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Bug 2256560

Summary: change priority of mds rss perf counter to useful
Product: [Red Hat Storage] Red Hat Ceph Storage Reporter: Santosh Pillai <sapillai>
Component: CephFSAssignee: Venky Shankar <vshankar>
Status: CLOSED ERRATA QA Contact: Hemanth Kumar <hyelloji>
Severity: medium Docs Contact: Akash Raj <akraj>
Priority: medium    
Version: 6.1CC: akraj, ceph-eng-bugs, cephqe-warriors, hyelloji, ngangadh, tserlin
Target Milestone: ---Flags: hyelloji: needinfo-
Target Release: 7.1   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: ceph-18.2.1-2.el9cp Doc Type: Enhancement
Doc Text:
.MDS Resident Segment Size RSS) performance counter is tracked with a higher priority With this enhancement, the MDS Resident Segment Size (or RSS) performance counter is tracked with a higher priority to allow callers to consume its value to generate useful warnings. This allows Rook to identify the MDS RSS size and act accordingly.
 Story Points: ---
Clone Of:
: 2256731 (view as bug list) Environment:
Last Closed: 2024-06-13 14:24:13 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: 2256731, 2267614, 2298578, 2298579    

Description Santosh Pillai 2024-01-03 04:41:46 UTC 
Description of problem:
mds_cache_mem_rss perf counter can be a useful metric to detect the usage of mds cache and detect mds cache oversize before it happens. Requesting to change the priority of the mds_rss metric from Debug to useful



Version-Release number of selected component (if applicable):
NA

How reproducible:
NA

Steps to Reproduce:
1.
2.
3.

Actual results:
NA

Expected results:
NA

Additional info:
Comment 1 RHEL Program Management 2024-01-03 04:41:58 UTC 
Please specify the severity of this bug. Severity is defined here:
https://bugzilla.redhat.com/page.cgi?id=fields.html#bug_severity.
Comment 4 Venky Shankar 2024-01-22 10:00:47 UTC 
Hemanth, to validate this (from cephfs pov) you can run:

> ceph daemonperf mds.<id>

and see if `rss` field shows up in mds_mem section.
Comment 8 errata-xmlrpc 2024-06-13 14:24:13 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 (Critical: Red Hat Ceph Storage 7.1 security, enhancements, 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-2024:3925