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Once upon a time FOSS was about Freedom. It was about exposing equality within source code. It allowed everyone equal rights and equal access to the technology they were using. An idea that if you were capable, you could fix code or pay someone to fix code. An ideology that there was something greater than yourself and that there was an inherent right built into what it is to be …
As the PostgreSQL community continues down its path of world domination I can't help but wonder whether the various PostgreSQL companies are going to survive the changes. Once upon a time there was an undercurrent of understanding that what was good for the community was good for the company. Whatever company that may be. However, over the last few years it seems that has changed. It seems there is more …
WAL (acronym for the Write Ahead Log) is the mechanism that Postgres uses to implement durability (the D in ACID) of data changes in the face of a system crash. WAL is also a critical component for Postgres to provide binary replication as well as online binary backups.
In this article we will be discussing the minimum requirements for production usage of PostgreSQL whether on-prem or in the cloud. We will not be discussing proprietary forks such as Amazon RDS or other Open Source forks such as Yugabyte or Greenplum.
PostgreSQL is the Linux of databases. It provides the kernel and key features to the most critical database services available today.