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Fix #8094

closed

MDS: be accurate about stats in check_rstats

Added by Greg Farnum about 10 years ago. Updated almost 8 years ago.

Status:
Resolved
Priority:
Normal
Assignee:
Zheng Yan
Category:
-
Target version:
-
% Done:

0%

Source:
Development
Tags:
Backport:
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
MDS
Labels (FS):
Pull request ID:
Crash signature (v1):
Crash signature (v2):

Description

We see occasional crashes in CDir::check_rstats function, on

assert(get_num_head_items() == (fnode.fragstat.nfiles + fnode.fragstat.nsubdirs));

There's a problem with that assert: get_num_head_items() is only looking at items in cache. That means that if we do have any real stat issues, we're missing them in the noise. Fix the checks to be accurate.

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