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Bug #42515

fs: OpenFileTable object shards have too many k/v pairs

Added by Patrick Donnelly 11 months ago. Updated 4 months ago.

Status:
Resolved
Priority:
High
Assignee:
Category:
-
Target version:
% Done:

0%

Source:
Community (user)
Tags:
Backport:
nautilus,mimic
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
MDS
Labels (FS):
Pull request ID:
Crash signature:

Description

Since #40583 lowered the omap k/v limit to 200k, we've been seeing messages from deep scrubs showing the open file table is using too many k/v pairs.

We should match or use the osd_deep_scrub_large_omap_object_key_threshold value. Currently the MDS hardcodes a value of 1 million [1].

[1] https://github.com/ceph/ceph/blob/master/src/mds/OpenFileTable.h#L72


Related issues

Related to RADOS - Bug #40583: Lower the default value of osd_deep_scrub_large_omap_object_key_threshold Resolved 06/28/2019
Copied to fs - Backport #43784: nautilus: fs: OpenFileTable object shards have too many k/v pairs Resolved
Copied to fs - Backport #43785: mimic: fs: OpenFileTable object shards have too many k/v pairs Rejected

History

#1 Updated by Patrick Donnelly 11 months ago

  • Related to Bug #40583: Lower the default value of osd_deep_scrub_large_omap_object_key_threshold added

#3 Updated by Vikhyat Umrao 11 months ago

  • Status changed from New to In Progress
  • Assignee set to Vikhyat Umrao

#4 Updated by Vikhyat Umrao 11 months ago

  • Status changed from In Progress to Fix Under Review
  • Pull request ID set to 31232

#5 Updated by Vikhyat Umrao 11 months ago

  • Status changed from Fix Under Review to 7

#6 Updated by Patrick Donnelly 10 months ago

  • Status changed from 7 to Fix Under Review

#7 Updated by Patrick Donnelly 8 months ago

  • Status changed from Fix Under Review to Pending Backport

#8 Updated by Nathan Cutler 8 months ago

  • Copied to Backport #43784: nautilus: fs: OpenFileTable object shards have too many k/v pairs added

#9 Updated by Nathan Cutler 8 months ago

  • Copied to Backport #43785: mimic: fs: OpenFileTable object shards have too many k/v pairs added

#10 Updated by Nathan Cutler 4 months ago

  • Status changed from Pending Backport to Resolved

While running with --resolve-parent, the script "backport-create-issue" noticed that all backports of this issue are in status "Resolved" or "Rejected".

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