python3 -c "[print('{{\"a\":\"{}\", \"b\":\"{}\"'.format('clickhouse'* 1000000, 'dbms' * 1000000)) for i in range(10)]; [print('{{\"a\":\"{}\", \"b\":\"{}\"}}'.format('clickhouse'* 100000, 'dbms' * 100000)) for i in range(10)]" 2>/dev/null |${CLICKHOUSE_CLIENT} --min_chunk_bytes_for_parallel_parsing=10485760 --max_threads=0 --input_format_parallel_parsing=1 --max_memory_usage=0 -q "insert into insert_big_json FORMAT JSONEachRow" 2>&1| grep -q "min_chunk_bytes_for_parallel_parsing"&&echo"Ok."||echo"FAIL"||: