suggestions about FQDN

[sgnah]

[root@alie5 ~]# taos

Welcome to the TDengine shell from Linux, Client Version:2.0.6.0
Copyright (c) 2017 by TAOS Data, Inc. All rights reserved.

taos> use demo
-> ;
Database changed.

taos> select * from t
-> ;

DB error: Invalid Vgroup ID
taos>
taos> create table t (ts timestamp, cdata int);

DB error: Table already exists
taos> select * from t;

DB error: Invalid Vgroup ID
taos> exit;
[root@alie5 ~]# systemctl stop taosd
[root@alie5 ~]# systemctl start taosd
[root@alie5 ~]# taos

Welcome to the TDengine shell from Linux, Client Version:2.0.6.0
Copyright (c) 2017 by TAOS Data, Inc. All rights reserved.

taos> use demo
-> ;
Database changed.

taos> DB error: Invalid Vgroup ID
->
-> ;

DB error: syntax error near "db error: invalid vgroup id ;"
taos> select * from t;

DB error: Invalid Vgroup ID
taos> exit;
^[[3~[root@alie5 ~]#
[root@alie5 ~]# cat hosts
cat: hosts: 没有那个文件或目录
[root@alie5 ~]# cat /etc/hosts
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4

172.18.117.115 iZwz95qbhzylu7mn7btjzfZ iZwz95qbhzylu7mn7btjzfZ

[root@alie5 ~]# vim /etc/hosts
[root@alie5 ~]# taos

Welcome to the TDengine shell from Linux, Client Version:2.0.6.0
Copyright (c) 2017 by TAOS Data, Inc. All rights reserved.

taos> use demo
-> ;

DB error: Unable to resolve FQDN
taos> drop demo
-> ;

DB error: syntax error near "demo ;"
taos> delete demo
-> ;

DB error: syntax error near "delete demo ;"
taos> create database demo1
-> ;

DB error: Unable to resolve FQDN
taos> exit;
[root@alie5 ~]# systemctl stop taosd
[root@alie5 ~]# systemctl start taosd
[root@alie5 ~]# taos

Welcome to the TDengine shell from Linux, Client Version:2.0.6.0
Copyright (c) 2017 by TAOS Data, Inc. All rights reserved.

taos> use demo
-> ;

DB error: Unable to resolve FQDN
taos> reboot
-> ;

DB error: syntax error near "reboot ;"
taos> exit;
[root@alie5 ~]# reboot

连接断开
连接成功
Last login: Sat Oct 31 20:44:09 2020 from 116.25.116.84

Welcome to Alibaba Cloud Elastic Compute Service !

[root@alie5 ~]# taos

Welcome to the TDengine shell from Linux, Client Version:2.0.6.0
Copyright (c) 2017 by TAOS Data, Inc. All rights reserved.

taos> use demo
-> ;
Database changed.

taos> select * from t;

DB error: Invalid Vgroup ID
taos> create database demo1;
Query OK, 0 row(s) affected (0.002332s)

taos> use demo1;
Database changed.

taos> create table t (ts timestamp, cdata int);

DB error: Invalid Sync Configuration
taos> create table t1 (ts timestamp, cdata int);

DB error: Invalid Sync Configuration
taos> create table t1 (ts timestamp, cdata int);

[sgnah]

Last login: Sat Oct 31 20:44:09 2020 from 116.25.116.84

Welcome to Alibaba Cloud Elastic Compute Service !

[root@alie5 ~]# taos

Welcome to the TDengine shell from Linux, Client Version:2.0.6.0
Copyright (c) 2017 by TAOS Data, Inc. All rights reserved.

taos> use demo
-> ;
Database changed.

taos> select * from t;

DB error: Invalid Vgroup ID
taos> create database demo1;
Query OK, 0 row(s) affected (0.002332s)

taos> use demo1;
Database changed.

taos> create table t (ts timestamp, cdata int);

DB error: Invalid Sync Configuration
taos> create table t1 (ts timestamp, cdata int);

DB error: Invalid Sync Configuration
taos> create table t1 (ts timestamp, cdata int);

DB error: Invalid Sync Configuration
taos> create table t1 (ts timestamp, cdata int);

DB error: Invalid Sync Configuration
taos>
taos>
taos> exit;
[root@alie5 ~]# taos

Welcome to the TDengine shell from Linux, Client Version:2.0.6.0
Copyright (c) 2017 by TAOS Data, Inc. All rights reserved.

taos> create table t1 (ts timestamp, cdata int);

DB error: Database not specified or available
taos> use demo
-> ;
Database changed.

taos> create table t1 (ts timestamp, cdata int);

DB error: Invalid Vgroup ID
taos> use demo1
-> ;
Database changed.

taos> create table t1 (ts timestamp, cdata int);

DB error: Invalid Sync Configuration
taos>

[codering]

我也吐槽下：

• 大多数人还在问怎么跑起来
• 看不到整个roadmap，毫无期待感
• 看不到每次发版release log，每次升级感觉就是黑盒
• 生产环境慎用，稳定性真的是个问题，经常因为一个看似简单的错误，导致crash
• FQNP没错，错的是实现机制
• 在FQNP解决前，docker环境慎用
• 经常因为错误被建议删除data数据，然后重启，真的很“网吧网管”。如果远程协助，对双方来说成本都很高。

[sangshuduo]

@codering  谢谢建议，我们也在不断改进，希望可以越来越好