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fix!: WAL compression config - #862

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MichaelThamm wants to merge 1 commit into
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fix/wal-compression-config
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MichaelThamm wants to merge 1 commit into
mainfrom
fix/wal-compression-config

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@MichaelThamm

@MichaelThamm MichaelThamm commented Sep 4, 2026

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Issue

Fixes #861

Solution

Flip the default value of the metrics_wal_compression Juju config to match the upstream default. Since this is now the opposite, users will need to take care to

Context

Testing Instructions

  • Deploy prom
  • charmcraft pack from this branch
  • check the value of the config

Upgrade Notes

The config option was

@MichaelThamm
MichaelThamm requested a review from a team as a code owner September 4, 2026 21:15
@MichaelThamm MichaelThamm changed the title fix: WAL compression config fix!: WAL compression config Sep 4, 2026
@MichaelThamm
MichaelThamm marked this pull request as draft September 4, 2026 21:25
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Prometheus WAL compression is always enabled

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