Bug 1888871

Summary: [Intel Feat] Ceph: IOC (Immutable Object Cache) shared RO cache for RBD (NVMe)
Product: [Red Hat Storage] Red Hat Ceph Storage Reporter: AA <anantha.adiga>
Component: RBDAssignee: Ilya Dryomov <idryomov>
Status: CLOSED ERRATA QA Contact: Harish Munjulur <hmunjulu>
Severity: high Docs Contact:
Priority: unspecified    
Version: 5.0CC: bniver, brault, cbodley, ceph-eng-bugs, hmunjulu, idryomov, kbader, kdreyer, mbenjamin, sweil, vivian.zhu
Target Milestone: ---   
Target Release: 5.0   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: ceph-16.0.0-8633.el8cp Doc Type: No Doc Update
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-08-30 08:26:43 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: 1813971    
Bug Blocks: 1878238    

Description AA 2020-10-16 02:07:10 UTC
Purpose: This Feature entry is for tracking development progress and delivery time line risk. It is a new feature request.
Description
1.Feature Overview: Add immutable object cache for RBD to improve block storage latency.
2.Feature Description: Immutable object cache for RBD
3.Business Reason for Enabling Features: To promote Intel Optane SSD's business.
a)Market: Optane SSD
b)Use Case: Add client cache for Ceph librbd immutable object to achieve higher IOPS and lower latency for VM boot storm.
4.Feature Details:
a)Architectures: 64-bit Intel EM64T/AMD64 : No restriction.
b)Architecture Tie-in: Optane SSD
c)Bugzilla Dependencies: No
d)Drivers or hardware dependencies: No
e)Configuration Setup
f) Dependencies Enablement
g) Upstream acceptance information:
h) External links: PR#25545, #27285, #35037
https://github.com/ceph/ceph/pull/25545
https://github.com/ceph/ceph/pull/27285
https://github.com/ceph/ceph/pull/35037
5.Combined Priority (H,M,L): High
6.Feature Commitment: Both parties agreed on feature delivery on a schedule
7.Risk: Medium
8.Delivery Schedule Upstream: Pacific
9.Delivery Schedule Downstream: RHCS 5.1
10.Partner contact at Red Hat, email, phone (chat): mbenjami
11.Partner/your contact information: mbenjami

Comment 1 Vivian 2020-12-09 03:15:24 UTC
Map to Intel JIRA DB: https://jira.devtools.intel.com/browse/OTCCS-1666

Comment 4 Harish Munjulur 2021-04-25 12:17:31 UTC
QA verified.

Comment 7 errata-xmlrpc 2021-08-30 08:26:43 UTC
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 (Red Hat Ceph Storage 5.0 bug fix and enhancement), 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-2021:3294