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Remove references to max_series_per_query from docs #6889

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Remove references to max_series_per_query from docs #6889

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b2bad89
Remove references to max_series_per_query from docs
aclaygray Jul 17, 2025
3dfbd00
PR feedback: Add max_fetched_series_per_query properly to examples
aclaygray Aug 7, 2025
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10 changes: 4 additions & 6 deletions docs/configuration/arguments.md
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Original file line number Diff line number Diff line change
Expand Up @@ -318,11 +318,10 @@ overrides:
tenant1:
ingestion_rate: 10000
max_series_per_metric: 100000
max_series_per_query: 100000
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We can probably change max_series_per_query to max_fetched_series_per_query as it is the new limit.

max_fetched_series_per_query: 10000
tenant2:
max_samples_per_query: 1000000
max_series_per_metric: 100000
max_series_per_query: 100000
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it should be max_fetched_series_per_query for consistency

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🤦 , thanks for pointing this out.

max_fetched_series_per_query: 100000

multi_kv_config:
mirror_enabled: false
Expand All @@ -348,11 +347,10 @@ overrides:
tenant1:
ingestion_rate: 10000
max_series_per_metric: 100000
max_series_per_query: 100000
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same

max_fetched_series_per_query: 100000
tenant2:
max_samples_per_query: 1000000
max_series_per_metric: 100000
max_series_per_query: 100000
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same

max_fetched_series_per_query: 100000
```

Valid per-tenant limits are (with their corresponding flags for default values):
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3 changes: 1 addition & 2 deletions docs/guides/overrides-exporter-runtime.yaml
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Expand Up @@ -8,5 +8,4 @@ overrides:
max_global_series_per_user: 300000
max_series_per_metric: 0
max_series_per_user: 0
max_samples_per_query: 100000
max_series_per_query: 100000
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same

max_fetched_series_per_query: 100000
6 changes: 2 additions & 4 deletions docs/guides/overrides-exporter.md
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Expand Up @@ -35,9 +35,8 @@ overrides:
max_global_series_per_metric: 300000
max_global_series_per_user: 300000
max_series_per_metric: 0
max_series_per_user: 0
max_samples_per_query: 100000
max_series_per_query: 100000
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same

max_series_per_user:
exitmax_fetched_series_per_query: 100000
```

The `overrides-exporter` is configured to run as follows:
Expand All @@ -59,7 +58,6 @@ cortex_overrides{limit_name="max_global_series_per_user",user="user1"} 300000
cortex_overrides{limit_name="max_local_series_per_metric",user="user1"} 0
cortex_overrides{limit_name="max_local_series_per_user",user="user1"} 0
cortex_overrides{limit_name="max_samples_per_query",user="user1"} 100000
cortex_overrides{limit_name="max_series_per_query",user="user1"} 100000
```

With these metrics, you can set up alerts to know when tenants are close to hitting their limits
Expand Down