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Type: Bug
Resolution: Done
Priority: Blocker - P1
Fix Version/s: 2.2.1, 2.3.0
Affects Version/s: 2.2.0
Component/s: Replication, Storage
Labels:
- rsi

Backwards Compatibility:
Fully Compatible
Operating System:
ALL
Confidence Status:
None
Work Order:
0
CAR Domain/s:
None

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

In 2.0.x, oplog entries are applied one at a time on each secondary. Thus, on a restart after a shutdown, only a single op can be applied twice. In 2.2.0, ops are applied in batches, so on a restart, potentially all the ops in the last batch can be reapplied. There are certain sequences of ops that violate idempotency guarantees needed to insure proper replication. In 2.2.0, if we detect such a sequence, the secondary halts replication and shuts down, unable to come back online.

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mongod.log
Nov 05 2012 08:51:01 AM UTC
6 kB
Rotem Hermon

is duplicated by

SERVER-7242 Fatal error when upgrading to Mongo 2.2.0

Closed

is related to

SERVER-7198 Do not go into rollback before reaching minvalid

Closed

SERVER-7199 Bump minvalid when recloning ops on initial sync

Closed

related to

SERVER-6671 oplog is not strictly idempotent when unique index is present

Closed

SERVER-3407 oplog is not idempotent for array operators, which could lead to silent data corruption (without journalling)

Closed

SERVER-4781 replica set initial sync failure when update cannot be applied to a future version of an object received via clone

Closed

SERVER-4943 $pop operator may replicate incorrectly

Closed

SERVER-4944 $pull operator may replicate incorrectly

Closed

SERVER-4945 $addToSet operator may replicate incorrectly

Closed

SERVER-5961 $push array size constraint can cause incorrect replication of another field during initial sync

Closed

SERVER-6669 update lacking positional match creates bad document

Closed

SERVER-7177 state transition for replica sets isn't correct

Closed

SERVER-7551 _id Unique key violation during initial sync

Closed

(8 related to)

Assignee:: Alberto Lerner (Inactive)
Reporter:: Ian Whalen (Inactive)
Participants:: Alberto Lerner, auto, Eric Milkie, Ian Whalen, Rotem Hermon
Votes:: 9 Vote for this issue
Watchers:: 19 Start watching this issue

Created:: Sep 27 2012 06:52:08 PM UTC
Updated:: Jul 11 2016 05:57:06 PM UTC
Resolved:: Oct 23 2012 06:25:05 PM UTC
Confidence Status Last Update:: 17/Oct/12 3:51 PM

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