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Type: Bug
Resolution: Fixed
Priority: Major - P3
Fix Version/s: 6.0.4, 6.2.0-rc0, 4.2.25, 5.0.19, 4.4.25
Affects Version/s: None
Component/s: None
Labels:
- balancer-perf-improvement
- balancer-round-perf

Backwards Compatibility:
Fully Compatible
Operating System:
ALL
Backport Requested:

v6.1, v6.0, v5.0, v4.4, v4.2
Sprint:
Sharding EMEA 2022-11-14
Confidence Status:
None
Work Order:
3

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

Every shard can only participate in one migration at every balancer round.
Due to that, the balancer should stop iterating collections if there are no more available shards to be involved in a migration.

causes

SERVER-78268 Remove shard slows down when there are multiple sharded collections and jumbo chunks

Backlog

Assignee:: Silvia Surroca
Reporter:: Silvia Surroca
Participants:: Githook User, Silvia Surroca
Votes:: 0 Vote for this issue
Watchers:: 3 Start watching this issue

Created:: Oct 31 2022 03:59:24 PM UTC
Updated:: Oct 29 2023 09:31:15 PM UTC
Resolved:: Nov 10 2022 04:25:37 PM UTC
Confidence Status Last Update:: 02/Nov/22 9:02 AM

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