xingcun

**Bug Description**  非超级表下的普通表，一千万条数据查询count(*)就要花费7秒 **Environment (please complete the following information):** - OS: [e.g. CentOS 7.0] - Memory 16g, CPU 4核, 普通硬盘current Disk Space - TDengine Version [3.0]

**Bug Description** failed to get fqdn, code:8, reason:nodename nor servname provided, or not known Welcome to the TDengine Command Line Interface, Client Version:3.0.1.5 Copyright (c) 2022 by TDengine, all rights...