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Bug 1930264

Summary:	[CEE] [RR Cluster] OSD hitting slow request during cluster upgrade from RHCS 3.3z4 to RHCS 4.1z3
Product:	[Red Hat Storage] Red Hat Ceph Storage	Reporter:	Mike Hackett <mhackett>
Component:	RADOS	Assignee:	Neha Ojha <nojha>
Status:	CLOSED ERRATA	QA Contact:	Pawan <pdhiran>
Severity:	urgent	Docs Contact:	Amrita <asakthiv>
Priority:	urgent
Version:	3.3	CC:	akupczyk, asakthiv, bhubbard, ceph-eng-bugs, dzafman, gsitlani, jbiao, kchai, nojha, owasserm, pdhange, pdhiran, rzarzyns, sseshasa, tpetr, tserlin, vereddy, vumrao
Target Milestone:	---
Target Release:	4.2z2
Hardware:	x86_64
OS:	Linux
Whiteboard:
Fixed In Version:	ceph-14.2.11-157.el8cp, ceph-14.2.11-157.el7cp	Doc Type:	Bug Fix
Doc Text:	.Enabling `bluefs_buffered_io` prevents performance degradation Previously, the option `bluefs_buffered_io` was disabled which led to slow operations of RocksDB and OMAP interactions in certain scenarios.With this release the option `bluefs_buffered_io` is set to `True` , thereby preventing performance degradation.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-06-15 17:13:43 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:
Bug Blocks:	1890121

Comment 9 Neha Ojha 2021-04-29 18:38:32 UTC

*** Bug 1906595 has been marked as a duplicate of this bug. ***

Comment 10 Neha Ojha 2021-05-07 22:39:39 UTC

*** Bug 1933755 has been marked as a duplicate of this bug. ***

Comment 22 errata-xmlrpc 2021-06-15 17:13:43 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 (Important: Red Hat Ceph Storage 4.2 Security and Bug Fix Update), 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/RHSA-2021:2445