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Bug #36703
closedMDS admin socket command `dump cache` with a very large cache will hang/kill the MDS
% Done:
0%
Source:
Community (dev)
Tags:
Backport:
luminous,mimic
Regression:
No
Severity:
2 - major
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
MDS
Labels (FS):
Pull request ID:
Crash signature (v1):
Crash signature (v2):
Description
The MDS tries to dump the cache to a formatter which will not work well if the MDS cache is too large (probably starting around 1GB).
Till we fully fix the underlying issue, MDS can err back if the cache is too large to dump. Need to do tests with large cache sizes to determine the limit.
Updated by Venky Shankar over 5 years ago
- Status changed from In Progress to Fix Under Review
Updated by Patrick Donnelly over 5 years ago
- Status changed from Fix Under Review to Pending Backport
- Pull request ID set to 24991
Updated by Nathan Cutler over 5 years ago
- Copied to Backport #37608: luminous: MDS admin socket command `dump cache` with a very large cache will hang/kill the MDS added
Updated by Nathan Cutler over 5 years ago
- Copied to Backport #37609: mimic: MDS admin socket command `dump cache` with a very large cache will hang/kill the MDS added
Updated by Patrick Donnelly about 5 years ago
- Status changed from Pending Backport to Resolved
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