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Bug #43251

closed

mds: track client provided metric flags in session

Added by Venky Shankar over 4 years ago. Updated over 4 years ago.

Status:
Resolved
Priority:
Normal
Assignee:
Venky Shankar
Category:
Introspection/Control
Target version:
-
% Done:

0%

Source:
Community (dev)
Tags:
Backport:
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
MDS
Labels (FS):
Pull request ID:
32201
Crash signature (v1):
Crash signature (v2):

Description

With PR https://github.com/ceph/ceph/pull/26004, MDS will start tracking client provided metrics. However, the set of metrics forwarded by kclient (https://tracker.ceph.com/issues/43215) and ceph-fuse (+ libcephfs) will not be the same since it is much harder in the kernel client to track certain metrics. Therefore, clients would need to provide their "metric capabilities" during establishing a session with the MDS. MDS can tag such "missing" metrics as "unavailable".

Related issues 2 (0 open — 2 closed)

Related to CephFS - Feature #36253: cephfs: clients should send usage metadata to MDSs for administration/monitoringResolvedVenky Shankar

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Related to CephFS - Feature #43435: kclient:send client provided metric flags in client metadataResolvedXiubo Li

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