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Feature #7515

closed

mon: 'osd crush reweight-subtree <name> <weight>'

Added by Sage Weil about 10 years ago. Updated almost 10 years ago.

Status:
Resolved
Priority:
Normal
Assignee:
-
Category:
-
Target version:
0.83
% Done:

0%

Source:
Community (user)
Tags:
Backport:
Reviewed:
Affected Versions:
Pull request ID:

Description

The 'osd crush reweight ...' command only lets you reweight a single item. In a large cluster, it may be helpful to slowly bring an entire host, rack, or DC online, and adjusting the crush weights across many devices is tedious and error-prone.

This would let you specify a subtree node (like a host or rack) and would set the weight for every leaf item contained beneath that point.

This came up during an in-depth architecture discussion for a very large scale deployment.

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 #1

Updated by Sage Weil about 10 years ago

  • Description updated (diff)
  • Source changed from other to Community (user)
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 #2

Updated by Sage Weil almost 10 years ago

  • Target version set to 0.83
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 #3

Updated by Sage Weil almost 10 years ago

  • Subject changed from mon: 'osd crush reweight-recursive <name> <weight>' to mon: 'osd crush reweight-subtree <name> <weight>'
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 #4

Updated by Sage Weil almost 10 years ago

  • Status changed from New to Fix Under Review
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 #5

Updated by Sage Weil almost 10 years ago

  • Status changed from Fix Under Review to Resolved
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