[SERVER-56489] New pass-through test with random hello server-side delays Created: 29/Apr/21  Updated: 29/Oct/23  Resolved: 01/Jun/21

Status: Closed
Project: Core Server
Component/s: None
Affects Version/s: 5.1 Desired, 4.0 Required
Fix Version/s: 4.0.25, 4.2.16

Type: Task Priority: Major - P3
Reporter: Andrew Shuvalov (Inactive) Assignee: Andrew Shuvalov (Inactive)
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Backports
Depends
Related
Backwards Compatibility: Fully Compatible
Backport Requested:
v5.0, v4.4, v4.2
Sprint: Sharding 2021-05-17
Participants:

 Description   

We need this machinery to assert the fixes that will be made in RSM to handle mongos->mongod outage in help ticket are resilient to delays.

However this test may inject quite a lot of flakiness, the mitigation plan should be developed on the go. Most likely, the delay cap should start low and be increased after the shard is up.



 Comments   
Comment by Githook User [ 14/Jul/21 ]

Author:

{'name': 'Andrew Shuvalov', 'email': 'andrew.shuvalov@mongodb.com', 'username': 'shuvalov-mdb'}

Message: SERVER-56489: New pass-through test with hello server-side delays
Branch: master
https://github.com/mongodb/mongo/commit/2fec2bd8bba95640b8606686a9e1bb44f1ec29e5

Comment by Githook User [ 07/Jul/21 ]

Author:

{'name': 'Andrew Shuvalov', 'email': 'andrew.shuvalov@mongodb.com', 'username': 'shuvalov-mdb'}

Message: SERVER-56489: Reduce hello fail injected tests overhead
Branch: v4.2
https://github.com/mongodb/mongo/commit/b08f8c8dc0a8f2f75e23ccaab20bbb45e1bb79ae

Comment by Githook User [ 02/Jul/21 ]

Author:

{'name': 'Andrew Shuvalov', 'email': 'andrew.shuvalov@mongodb.com', 'username': 'shuvalov-mdb'}

Message: SERVER-56489: New pass-through test with hello server-side delays
Branch: v4.2
https://github.com/mongodb/mongo/commit/2a990abe6ec4361f2cfc46379a4120fd20a62764

Comment by Andrew Shuvalov (Inactive) [ 14/Jun/21 ]

Need this test in head.

Comment by Githook User [ 01/Jun/21 ]

Author:

{'name': 'Andrew Shuvalov', 'email': 'andrew.shuvalov@mongodb.com', 'username': 'shuvalov-mdb'}

Message: SERVER-56489: New pass-through test with random hello server-side delays
Branch: v4.0
https://github.com/mongodb/mongo/commit/b71fa542988c92480da3b2008f8247f40584f151

Comment by Andrew Shuvalov (Inactive) [ 13/May/21 ]

The test is ready for 4.0 and head (5.0). It cannot be submitted because it obviously fails for now.

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