[SERVER-82834] Balancer continusly logs if cluster can't be balance due to zones Created: 06/Nov/23 Updated: 09/Nov/23 |
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| Status: | Backlog |
| Project: | Core Server |
| Component/s: | None |
| Affects Version/s: | None |
| Fix Version/s: | None |
| Type: | Bug | Priority: | Major - P3 |
| Reporter: | Tommaso Tocci | Assignee: | Backlog - Catalog and Routing |
| Resolution: | Unresolved | Votes: | 0 |
| Labels: | car-qw | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Assigned Teams: |
Catalog and Routing
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| Operating System: | ALL |
| Participants: | |
| Story Points: | 1 |
| Description |
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If zones are configured for a collection, it is totally possible and expected that we end up with an imbalance collection because there is only one shard in a specific zone, so that shard can't donate its chunks to another shard because it would violate zones policy. If this happens, the balancer will continuously emit this log:
we should double check which version are affected, for sure in 6.0+ we have this problem.
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