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s3_scrubber: updates for sharding (#6281)

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This is a lightweight change to keep the scrubber providing sensible
output when using sharding.

- The timeline count was wrong when using sharding
- When checking for tenant existence, we didn't re-use results between
different shards in the same tenant

Closes: https://github.com/neondatabase/neon/issues/5929
This commit is contained in:
John Spray
2024-01-08 09:19:10 +00:00
committed by GitHub
parent b5ed6f22ae
commit b3a681d121
3 changed files with 75 additions and 23 deletions
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4
test_runner/regress/test_pageserver_generations.py
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@@ -254,7 +254,9 @@ def test_generations_upgrade(neon_env_builder: NeonEnvBuilder):
metadata_summary = S3Scrubber(
neon_env_builder.test_output_dir, neon_env_builder
).scan_metadata()
assert metadata_summary["count"] == 1 # Scrubber should have seen our timeline
assert metadata_summary["tenant_count"] == 1 # Scrubber should have seen our timeline
assert metadata_summary["timeline_count"] == 1
assert metadata_summary["timeline_shard_count"] == 1
assert not metadata_summary["with_errors"]
assert not metadata_summary["with_warnings"]