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Update INTERNALS.md #419

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Wrong value about innodb_buffer_pool_instances with MySQL 5.6 #419
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Jean-Marie Renouard 2019-01-07 11:01:54 +01:00 committed by GitHub
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@ -216,9 +216,7 @@
* innodb_buffer_pool instances = round(innodb_buffer_pool_size / 1Go)
* innodb_buffer_pool instances must be equals or lower than 64
- However, this variable is already set to default value 1.
- If you read note in MySQL 5.6 Reference Manual:
- A bug in MySQL 5.6 causes SHOW VARIABLES to report an innodb_buffer_pool_instances value of 8 when innodb_buffer_pool_size is less than 1GB and only one buffer pool instance is present (Bug #18343670).
- A bug in MySQL 5.6 causes SHOW VARIABLES to report an innodb_buffer_pool_instances value of 8 when innodb_buffer_pool_size is less than 1GB and only one buffer pool instance is present (Bug #18343670).
* InnoDB Buffer Pool Usage
* If more than 20% of InnoDB buffer pool is not used, MySQLTuner raise an alert.