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Bug #21221

MDCache::try_subtree_merge() may print N^2 lines of debug message

Added by Zheng Yan about 2 years ago. Updated about 2 years ago.

Status:
Resolved
Priority:
Normal
Category:
-
Target version:
Start date:
09/04/2017
Due date:
% Done:

0%

Source:
Q/A
Tags:
Backport:
luminous
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
MDS
Labels (FS):
Pull request ID:

Description

MDCache::try_subtree_merge(dirfrag) calls MDCache::try_subtree_merge_at() for each subtree in the dirfrag. try_subtree_merge_at() calls MDCache::show_subtrees(15). If there are N subtrees in the dirfrag and debug_mds >= 15. MDCache::try_subtree_merge(dirfrag) print N^2 lines of debug message


Related issues

Copied to fs - Backport #21323: luminous: MDCache::try_subtree_merge() may print N^2 lines of debug message Resolved

History

#1 Updated by Zheng Yan about 2 years ago

  • Subject changed from MDCache::try_subtree_merge() may print N^2 debug message to MDCache::try_subtree_merge() may print N^2 lines of debug message

#2 Updated by Patrick Donnelly about 2 years ago

  • Status changed from New to Need Review
  • Assignee set to Patrick Donnelly
  • Target version set to v12.2.0
  • Source set to Q/A
  • Backport set to luminous
  • Component(FS) MDS added

#3 Updated by Patrick Donnelly about 2 years ago

  • Status changed from Need Review to Pending Backport

#4 Updated by Nathan Cutler about 2 years ago

  • Copied to Backport #21323: luminous: MDCache::try_subtree_merge() may print N^2 lines of debug message added

#5 Updated by Patrick Donnelly about 2 years ago

  • Status changed from Pending Backport to Resolved

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