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Type: Bug
Resolution: Duplicate
Priority: Major - P3
Fix Version/s: None
Affects Version/s: 2.4.8, 2.6.4
Component/s: MapReduce, Sharding
Labels:
None

Operating System:
ALL
Confidence Status:
None
Work Order:
3

Aha! Reference:
None
Tracking Level:
None
Risk Status:
None
Exec Notes:
None
Goal Name:
None
Goal Link:
None

When you finish any sharded:true output run of MapReduce, it leaves orphans in the shards from the end of first pass and then those influence subsequent runs.

duplicates

SERVER-7926 Map Reduce with sharded output can apply reduce on duplicate documents if a migration happened

Closed

related to

SERVER-14269 Map Reduce fails with duplicate-key when output is 'merge' and sharded.

Closed

Assignee:: Greg Studer (Inactive)
Reporter:: Asya Kamsky
Participants:: Asya Kamsky, Greg Studer
Votes:: 0 Vote for this issue
Watchers:: 5 Start watching this issue

Created:: Aug 25 2014 04:17:20 PM UTC
Updated:: Jun 25 2015 06:39:35 PM UTC
Resolved:: Aug 27 2014 06:45:01 PM UTC

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