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Cache label IDs #1414

Merged
merged 1 commit into from
Jun 20, 2022
Merged

Cache label IDs #1414

merged 1 commit into from
Jun 20, 2022

Commits on Jun 20, 2022

  1. Cache label IDs 

    Add inverted cache ( (metric + label pair) -> (id, pos)) to avoid DB calls for
fetching label IDs in cases when series ID is not cached.
This cache is only used when ingesting data.
Benchmarks are showing around 5-10% gains in ingest performance and
about 25% less DB calls for fetching label IDs (note that these numbers
depend a lot on a shape of the dataset).
    @niksajakovljevic
    niksajakovljevic committed Jun 20, 2022
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