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Type: Task
Resolution: Fixed
Priority: Major - P3
Fix Version/s: 4.9.0
Affects Version/s: None
Component/s: Sharding
Labels:
- PM-234-M2
- PM-234-T-lifecycle

Backwards Compatibility:
Fully Compatible
Sprint:
Sharding 2020-09-21, Sharding 2020-10-05, Sharding 2020-10-19, Sharding 2020-11-02, Sharding 2020-11-16
Confidence Status:
None
Work Order:
3
CAR Domain/s:
None

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

disable the balancer
prohibit external users from causing migrations via moveChunk

Add an optional isFrozen field for each collection in config.collections.
isFrozen = true overrules the noBalance field for the collection if specified (even if noBalance = false, isFrozen = true disallows the balancer from running)

causes

SERVER-76004 Remove incorrect sharding tassert in getOwnershipFilter function

Closed

depends on

SERVER-51891 Make ShardCollectionType not use strict parsing

Closed

related to

SERVER-53140 Ensure that allowMigrations setting gets copied over from the enqueued to the persisted sharding metadata when combining CollAndChangedChunks structs

Closed

SERVER-56226 [v4.4] Introduce 'permitMigrations' field on config.collections entry to prevent chunk migrations from committing

Closed

SERVER-56227 Add user-facing command to set allowMigrations to false for a sharded collection

Closed

SERVER-58082 Fail resharding operation if allowMigrations has already been set to false

Closed

(1 related to)

Assignee:: Kaloian Manassiev
Reporter:: Blake Oler
Participants:: Blake Oler, Githook User, Haley Connelly, Kaloian Manassiev, Max Hirschhorn
Votes:: 0 Vote for this issue
Watchers:: 7 Start watching this issue

Created:: Jul 30 2020 08:16:43 PM UTC
Updated:: Apr 25 2025 11:01:33 AM UTC
Resolved:: Nov 11 2020 03:06:44 PM UTC
Confidence Status Last Update:: 29/Oct/20 5:19 PM

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