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Feature #3717

open

osd: Make Rebalancing Smarter

Added by Ian Colle over 11 years ago. Updated almost 6 years ago.

Status:
New
Priority:
Normal
Assignee:
-
Category:
-
Target version:
-
% Done:

0%

Source:
Tags:
Backport:
Reviewed:
Affected Versions:
Component(RADOS):
OSD
Pull request ID:

Description

From Corin Langosch - During recovery/ rebalacing it can happen that an osd receives lots of new data before data that should be moved to other nodes is removed. This can (and did for me) result in overloading an osd which was only filled around 60% before rebalancing started. I think ceph should take the disk usage of the osds into account when deciding in which order the rebalancing of the objects should happen (move data from full osds away first and only then copy new data to them).

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 #1

Updated by Patrick Donnelly almost 6 years ago

  • Project changed from Ceph to RADOS
  • Subject changed from Make Rebalancing Smarter to osd: Make Rebalancing Smarter
  • Component(RADOS) OSD added
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