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These settings are available in system.merge_tree_settings and are autogenerated from ClickHouse source.

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prewarm_mark_cache

If true mark cache will be prewarmed by saving marks to mark cache on inserts, merges, fetches and on startup of server

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prewarm_primary_key_cache

If true primary index cache will be prewarmed by saving marks to mark cache on inserts, merges, fetches and on startup of server
Last modified on July 22, 2026