Bug 1611850
| Summary: | [RFE] bluestore: add total osd memory target | ||
|---|---|---|---|
| Product: | [Red Hat Storage] Red Hat Ceph Storage | Reporter: | Josh Durgin <jdurgin> |
| Component: | RADOS | Assignee: | Mark Nelson <mnelson> |
| Status: | CLOSED ERRATA | QA Contact: | Parikshith <pbyregow> |
| Severity: | high | Docs Contact: | Bara Ancincova <bancinco> |
| Priority: | high | ||
| Version: | 3.2 | CC: | anharris, ceph-eng-bugs, ceph-qe-bugs, dzafman, edonnell, gabrioux, hnallurv, kchai, kdreyer, mnelson, nojha, pasik, pbyregow, vumrao |
| Target Milestone: | rc | Keywords: | FutureFeature |
| Target Release: | 3.2 | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | RHEL: ceph-ansible-3.2.0-0.1.rc5.el7cp Ubuntu: ceph-ansible_3.2.0~rc5-2redhat1 | Doc Type: | Enhancement |
| Doc Text: |
.New option: `osd_memory_target`
A new option, `osd_memory_target`, has been added with the release. This option sets a target memory size for OSDs. The BlueStore back end adjusts its cache size and attempts to stay close to this target. The `ceph-ansible` utility automatically adjusts `osd_memory_target` based on host memory. The default value is 4 GiB. The `osd_memory_target` option is set differently for Hyper-converged infrastructure (HCI) and non-HCI setups. To differentiate between them, use the `is_hci` configuration parameter. This parameter is set to `false` by default. To change the default values of `osd_memory_target` and `is_hci`, set them in the `all.yml` file.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2019-01-03 19:01:46 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | |||
| Bug Blocks: | 1595003, 1629656 | ||
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Description
Josh Durgin
2018-08-02 23:43:10 UTC
Hi Parikshith, Do we have any ceph-ansible logs that show what the values of non_hci_safety_factor, is_hci etc. are? Maybe, try changing them and see if they reflect correctly. Just want to make sure that the required parameters have been added to the yaml. is_hci: false hci_safety_factor: 0.2 non_hci_safety_factor: 0.7 osd_memory_target: 4000000000 These values need to provided in all.yml for them to be used. https://github.com/ceph/ceph-ansible/pull/3340 should fix this issue. Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2019:0020 |