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Type: Task
Resolution: Fixed
Priority: Major - P3
Fix Version/s: 6.0.3, 6.1.0-rc0
Affects Version/s: None
Component/s: None
Labels:
None

Backwards Compatibility:
Fully Compatible
Backport Requested:

v6.0
Sprint:
Sharding EMEA 2022-05-02, Sharding EMEA 2022-05-16, Sharding EMEA 2022-05-30
Linked BF Score:
150
Confidence Status:
None
Work Order:
3
CAR Domain/s:
None

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

Make the balancer retrieve stats from the BalancerStatsRegistry to take decisions: from balancing based on number of chunks to balancing based on actual collection size on each shard (excluding orphans).

causes

SERVER-66827 Balancer may skip a round if last randomly selected collection has balancing disabled

Closed

SERVER-73398 Invariant may be hit when downgrading from v6.0 due to moveChunk request without max key

Closed

SERVER-75481 Consider ideal data size when balancing

Closed

SERVER-83775 Do not balance data between shards owning more than the ideal data size

Closed

is related to

SERVER-66378 Adapt tests skipped when featureFlagBalanceAccordingToDataSize is enabled

Closed

related to

SERVER-66677 Fix clang_tidy error on enterprise-rhel80-dynamic-clang-tidy-v4

Closed

SERVER-70852 Recommit SERVER-66716 on v6.0

Closed

(2 related to)

Assignee:: Pierlauro Sciarelli
Reporter:: Pierlauro Sciarelli
Participants:: Githook User, Pierlauro Sciarelli
Votes:: 0 Vote for this issue
Watchers:: 2 Start watching this issue

Created:: Apr 20 2022 12:38:28 PM UTC
Updated:: Dec 01 2023 09:17:56 AM UTC
Resolved:: May 19 2022 03:35:32 PM UTC
Confidence Status Last Update:: 20/Apr/22 12:38 PM

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