[root@db01 ~]# strace -T -tt clickhouse-client -udefault --password 123 --query="select count(*) from tb1_all;" 2>&1 |tee strace.log
[root@db01 ~]# strace -T -tt clickhouse-client -udefault --password 123 --query="select count(*) from tb1_all;" 2>&1 |tee strace.log