Remove buffer_pool shm in PS5.5

Registered by Stewart Smith

due to buffer pool shm being very invasive and unused, we will remove it. Functionality is better served by the (much safer) LRU dump/restore patch.

replace with patch that keeps the configuration variable for my.cnf compatibility and prints warning about deprecated option.

Blueprint information

Status:
Complete
Approver:
Stewart Smith
Priority:
High
Drafter:
Stewart Smith
Direction:
Approved
Assignee:
None
Definition:
Approved
Series goal:
Accepted for 5.5
Implementation:
Implemented
Milestone target:
milestone icon 5.5.13-20.4
Started by
Stewart Smith
Completed by
Stewart Smith

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