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  1. Core Server
  2. SERVER-82834

Balancer continusly logs if cluster can't be balance due to zones

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: Major - P3 Major - P3
    • None
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    • Catalog and Routing
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    Description

      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:

      No available shards to take chunks for zone

      we should double check which version are affected, for sure in 6.0+ we have this problem.

       

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            backlog-server-catalog-and-routing Backlog - Catalog and Routing
            tommaso.tocci@mongodb.com Tommaso Tocci
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              Created:
              Updated: