keyvis page is empty when there're many tables in DB

[lance6716]

Bug Report

Please answer these questions before submitting your issue. Thanks!

What did you do?

mysql> SELECT count(*) FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'many_tables';
+----------+
| count(*) |
+----------+
|    99997 |
+----------+
1 row in set (0.37 sec)

What did you expect to see?

What did you see instead?

What version of TiDB Dashboard are you using (./tidb-dashboard --version)?

master