[SERVER-47786] Remove snapshot window logic Created: 27/Apr/20  Updated: 07/May/20  Resolved: 07/May/20

Status: Closed
Project: Core Server
Component/s: None
Affects Version/s: None
Fix Version/s: None

Type: Task Priority: Major - P3
Reporter: Lingzhi Deng Assignee: Lingzhi Deng
Resolution: Duplicate Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
depends on SERVER-47672 Add minSnapshotHistoryWindowInSeconds... Closed
Duplicate
duplicates SERVER-47672 Add minSnapshotHistoryWindowInSeconds... Closed
Sprint: Repl 2020-05-18
Participants:

 Description   

Remove snapshot window logic, see SERVER-31767.

  • This logic was used to dynamically change the amount of history stored to avoid cache pressure. Given durable history is available now, this is no longer needed.
  • Delete metrics in the "snapshot-window-settings" subsection of the wiredTiger serverStatus section that are no longer relevant.
    • "cache pressure percentage threshold"
    • "max target available snapshots window size in seconds”
    • "target available snapshots window size in seconds"

Add metric "minimum available snapshots window size in seconds".



 Comments   
Comment by Lingzhi Deng [ 07/May/20 ]

Done in SERVER-47672.

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