[Bug]: failed to set global max_allowed_packet

[xzxiong]

Is there an existing issue for the same bug?

• I have checked the existing issues.

Branch Name

2.0-dev

Commit ID

bfd6fa3

Other Environment Information

- Hardware parameters:
- OS type:
- Others:

Actual Behavior

mysql> set global max_allowed_packet = 134217728;
ERROR 20101 (HY000): internal error: convert to the system variable int type failed
mysql> select 134217728 >> 20;
+-----------------+
| 134217728 >> 20 |
+-----------------+
|             128 |
+-----------------+
1 row in set (0.00 sec)

mysql> select git_version();
+---------------+
| git_version() |
+---------------+
| bfd6fa37f     |
+---------------+
1 row in set (0.00 sec)

Expected Behavior

No response

Steps to Reproduce

mysql> set global max_allowed_packet = 134217728;

Additional information

No response

[ck89119]

max_allowed_packet最大值限制的问题，当前max_allowed_packet可设置的最大值是64M，之前最大值是1G不确定什么原因改成了64M；经与产品沟通，最大值改回1G。