database_catalog_drop_error_cooldown_sec
In case of a failed table drop, ClickHouse will wait for this time-out before retrying the operation.database_catalog_drop_table_concurrency
The size of the threadpool used for dropping tables.database_catalog_shutdown_table_concurrency
The size of the threadpool used for shutting down tables when the server is stopping. Zero means the number of threads is equal to the number of cores.database_catalog_unused_dir_cleanup_period_sec
Parameter of a task that cleans up garbage fromstore/ directory.
Sets scheduling period of the task.
A value of
0 means “never”. The default value corresponds to 1 day.database_catalog_unused_dir_hide_timeout_sec
Parameter of a task that cleans up garbage fromstore/ directory.
If some subdirectory is not used by clickhouse-server and this directory was not modified for last
database_catalog_unused_dir_hide_timeout_sec seconds, the task will “hide” this directory by
removing all access rights. It also works for directories that clickhouse-server does not
expect to see inside store/.
A value of
0 means “immediately”.database_catalog_unused_dir_rm_timeout_sec
Parameter of a task that cleans up garbage fromstore/ directory.
If some subdirectory is not used by clickhouse-server and it was previously “hidden”
(see database_catalog_unused_dir_hide_timeout_sec)
and this directory was not modified for last
database_catalog_unused_dir_rm_timeout_sec seconds, the task will remove this directory.
It also works for directories that clickhouse-server does not
expect to see inside store/.
A value of
0 means “never”. The default value corresponds to 30 days.