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Feature #2421

closed

crush: quantitatively validate mapping quality

Added by Sage Weil almost 12 years ago. Updated almost 7 years ago.

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

30%

Spent time:
4:00 h
Source:
Tags:
Backport:
Reviewed:
Affected Versions:
Component(RADOS):
Pull request ID:

Description

- measure variance of resulting mapping vs expected (based on weights)
- give some quantitative comparison with expected variance
- include tests when some devices are marked out or partially out
- for random/uniform subset of buckets, and those buckets' items
(so we can e.g. test small subset of buckets with most/all devices out)

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 #1

Updated by Sage Weil almost 12 years ago

  • Description updated (diff)
  • Category set to 10
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 #2

Updated by Sage Weil almost 12 years ago

  • Translation missing: en.field_story_points set to 8
  • Translation missing: en.field_position deleted (6)
  • Translation missing: en.field_position set to 6
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 #3

Updated by Sage Weil almost 12 years ago

  • Target version set to v0.48
  • Translation missing: en.field_position deleted (6)
  • Translation missing: en.field_position set to 1251
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 #4

Updated by Sage Weil almost 12 years ago

  • Assignee set to caleb miles
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 #5

Updated by caleb miles almost 12 years ago

  • Start date set to 05/17/2012
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 #6

Updated by caleb miles almost 12 years ago

  • % Done changed from 0 to 30
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 #7

Updated by Sage Weil almost 12 years ago

  • Status changed from New to Resolved
  • Translation missing: en.field_position deleted (1259)
  • Translation missing: en.field_position set to 1259
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 #8

Updated by Greg Farnum almost 7 years ago

  • Project changed from Ceph to RADOS
  • Category deleted (10)
  • Target version deleted (v0.48)
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