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fix: add lz4 compression support for base backups (#868)
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Upgrade barman-cloud library to v0.5.1 which includes lz4 support for
base backups. Update CRD schema and manifest to expose lz4 as a valid
compression option, and clarify docs that lz4 is no longer WAL-only.

Closes #867

Signed-off-by: Marco Nenciarini <marco.nenciarini@enterprisedb.com>
Signed-off-by: Leonardo Cecchi <leonardo.cecchi@gmail.com>
Co-authored-by: Leonardo Cecchi <leonardo.cecchi@gmail.com>
This commit is contained in:
Marco Nenciarini 2026-04-21 19:23:45 +02:00 committed by GitHub
parent 0111ed9f4d
commit e30154b938
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6 changed files with 12 additions and 6 deletions
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2
.wordlist.txt
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@ -15,6 +15,7 @@ DigitalOcean
Docusaurus
EDB
EKS
EnterpriseDB
Enum
EnvVar
GCP
@ -76,6 +77,7 @@ backends
barmanObjectName
barmanObjectStore
barmancloud
benchmarked
boto
bzip
cd

3
config/crd/bases/barmancloud.cnpg.io_objectstores.yaml
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@ -144,10 +144,11 @@ spec:
description: |-
Compress a backup file (a tar file per tablespace) while streaming it
to the object store. Available options are empty string (no
compression, default), `gzip`, `bzip2`, and `snappy`.
compression, default), `gzip`, `bzip2`, `lz4`, and `snappy`.
enum:
- bzip2
- gzip
- lz4
- snappy
type: string
encryption:

2
go.mod
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@ -7,7 +7,7 @@ toolchain go1.26.2
require (
github.com/cert-manager/cert-manager v1.20.2
github.com/cloudnative-pg/api v1.29.0
github.com/cloudnative-pg/barman-cloud v0.5.0
github.com/cloudnative-pg/barman-cloud v0.5.1
github.com/cloudnative-pg/cloudnative-pg v1.29.0
github.com/cloudnative-pg/cnpg-i v0.5.0
github.com/cloudnative-pg/cnpg-i-machinery v0.4.2

4
go.sum
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@ -20,8 +20,8 @@ github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UF
github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/cloudnative-pg/api v1.29.0 h1:mNx6yJ5qi+Xrjs0NYrUy6V4MlXBkVJxGKwvTJZIuTX4=
github.com/cloudnative-pg/api v1.29.0/go.mod h1:bF3HI8UVVcllZ7M8CfBufnb+Us8FyQArhD+4qtX0qhM=
github.com/cloudnative-pg/barman-cloud v0.5.0 h1:DykSaX4o7ee2vyu5FQoG1RJsntHd+EIttIKZbJPlB1Q=
github.com/cloudnative-pg/barman-cloud v0.5.0/go.mod h1:SO2HzLa+GWlSIpGyxnISoJAFPIcaa/qDa33Bb3jefac=
github.com/cloudnative-pg/barman-cloud v0.5.1 h1:vjkXrrxo2DQXHT9u9usqhtaHiPZ/lTfDVs/pIWYTepQ=
github.com/cloudnative-pg/barman-cloud v0.5.1/go.mod h1:XPc5IUFP1y4cZX1sg+Pd8j9V4tmUEVnv3BGCpfQOOg8=
github.com/cloudnative-pg/cloudnative-pg v1.29.0 h1:49Dm8+y4va7RODspJjeaK8uMWP3OGAD0gMsxhjm16Mo=
github.com/cloudnative-pg/cloudnative-pg v1.29.0/go.mod h1:0Sgb/50VyaCnQm3IbWqgnhQG8Kb6mgqo8Jo1J+KtkSI=
github.com/cloudnative-pg/cnpg-i v0.5.0 h1:/TOzpNT6cwNgrpftTtrnLKdoHgMwd+88vZgXjlVgXeE=

3
manifest.yaml
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@ -143,10 +143,11 @@ spec:
description: |-
Compress a backup file (a tar file per tablespace) while streaming it
to the object store. Available options are empty string (no
compression, default), `gzip`, `bzip2`, and `snappy`.
compression, default), `gzip`, `bzip2`, `lz4`, and `snappy`.
enum:
- bzip2
- gzip
- lz4
- snappy
type: string
encryption:

4
web/docs/compression.md
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@ -15,7 +15,7 @@ for space, speed, or a balance of both.
- `bzip2`
- `gzip`
- `lz4` (WAL only)
- `lz4`
- `snappy`
- `xz` (WAL only)
- `zstd` (WAL only)
@ -41,3 +41,5 @@ network throughput.
| bzip2 | 25,404 | 13,886 | 395 | 67 | 5.9:1 |
| gzip | 116,281 | 3,077 | 395 | 91 | 4.3:1 |
| snappy | 8,134 | 8,341 | 395 | 166 | 2.4:1 |
Numbers come from a 2021 Barman proof of concept ([EnterpriseDB/barman#344](https://github.com/EnterpriseDB/barman/issues/344#issuecomment-992547396)), which predates `lz4` support for base backups. `lz4` is not yet benchmarked.