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Is it possible to run PostgreSQL on NFS?
NFS does not support fsync kernel vfs call which is required transaction logs for ensuring the writing out the redo logs on the disk. So you should use block storage when you need to use RDBMS, such as PostgreSQL and MySQL. You might lose the data consistency althogh you can run the one on the NFS.
How to run Postgres in Kubernetes persistent NFS volume?
Check that all resources have been created: The files belonging to this database system will be owned by user “postgres”. This user must also own the server process. The database cluster will be initialized with locale “en_US.utf8”. The default database encoding has accordingly been set to “UTF8”.
Can you run Postgres in a Kubernetes cluster?
Databases like Postgres or MySQL are typical stateful applications. Kubernetes provides support for many types of volumes depending on the Cloud provider. For our local development Kubernetes Cluster, the most appropriate and easy to configures is an NFS volume.
Why do I need a PostgreSQL database cluster?
After initialization, a database cluster will contain a database named postgres, which is meant as a default database for use by utilities, users and third party applications. The database server itself does not require the postgres database to exist, but many external utility programs assume it exists.
Why do we use raid in Postgres storage?
RAID is used with the vast majority of storage options with Postgres as it can provide redundancy, protecting against failure of a disk, and increased I/O throughput by striping data across multiple drives in chunks which can be accessed in parallel across the devices.
Who is the owner of the PostgreSQL database?
The files belonging to this database system will be owned by user “postgres”. This user must also own the server process. The database cluster will be initialized with locale “en_US.utf8”. The default database encoding has accordingly been set to “UTF8”. The default text search configuration will be set to “english”.
How to deploy PostgreSQL on Kubernetes with NFS volume?
I’m using the below manifest to deploy postgresql on kubernetes within NFS persistent volume: