[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 |
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| 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 |
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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. |