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Type: Task
Resolution: Unresolved
Priority: Major - P3
Fix Version/s: None
Affects Version/s: None
Component/s: None
Labels:
- or-workload-management

Assigned Teams:

Replication
Case:
Confidence Status:
None
Work Order:
3

Aha! Reference:
None
Tracking Level:
None
Risk Status:
None
Exec Notes:
None
Goal Name:
None
Goal Link:
None

For WT to calculate all_durable and advance the stable_timestamp, it has to walk all opened sessions. In high load scenarios and connection storms this can lead to contention on the ReplicationCoordinator mutex, slowing replication and inducing read/write concern majority lag.

is related to

SERVER-84467 Add duration of how long an oplog slot is kept open to FTDC

Open

SERVER-85331 Add duration taken to calculate all_durable to FTDC

Open

SERVER-97007 Release WiredTiger session while waiting for writeConcern

Backlog

related to

SERVER-18934 Don't require storage engines to implement oplog visibility rules

Backlog

SERVER-70155 Add duration of how long an oplog slot is kept open to mongod "Slow query" log lines

Closed

SERVER-84440 Expose the number of replication waiters in serverStatus

Closed

SERVER-90867 Limit the number of sessions in MongoDB's cache of WiredTiger sessions

Closed

(2 related to)

Assignee:: [DO NOT USE] Backlog - Replication Team
Reporter:: Moustafa Maher
Participants:: [DO NOT USE] Backlog - Replication Team, Moustafa Maher
Votes:: 0 Vote for this issue
Watchers:: 32 Start watching this issue

Created:: Dec 29 2023 02:22:58 AM UTC
Updated:: May 01 2025 09:22:45 PM UTC

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