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Bug #21975

MDS: mds gets significantly behind on trimming while creating millions of files

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

Status:
Resolved
Priority:
Urgent
Assignee:
Category:
-
Target version:
-
% Done:

0%

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

Description

During creat() heavy workloads, the MDS gets behind on trimming its journal as the journal grows faster than it trims.

See also: https://bugzilla.redhat.com/show_bug.cgi?id=1507629


Related issues

Related to CephFS - Bug #23560: mds: mds gets significantly behind on trimming while creating millions of files (cont.) Resolved 04/04/2018
Copied to CephFS - Backport #22068: luminous: mds: mds gets significantly behind on trimming while creating millions of files Resolved

History

#2 Updated by Patrick Donnelly about 5 years ago

  • Status changed from Fix Under Review to Pending Backport

#4 Updated by Patrick Donnelly about 5 years ago

  • Copied to Backport #22068: luminous: mds: mds gets significantly behind on trimming while creating millions of files added

#5 Updated by Patrick Donnelly about 5 years ago

  • Status changed from Pending Backport to Resolved

#6 Updated by Patrick Donnelly almost 5 years ago

  • Related to Bug #23560: mds: mds gets significantly behind on trimming while creating millions of files (cont.) added

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