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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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