Bug #68431 mistake of one word
Submitted: 19 Feb 2013 14:03 Modified: 8 Mar 2013 19:02
Reporter: li pickup (OCA) Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Documentation Severity:S3 (Non-critical)
Version:5.6 OS:Any
Assigned to: John Russell CPU Architecture:Any
Tags: document

[19 Feb 2013 14:03] li pickup
Description:
When the innodb_max_dirty_pages_pct threshold is crossed, InnoDB can begin aggressively flushing pages to disk. The innodb_adaptive_flushing_lwm option specifies a higher value at which InnoDB begins gently flushing pages, ideally preventing the percentage of dirty pages from reaching innodb_max_dirty_pages_pct. A value of innodb_max_dirty_pages_pct_lwm=0 disables this “preflushing” behavior.

the innodb_adaptive_flushing_lwm here should be innodb_max_dirty_pages_pct_lwm?

How to repeat:
N/A

Suggested fix:
When the innodb_max_dirty_pages_pct threshold is crossed, InnoDB can begin aggressively flushing pages to disk. The innodb_max_dirty_pages_pct_lwm option specifies a higher value at which InnoDB begins gently flushing pages, ideally preventing the percentage of dirty pages from reaching innodb_max_dirty_pages_pct. A value of innodb_max_dirty_pages_pct_lwm=0 disables this “preflushing” behavior.
[19 Feb 2013 15:19] MySQL Verification Team
Changing of the wording of some of the start-up variables is a double edged sword. Because, variable's name can't be changed. You can only add yet another variable that would do the same thing, because we can not expect from our users and customers to change their configuration files. Furthermore, as much as it could be announced, majority of installations would one day refuse to start, due to a change in variable name.

I am setting this bug in "To be fixed later", because we might review one day several variables.
[20 Feb 2013 14:08] MySQL Verification Team
If I'm not mistaken, the bug report is about the documentation, not about the server.   The offending sentence is from this page:
http://dev.mysql.com/doc/refman/5.6/en/innodb-performance.html
[8 Mar 2013 19:02] John Russell
Changed the name of the variable in this usage text, as requested.