Bug 1775320

Summary:	MDS freed heap pages may grow well beyond target memory usage
Product:	[Red Hat Storage] Red Hat Ceph Storage	Reporter:	Patrick Donnelly <pdonnell>
Component:	CephFS	Assignee:	Patrick Donnelly <pdonnell>
Status:	CLOSED ERRATA	QA Contact:	Hemanth Kumar <hyelloji>
Severity:	medium	Docs Contact:
Priority:	high
Version:	4.0	CC:	ceph-eng-bugs, ceph-qe-bugs, hyelloji, sweil, tchandra, tserlin, ymane
Target Milestone:	rc
Target Release:	4.0
Hardware:	All
OS:	All
Whiteboard:
Fixed In Version:	ceph-14.2.4-65.el8cp, ceph-14.2.4-14.el7cp	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-01-31 12:48:10 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:	1765923

Description Patrick Donnelly 2019-11-21 18:04:44 UTC

Description of problem:

For some workloads, the MDS free heap blocks may grow too large. This was evident in the smallfile workload from bz1765923.

Comment 8 Hemanth Kumar 2020-01-16 03:43:57 UTC

Ran multiple instances of smallfile workload and did not hit this issue, Moving to verified state.

Comment 10 errata-xmlrpc 2020-01-31 12:48:10 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, 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-2020:0312