[SERVER-21867] WiredTiger oplog cursor can return repeated segments Created: 11/Dec/15  Updated: 17/Nov/16  Resolved: 29/Dec/15

Status: Closed
Project: Core Server
Component/s: Storage
Affects Version/s: 3.2.0
Fix Version/s: 3.2.1, 3.3.0

Type: Bug Priority: Critical - P2
Reporter: Scott Hernandez (Inactive) Assignee: Scott Hernandez (Inactive)
Resolution: Done Votes: 0
Labels: code-only
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Duplicate
is duplicated by SERVER-21985 WiredTiger range scans can see out of... Closed
Related
related to SERVER-21930 Restart oplog query if oplog entries ... Closed
related to SERVER-21962 Add testing hook for detecting anomal... Closed
is related to WT-2307 Internal page splits can corrupt curs... Closed
Backwards Compatibility: Fully Compatible
Operating System: ALL
Backport Completed:
Sprint: QuInt E (01/11/16)
Participants:

 Description   

It seems like from replication queries (during getmores) we can see an open tailing oplog cursor returning repeated segments of the oplog to clients.



 Comments   
Comment by Githook User [ 05/Jan/16 ]

Author:

{u'username': u'scotthernandez', u'name': u'Scott Hernandez', u'email': u'scotthernandez@gmail.com'}

Message: SERVER-21867: Throw WCE when next isn't next for WTRecordStore or WTIndex during forward iteration
Branch: master
https://github.com/mongodb/mongo/commit/490baef98fde3131a5a328c1f809ab02cecd5c62

Comment by Githook User [ 05/Jan/16 ]

Author:

{u'username': u'scotthernandez', u'name': u'Scott Hernandez', u'email': u'scotthernandez@gmail.com'}

Message: SERVER-21867: Throw WCE when next isn't next for WTRecordStore or WTIndex during forward iteration

(cherry picked from commit 490baef98fde3131a5a328c1f809ab02cecd5c62)
Branch: v3.2
https://github.com/mongodb/mongo/commit/a14d55980c2cdc565d4704a7e3ad37e4e535c1b2

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