encryption_header_* server settings

These settings configure the ClickHouse server and are autogenerated from ClickHouse source.

encryption_header_cache_policy

Encryption header cache policy name.

Maximum size of the cache of encryption headers read from encrypted files. Used only by the experimental ReaderExecutor read path.

This setting can be modified at runtime and will take effect immediately.

The size of the protected queue (in case of SLRU policy) in the encryption header cache relative to the cache’s total size.

Last modified on July 23, 2026