These settings are available in system.server_settings and are autogenerated from the ClickHouse snapshot.
index_mark_cache_policy
Secondary index mark cache policy name.
index_mark_cache_prewarm_ratio
The ratio of total size of index mark cache to fill during prewarm.
index_mark_cache_size
Maximum size of cache for index marks.
index_mark_cache_size_ratio
The size of the protected queue (in case of SLRU policy) in the secondary index mark cache relative to the cache’s total size.