Project

General

Profile

Bug #36192

Internal fragment of ObjectCacher

Added by Zheng Yan 3 months ago. Updated about 1 month ago.

Status:
Pending Backport
Priority:
High
Assignee:
Category:
-
Target version:
Start date:
Due date:
% Done:

0%

Source:
Development
Tags:
Backport:
mimic,luminous,jewel
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
osdc
Labels (FS):
Pull request ID:

Description

ObjectCacher::Object::merge_left() may cause severe internal fragments if both buffer head only have a few data (both buffer head have 4K preallocated space)


Related issues

Copied to fs - Backport #36642: luminous: Internal fragment of ObjectCacher In Progress
Copied to fs - Backport #36643: mimic: Internal fragment of ObjectCacher Resolved
Copied to fs - Backport #36664: jewel: Internal fragment of ObjectCacher In Progress

History

#1 Updated by Patrick Donnelly 3 months ago

  • Assignee set to Zheng Yan
  • Priority changed from Normal to High
  • Target version set to v14.0.0
  • Start date deleted (09/26/2018)
  • Source set to Development
  • Backport set to mimic,luminous
  • Component(FS) osdc added

#3 Updated by Patrick Donnelly 3 months ago

  • Status changed from New to Need Review

#4 Updated by Andras Pataki 2 months ago

I've applied this patch on 12.2.7, rebuilt ceph-fuse and ran my test case that originally produced this issue. Happy to report that the ceph-fuse memory usage is now stable after several days of running.

#5 Updated by Jason Dillaman about 2 months ago

  • Status changed from Need Review to Pending Backport

#6 Updated by Patrick Donnelly about 1 month ago

  • Copied to Backport #36642: luminous: Internal fragment of ObjectCacher added

#7 Updated by Patrick Donnelly about 1 month ago

  • Copied to Backport #36643: mimic: Internal fragment of ObjectCacher added

#8 Updated by Jason Dillaman about 1 month ago

  • Backport changed from mimic,luminous to mimic,luminous,jewel

#9 Updated by Jason Dillaman about 1 month ago

  • Copied to Backport #36664: jewel: Internal fragment of ObjectCacher added

Also available in: Atom PDF