One Billion Tables in MySQL 8.0 With ZFS

The Short Version

I created > one billion InnoDB tables in MySQL 8.0 (tables, not rows) just for fun. Here is the proof:

$ mysql -A
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 1425329
Server version: 8.0.12 MySQL Community Server - GPL
Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.
mysql> select count(*) from information_schema.tables;
+------------+
| count(*) |
+------------+
| 1011570298 |
+------------+
1 row in set (6 hours 57 min 6.31 sec)

Yes, it took 6 hours and 57 minutes to count them all!

Source de l’article sur DZONE

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