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JSON Schema Clickhouse

Properties

PropertyTypeRequiredDescription
server_settingsServer SettingsnoClickHouse server settings, which can be found in the system.server_settings table.
tiered_storage_move_factornumbernoThe percentage of free disk space required on local storage before data is moved to object storage. A value of 0.2 means data is moved when local storage has less than 20% free space.

Min: 0. Max: 1. Default: 0.2.

Server Settings

ClickHouse server settings, which can be found in the system.server_settings table.

PropertyTypeRequiredDescription
vector_similarity_index_cache_sizenumbernoFraction of total server memory allocated to the vector similarity index cache. 0 disables the cache. Default is 0.07 (7% of server memory). Only effective on ClickHouse 25.8+.

Min: 0. Max: 0.5. Default: 0.07.
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