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Type: Bug
Resolution: Fixed
Priority: Major - P3
Fix Version/s: 3.6.0-rc0
Affects Version/s: None
Component/s: Sharding
Labels:
None

Backwards Compatibility:
Fully Compatible
Operating System:
ALL
Sprint:
Sharding 2017-10-02, Sharding 2017-10-23
Linked BF Score:
0

Currently, the schema upgrade work is done in SetFeatureCompatibilityVersionCmd::run(), which is not run when config servers run _configsvrSetFeatureCompatibilityVersion upgrade, and so collections in config do not get assigned UUIDs.

This ticket should make setFeatureCompatibilityVersion take a ResourceMutex so that only one instance of it can run at a time.

It should also prevent a user from initiating downgrade while a previous upgrade has not completed and vice versa.

is depended on by

SERVER-31231 prevent addShard and shardCollection from running concurrently with setFCV

Closed

is duplicated by

SERVER-31214 config server should call setFeatureCompatibilityVersion on itself as part of _configsvrSetFeatureCompatibilityVersion

Closed

related to

SERVER-31017 Race condition in setFeatureCompatibilityVersion command leads to fCV=3.6 and isSchemaVersion36=false

Closed

SERVER-32284 awaitReplication can hang when the optime to wait for does not match the minSnapshot.

Closed

Assignee:: Esha Maharishi (Inactive)

Reporter:: Maria van Keulen

Participants:: Andy Schwerin, Esha Maharishi, Githook User, Maria van Keulen, Tess Avitabile

Votes:: 0 Vote for this issue

Watchers:: 5 Start watching this issue

Created:: Aug 23 2017 02:53:37 PM UTC

Updated:: Oct 30 2023 11:14:05 PM UTC

Resolved:: Oct 09 2017 02:46:23 PM UTC

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