Mark part of buffer pool as unusable
Bug #732566 reported by
Baron Schwartz
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | ||
---|---|---|---|---|---|---|
Percona Server moved to https://jira.percona.com/projects/PS | Status tracked in 5.7 | |||||
5.1 |
Won't Fix
|
Wishlist
|
Unassigned | |||
5.5 |
Won't Fix
|
Wishlist
|
Unassigned | |||
5.6 |
Won't Fix
|
Wishlist
|
Unassigned | |||
5.7 |
Fix Released
|
Wishlist
|
Unassigned |
Bug Description
On servers with lots of memory, a restart to shrink the buffer pool can be too expensive, but it is needed when the server is swapping. Instead, mark some number of pages in the pool as unusable, so they get swapped out and never get swapped in. This feature needs to be dynamically configurable.
Changed in percona-server: | |
importance: | Undecided → Wishlist |
Changed in percona-server: | |
status: | New → Triaged |
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There seems to be bug open on mysql.com related to this -- http:// bugs.mysql. com/bug. php?id= 51849