[SERVER-53939] Write test for resharding a collection with a large number of chunks Created: 21/Jan/21  Updated: 29/Oct/23  Resolved: 25/May/21

Status: Closed
Project: Core Server
Component/s: Sharding
Affects Version/s: None
Fix Version/s: 5.0.0-rc1, 5.1.0-rc0

Type: Task Priority: Major - P3
Reporter: Max Hirschhorn Assignee: Janna Golden
Resolution: Fixed Votes: 0
Labels: PM-234-M3
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Backports
Related
is related to SERVER-57095 Increase number of zones in reshardin... Closed
Backwards Compatibility: Fully Compatible
Backport Requested:
v5.0
Sprint: Sharding 2021-05-17, Sharding 2021-05-31
Participants:
Story Points: 1

 Description   

Andy suggested "large" = 250,000 chunks. There doesn't need to be much (if any) data in the sharded collection itself. The purpose is to stress how the resharding coordinator behaves during the multi-document transaction to insert all the config.chunks documents in kInitializing and to update all the config.chunks documents in kDecisionPersisted (commit).



 Comments   
Comment by Vivian Ge (Inactive) [ 06/Oct/21 ]

Updating the fixversion since branching activities occurred yesterday. This ticket will be in rc0 when it’s been triggered. For more active release information, please keep an eye on #server-release. Thank you!

Comment by Githook User [ 25/May/21 ]

Author:

{'name': 'jannaerin', 'email': 'golden.janna@gmail.com', 'username': 'jannaerin'}

Message: SERVER-53939 Write test for resharding a collection with a large number of new chunks

(cherry picked from commit 74616fe794f7fb0a50d607299a7d02a6bd571138)
Branch: v5.0
https://github.com/mongodb/mongo/commit/8def403fe9a2149b7752af06be0587026752759f

Comment by Githook User [ 24/May/21 ]

Author:

{'name': 'jannaerin', 'email': 'golden.janna@gmail.com', 'username': 'jannaerin'}

Message: SERVER-53939 Write test for resharding a collection with a large number of new chunks
Branch: master
https://github.com/mongodb/mongo/commit/74616fe794f7fb0a50d607299a7d02a6bd571138

Comment by Janna Golden [ 20/May/21 ]

Committing an initial version of this test with a lower number of chunks until SERVER-56509 is completed as the update to the index keys for config.tags is extremely slow. I've filed SERVER-57095 to bump the number of zones down the line.

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