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Bug #24879
closedmds: create health warning if we detect metadata (journal) writes are slow
Status:
Resolved
Priority:
Urgent
Assignee:
Category:
Administration/Usability
Target version:
% Done:
0%
Source:
Development
Tags:
Backport:
mimic,luminous
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
MDS, MDSMonitor
Labels (FS):
task(medium)
Pull request ID:
Crash signature (v1):
Crash signature (v2):
Description
This can have wide-ranging effects including session establishment taking a long time (sessions are journaled). Let's have the MDS keep track of the average RTT for metadata writes and create a health warning if it detects slowness.
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