spilo
pgBackRest
spilo | pgBackRest | |
---|---|---|
2 | 13 | |
1,321 | 2,221 | |
2.6% | 3.1% | |
6.5 | 9.2 | |
10 days ago | 9 days ago | |
Python | C | |
Apache License 2.0 | GNU General Public License v3.0 or later |
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For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
spilo
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Why PostgreSQL High Availability Matters and How to Achieve It
one of the solutions which made it pretty simple for us to run postgresql in a ha environment (mostly in k8s, but works standalone as well) is zalandos patroni: https://github.com/zalando/patroni it's really solid and worked for us for a few years already.
or for k8s their operator: https://github.com/zalando/postgres-operator (docker image: https://github.com/zalando/spilo) we've also tried other operators which were easier to get started, but they failed miserably (crunchyrolls operator is basically based on the zalando one)
- Backup Postgresql Docker
pgBackRest
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pgBackRest: PostgreSQL S3 backups
This tutorial explains how to backup PostgreSQL database using pgBackRest and S3.
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Anything can be a message queue if you use it wrongly enough
This isn't theoretical; many companies do PostgreSQL async 1:N physical replication, by using e.g. https://pgbackrest.org/ to have the primary push WAL segment files (a.k.a. "the last n milliseconds of packets" in the write-ahead log) as objects to S3, and then to have all read-replicas fetch from S3 and replay.
> You could do even better if you out-of-band signal the readiness so you do not need to poll while idle.
S3 and its clones have "object lifecycle notifications", where you can be informed by a push-based mechanism whenever a new object is put into the bucket.
But — what do you have to do, to get these notifications?
Subscribe to a message queue that S3 puts them into.
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Kubernetes postgres backups
I haven't explored the territory in awhile but for bare-metal, you can't go wrong with Percona Distribution, which includes pgBackRest and a minimal web-ui. No one ever got fired for using Percona, etc.
- pgBackRest - Reliable PostgreSQL Backup & Restore
- pgBackRest - have you used it and what was your experience?
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How to backup database
Check out pgBackRest
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Use One Big Server
I found this approach pretty cool in that regard: https://github.com/pgbackrest/pgbackrest
- Moving from Oracle to Postgres, what should I know?
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How do you back up your databases?
Something like PG barman or pg backrest could be good for you on the Postgres side.
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Cloud SQL is not great
Backups are limited. These days, pgbackrest is the go-to backup solution for PostgreSQL, and having used it I am very impressed so far. It provides full backups, differential, and incremental, as well as archiving of WAL segments for point in time recovery. It allows great flexibility in schedules and destinations for backups, how long to keep backups for, how many full backups. For example, you can have backups made to a local disk, and other backups to an external S3-compatible bucket, each with their own settings and schedules (e.g., scheduled via cron).
What are some alternatives?
postgres - Docker Official Image packaging for Postgres
Barman - Barman - Backup and Recovery Manager for PostgreSQL
wal-g - Archival and Restoration for databases in the Cloud
wal-e - Continuous Archiving for Postgres
docker-postgres-wale - Postgres docker container with WALE-E installed
netbox-docker - 🐳 Docker Image of NetBox
pghoard - PostgreSQL® backup and restore service
stream-unzip - Python function to stream unzip all the files in a ZIP archive on the fly