ClickHouse is a common replacements for ElasticSearch in cases where data consists of structured records. ContentSquare publicly reported 11x decrease in cost and 10x faster 99th percentile queries after migration. [1] Others have seen similar results.

[1] https://github.com/ClickHouse/clickhouse-presentations/blob/...

Disclaimer: some of the "others" are customers of my employer Altinity, which offers support for ClickHouse.