[SERVER-36769] Do not hold collection cloner mutex while inserting documents into storage Created: 20/Aug/18  Updated: 06/Dec/22  Resolved: 05/Sep/18

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

Type: Improvement Priority: Major - P3
Reporter: Tess Avitabile (Inactive) Assignee: Backlog - Replication Team
Resolution: Won't Fix Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Assigned Teams:
Replication
Participants:

 Description   

We hold the collection cloner mutex while inserting documents into storage. Since we also hold this mutex while populating the _documentsToInsert buffer, this prevents us from simultaneously inserting into the buffer and inserting into storage. We should avoid holding this mutex while inserting into storage. This would require us to have throttling for _documentsToInsert so that its size does not grow without bound.



 Comments   
Comment by Tess Avitabile (Inactive) [ 05/Sep/18 ]

The solution is to parallelize insertion on the destination, which we will schedule as a separate project.

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