storage_file_read_method
Method of reading data from storage file, one of:read, pread, mmap. The mmap method does not apply to clickhouse-server (it’s intended for clickhouse-local).
storage_system_stack_trace_pipe_read_timeout_ms
Maximum time to read from a pipe for receiving information from the threads when querying thesystem.stack_trace table. This setting is used for testing purposes and not meant to be changed by users.