...