[SERVER-47621] parse_options() in powertest.py implicitly deduplicates mongod options Created: 17/Apr/20  Updated: 06/Dec/22

Status: Backlog
Project: Core Server
Component/s: Testing Infrastructure
Affects Version/s: 4.3.6
Fix Version/s: None

Type: Bug Priority: Major - P3
Reporter: James Heppenstall Assignee: Backlog - Server Tooling and Methods (STM) (Inactive)
Resolution: Unresolved Votes: 0
Labels: tig-powercycle
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Assigned Teams:
Server Tooling & Methods
Operating System: ALL
Steps To Reproduce:

https://evergreen.mongodb.com/task_log_raw/mongodb_mongo_master_ubuntu1604_powercycle_patch_a94df7c8c6f36e67086406b5778368f97dc1bd7f_5e9877129ccd4e6f451860bb_20_04_16_15_18_19/0?type=T#L410

Participants:
Story Points: 3

 Description   

In the powercycle Evergreen tests, we make an invocation to `powertest.py` with the following mongod options:

--setParameter enableTestCommands=1 --setParameter logComponentVerbosity={storage:{recovery:2}} --storageEngine wiredTiger

If one checks the mongod.log afterwards, it appears that the setParameter options have been deduplicated and only --setParameter logComponentVerbosity={storage:{recovery:2}} remains.

This seems to be a bug in parse_options() of powertest.py, which creates a defaultDict of mongod options that implicity deduplicates the two setParameter options.



 Comments   
Comment by Steven Vannelli [ 10/May/22 ]

Moving this ticket to the Backlog and removing the "Backlog" fixVersion as per our latest policy for using fixVersions.

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