[SERVER-41561] Undo SERVER-36956 but keep the cache pressure metric switch Created: 06/Jun/19  Updated: 29/Oct/23  Resolved: 02/Jul/19

Status: Closed
Project: Core Server
Component/s: Storage
Affects Version/s: None
Fix Version/s: 4.2.0-rc3, 4.3.1

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

Issue Links:
Backports
Related
related to SERVER-36956 Replace the statistic that dynamicall... Closed
Backwards Compatibility: Fully Compatible
Operating System: ALL
Backport Requested:
v4.2
Sprint: Execution Team 2019-06-17, Execution Team 2019-07-01, Execution Team 2019-07-15
Participants:

 Description   

SERVER-36956 switched the cache pressure metric that the snapshot window size controlling code uses, as well as favoring keeping the snapshot window size large even in the presence of cache pressure when there are SnapshotTooOld errors. We want to keep the metric change, but want to undo the window size control changes. Cache pressure should cause the window size to shrink, even in the presence of SnapshotTooOld errors.



 Comments   
Comment by Githook User [ 09/Jul/19 ]

Author:

{'name': 'Dianna Hohensee', 'email': 'dianna.hohensee@10gen.com', 'username': 'DiannaHohensee'}

Message: SERVER-41561 add SnapshotTooOld error counting metric to serverStatus

(cherry picked from commit 823c44416e3aef98796ae0aecb6f574ad71f7c94)
Branch: v4.2
https://github.com/mongodb/mongo/commit/5c7648c42ea8c73214488cb423a0cbfbe11a059b

Comment by Githook User [ 02/Jul/19 ]

Author:

{'name': 'Dianna Hohensee', 'username': 'DiannaHohensee', 'email': 'dianna.hohensee@10gen.com'}

Message: SERVER-41561 add SnapshotTooOld error counting metric to serverStatus
Branch: master
https://github.com/mongodb/mongo/commit/823c44416e3aef98796ae0aecb6f574ad71f7c94

Comment by Dianna Hohensee (Inactive) [ 01/Jul/19 ]

SERVER-36956 Has been reverted.

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