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Bug #40159

open

mds: openfiletable prefetching large amounts of inodes lead to mds start failure

Added by Xuehan Xu almost 5 years ago. Updated 6 days ago.

Status:
Fix Under Review
Priority:
Normal
Assignee:
Category:
Performance/Resource Usage
Target version:
% Done:

0%

Source:
Community (dev)
Tags:
Backport:
reef quincy squid
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

Recently, we found that both mdses of one of our cluster can't boot to up:active

After debugging, we believe this is due to openfiletable's prefetch phase is forced to load large amounts of "opened" inodes even if their caps are dropped by clients when reconnecting.

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