Skip to content
ClickHouse Docs

external_storage_* session settings

Autogenerated from ClickHouse system tables

These settings are available in system.settings and are autogenerated from the ClickHouse snapshot.

external_storage_connect_timeout_sec

Connect timeout in seconds. Now supported only for MySQL

external_storage_max_read_bytes

Limit maximum number of bytes when table with external engine should flush history data. Now supported only for MySQL table engine, database engine, and dictionary. If equal to 0, this setting is disabled

external_storage_max_read_rows

Limit maximum number of rows when table with external engine should flush history data. Now supported only for MySQL table engine, database engine, and dictionary. If equal to 0, this setting is disabled

external_storage_rw_timeout_sec

Read/write timeout in seconds. Now supported only for MySQL