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Bug #21975

closed

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

Added by Patrick Donnelly over 6 years ago. Updated about 6 years ago.

Status:
Resolved
Priority:
Urgent
Assignee:
Zheng Yan
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 2 (0 open — 2 closed)

Related to CephFS - Bug #23560: mds: mds gets significantly behind on trimming while creating millions of files (cont.)ResolvedPatrick Donnelly04/04/2018

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Copied to CephFS - Backport #22068: luminous: mds: mds gets significantly behind on trimming while creating millions of filesResolvedZheng YanActions
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 #2

Updated by Patrick Donnelly over 6 years ago

  • Status changed from Fix Under Review to Pending Backport
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 #4

Updated by Patrick Donnelly over 6 years ago

  • Copied to Backport #22068: luminous: mds: mds gets significantly behind on trimming while creating millions of files added
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 #5

Updated by Patrick Donnelly about 6 years ago

  • Status changed from Pending Backport to Resolved
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 #6

Updated by Patrick Donnelly about 6 years ago

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