Bug #101513 Relationship between two system variables are not clearly expressed.
Submitted: 9 Nov 2020 4:40 Modified: 22 Jan 18:36
Reporter: Zhou Shu Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Documentation Severity:S3 (Non-critical)
Version:5.7, 8.0 OS:Any
Assigned to: CPU Architecture:Any

[9 Nov 2020 4:40] Zhou Shu
Description:
System variable 'innodb_max_dirty_pages_pct_lwm' must be not higher than 'innodb_max_dirty_pages_pct' when configuring Buffer Pool Flushing.

How to repeat:
When configuring Buffer Pool Flushing, the explanation of 'innodb_max_dirty_pages_pct_lwm' and 'innodb_max_dirty_pages_pct' is a little confusing, to clarify the relationship, it is better to add "'innodb_max_dirty_pages_pct_lwm' must be not higher than 'innodb_max_dirty_pages_pct'" in https://dev.mysql.com/doc/refman/5.7/en/innodb-buffer-pool-flushing.html .
[9 Nov 2020 5:32] MySQL Verification Team
Hello Zhou Shu,

Thank you for the report and feedback.

regards,
Umesh
[22 Jan 18:36] Daniel Price
Posted by developer:
 
The referenced documentation was updated as suggested. The change should appear online soon.
Thank you for the bug report.