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Bug #24879

mds: create health warning if we detect metadata (journal) writes are slow

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

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.


Related issues

Related to CephFS - Bug #23332: kclient: with fstab entry is not coming up reboot Closed 03/13/2018
Copied to CephFS - Backport #25045: mimic: mds: create health warning if we detect metadata (journal) writes are slow Resolved
Copied to CephFS - Backport #25046: luminous: mds: create health warning if we detect metadata (journal) writes are slow Resolved

History

#1 Updated by Patrick Donnelly over 5 years ago

  • Related to Bug #23332: kclient: with fstab entry is not coming up reboot added

#3 Updated by Zheng Yan over 5 years ago

  • Status changed from New to Fix Under Review

#4 Updated by Patrick Donnelly over 5 years ago

  • Status changed from Fix Under Review to Pending Backport

#5 Updated by Patrick Donnelly over 5 years ago

  • Copied to Backport #25045: mimic: mds: create health warning if we detect metadata (journal) writes are slow added

#6 Updated by Patrick Donnelly over 5 years ago

  • Copied to Backport #25046: luminous: mds: create health warning if we detect metadata (journal) writes are slow added

#7 Updated by Nathan Cutler over 5 years ago

  • Status changed from Pending Backport to Resolved

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