[DOCS-6672] Add prodnotes recommendation to tune vm.min_free_kbytes on older Linux kernels Created: 30/Nov/15  Updated: 30/Oct/23  Resolved: 06/Mar/23

Status: Closed
Project: Documentation
Component/s: Server
Affects Version/s: None
Fix Version/s: Server_Docs_20231030

Type: Improvement Priority: Major - P3
Reporter: Kevin Pulo Assignee: Andrew Aldridge
Resolution: Done Votes: 1
Labels: docs-prod-notes-cleanup
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
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Participants:
Days since reply: 8 years, 11 weeks, 2 days ago

 Description   

mongod has been observed to experience stalls under some workloads when running on older Linux kernels (3.2.0), on large RAM systems (~60GB or higher), with default vm.min_free_kbytes (66MB) (or less).

If these older kernels need to be used on large memory systems, vm.min_free_kbytes should be tuned to 128MB or higher.


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