Aikesheng Open Source Community
Jul 29, 2019 · Databases
Analysis and Resolution of MongoDB Sharding Balancer Chunk Migration Failures in Version 3.4.x
A MongoDB client reported severe chunk imbalance and nightly balancer migration failures in a sharded cluster, which were traced to a known bug causing conflicting operations, and the issue was resolved by disabling the balancer for the affected collection and upgrading the cluster to version 3.4.11 or later.
BalancerChunk MigrationDatabase Bug
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