tripleo-heat-templates/releasenotes/notes/tuned_custom_profile-25d1f4...

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---
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>`__).