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What this PR does / why we need it:

This PR adds support for storing query results from Goldfish comparisons directly in object storage for deep diffing to understand hash mismatches in certain scenarios.

Which issue(s) this PR fixes:

N/A

Special notes for your reviewer:

N/A

Checklist

  • Reviewed the CONTRIBUTING.md guide (required)
  • Documentation added
  • Tests updated
  • Title matches the required conventional commits format, see here
    • Note that Promtail is considered to be feature complete, and future development for logs collection will be in Grafana Alloy. As such, feat PRs are unlikely to be accepted unless a case can be made for the feature actually being a bug fix to existing behavior.
  • Changes that require user attention or interaction to upgrade are documented in docs/sources/setup/upgrade/_index.md
  • If the change is deprecating or removing a configuration option, update the deprecated-config.yaml and deleted-config.yaml files respectively in the tools/deprecated-config-checker directory. Example PR

@JordanRushing JordanRushing self-assigned this Oct 7, 2025
ADD COLUMN cell_a_result_uri TEXT NULL AFTER cell_a_status_code,
ADD COLUMN cell_b_result_uri TEXT NULL AFTER cell_a_result_uri,
ADD COLUMN cell_a_result_size_bytes BIGINT NULL AFTER cell_b_result_uri,
ADD COLUMN cell_b_result_size_bytes BIGINT NULL AFTER cell_a_result_size_bytes,
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will result_size_bytes be different from the response_size we already have?

@JordanRushing JordanRushing force-pushed the loki-goldfish-results-storage branch from 8564bdc to 5704db5 Compare October 8, 2025 19:07
@JordanRushing JordanRushing marked this pull request as ready for review October 8, 2025 19:14
@JordanRushing JordanRushing requested a review from a team as a code owner October 8, 2025 19:14
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2 participants