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tags:

• backup
• database
• disaster-recovery
• postgres

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Postgres backup WAL‐g WAL‐e

• WAL-E: https://github.com/wal-e/wal-e/
• WAL-G: https://github.com/wal-g/wal-g/

S3 compatible backup tools

• WAL-E
  • is too slow on big volumes of data
  • can’t take basebackup from the replica
• pgBackRest
  • incremental & differential backups
  • can’t use AWS instance profile credentials
• WAL-G ○
  • delta backups
  • configurable compression methods: lz4, lzma, zstd, brotli
  • backward compatible with WAL-E S3 compatible backup tools