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Bug #25099

mds: don't use dispatch queue length to calculate mds load

Added by Zheng Yan 5 months ago. Updated 4 months ago.

Status:
Closed
Priority:
Normal
Assignee:
Category:
-
Target version:
Start date:
07/25/2018
Due date:
% Done:

0%

Source:
Development
Tags:
Backport:
mimic,luminous
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
MDS
Labels (FS):
multimds
Pull request ID:

mds_meta_load_2.png View (79.7 KB) Zheng Yan, 07/25/2018 01:36 PM

mds_meta_load_patched_2.png View - patched mds (84.1 KB) Zheng Yan, 07/25/2018 01:36 PM

History

#1 Updated by Zheng Yan 5 months ago

two clients run "fsstress -d . -p 8 -n 100000 -f sync=0 -f write=0 -f dwrite=0", Attached PNGs are graphes of mds loads.

#2 Updated by Zheng Yan 5 months ago

  • File deleted (mds_meta_load_1.png)

#3 Updated by Zheng Yan 5 months ago

  • File deleted (mds_meta_load_patched_1.png)

#4 Updated by Patrick Donnelly 5 months ago

  • Assignee set to Zheng Yan
  • Target version set to v14.0.0
  • Source set to Development
  • Backport set to mimic,luminous
  • Component(FS) MDS added
  • Labels (FS) multimds added

Zheng, can you share the patch?

#5 Updated by Zheng Yan 4 months ago

  • Status changed from New to Closed

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