tripleo-heat-templates/releasenotes/notes/tuned_custom_profile-25d1f4a2bc217216.yaml
John Fulton bc0246ff8a Add TunedCustomProfile parameter and HCI Ceph filestore environment
Add TunedCustomProfile parameter which may contain a string in
INI format describing a custom tuned profile. Also provide a new
environment file for users of hypercoverged Ceph deployments
using the Ceph filestore storage backened. The tuned profile is
based on heavy I/O load testing. The provided environment file
creates /etc/tuned/ceph-filestore-osd-hci/tuned.conf whose
content is the following and sets this tuned profile to be active.

[main]
summary=ceph-osd Filestore tuned profile
include=throughput-performance
[sysctl]
vm.dirty_ratio = 10
vm.dirty_background_ratio = 3
[sysfs]
/sys/kernel/mm/ksm/run=0

Depends-On: Iba17d86bbdd710623ba1ba44b1ea5d4c1b99c541
Change-Id: Iaa1c82cefac5c8f2959fd7aeb57bd6860fd9096a
Closes-Bug: #1800232
2018-12-10 22:26:06 +00:00

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684 B
YAML

---
features:
- |
Add new TunedCustomProfile parameter which may contain a string
in INI format describing a custom tuned profile. Also provide a
new environment file for users of hypercoverged Ceph deployments
using the Ceph filestore storage backened. The tuned profile is
based on heavy I/O load testing. The provided environment file
creates /etc/tuned/ceph-filestore-osd-hci/tuned.conf and sets
this tuned profile to be active. Not intended for use with Ceph
bluestore.
fixes:
- |
CephOSD/Compute nodes crash under memory pressure unless custom tuned profile is used
(`bug 1800232 <https://bugs.launchpad.net/tripleo/+bug/1800232>`__).