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Feature #26996

closed

cephfs: get capability cache hits by clients to provide introspection on effectiveness of client caching

Added by Patrick Donnelly over 5 years ago. Updated almost 4 years ago.

Status:
Resolved
Priority:
High
Assignee:
Category:
Introspection/Control
Target version:
% Done:

0%

Source:
Development
Tags:
Backport:
Reviewed:
Affected Versions:
Component(FS):
Client, MDS, kceph
Labels (FS):
task(intern), task(medium)
Pull request ID:

Description

This is potentially useful to identify workloads running on clients.

The idea is that the client will keep track of how often it uses a cap as part of satisfying some request. When it gives the cap back to the MDS (or perhaps more frequently), it should include the number of times it used the cap.


Related issues 5 (0 open5 closed)

Related to CephFS - Bug #36252: cephfs: `ceph fs top` commandDuplicate

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Related to CephFS - Feature #24285: mgr: add module which displays current usage of file system (`fs top`)ResolvedVenky Shankar

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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 #38153: client: proactively release caps it is not usingClosedZheng Yan

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Has duplicate CephFS - Feature #39982: cephfs client periodically report cache utilisation to MDS serverDuplicate05/20/2019

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