[SERVER-60407] how many chunks wait for delete after balance Created: 02/Oct/21  Updated: 06/Dec/22  Resolved: 06/Oct/21

Status: Closed
Project: Core Server
Component/s: None
Affects Version/s: 4.2.8, 4.2.14
Fix Version/s: None

Type: Bug Priority: Major - P3
Reporter: jing xu Assignee: Backlog - Triage Team
Resolution: Done Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Assigned Teams:
Server Triage
Operating System: ALL
Participants:

 Description   

hi:
1、Recently, new shards were added to the cluster and data balance was carried out. We know that the source shard was deleting chunk asynchronously. We balance data at the service low peak, but the deletion of chunk is delayed. As a result, the chunk is deleted at the service high peak, and I/OS are fully occupied, which affects normal service operations。

So I would like to know how to monitor the current deletion progress so that I can know how long the deletion takes and the impact window



 Comments   
Comment by Edwin Zhou [ 06/Oct/21 ]

Hi 601290552@qq.com,

For this issue we'd like to encourage you to start by asking our community for help by posting on the MongoDB Developer Community Forums.

If the discussion there leads you to suspect a bug in the MongoDB server, then we'd want to investigate it as a possible bug here in the SERVER project.

Best,
Edwin

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