Only ClickHouse keeps pre-aggregations current

FOR CONTEXTPre-aggregation lag depends on how the data is kept freshFresh-data pathQuery-ready dataNewlywrittenOrderedraw dataOrdered pre-aggregatedFreshdatacontinuouslyQuery engineQuerycomputeFastanswerscontinuouslyPOSSIBLE LAG
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Lag between raw data and pre-aggregated data

Rows ingested while queries run