Bug 1929680
| Summary: | [Doc RFE] Document support for better space utilization for small objects | ||
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| Product: | [Red Hat Storage] Red Hat Ceph Storage | Reporter: | Anjana Suparna Sriram <asriram> |
| Component: | Documentation | Assignee: | Ranjini M N <rmandyam> |
| Status: | CLOSED CURRENTRELEASE | QA Contact: | skanta |
| Severity: | high | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 5.0 | CC: | hyelloji, kdreyer, nojha, rmandyam, skanta |
| Target Milestone: | --- | Keywords: | Documentation, FutureFeature |
| Target Release: | 5.0 | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: |
.Small objects and files in RADOS no longer use more space than required
The Ceph Object Gateway and the Ceph file system (CephFS) stores small objects and files as individual objects in RADOS. Previously, objects smaller than BlueStore's default minimum allocation size (`min_alloc_size`) used more space than required. This happened because the earlier default value of BlueStore's `min_alloc_size` was 16 KB for solid state devices (SSDs) and 64 KB for (HDDs). Currently, the default value of `min_alloc_size` for SSDs and HDDs is 4 KB. This enables better use of space with no impact on performance.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2021-09-09 11:57:11 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: | 1952800 | ||
| Bug Blocks: | 1929147 | ||
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Comment 8
skanta
2021-04-22 07:19:00 UTC
In the provided doc noticed that the configurations are setting using ansible-playbook and this is not supported in ceph 5.0. Created a bug for the same. Hence assigning the bug again. Verified the Document mentioned at - https://bugzilla.redhat.com/show_bug.cgi?id=1929680#c13. *** Bug 1952800 has been marked as a duplicate of this bug. *** |