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- Sharded Cluster Maintenance Tutorials
Sharded Cluster Maintenance TutorialsΒΆ
The following tutorials provide information in maintaining sharded clusters.
- View Cluster Configuration
- View status information about the cluster’s databases, shards, and chunks.
- Replace a Config Server
- Replace a config server in a config server replica set.
- Migrate Config Servers with the Same Hostname
- For a sharded cluster with three mirrored config servers, migrate a config server to a new system while keeping the same hostname. This procedure requires changing the DNS entry to point to the new system.
- Migrate Config Servers with Different Hostnames
- For a sharded cluster with three mirrored config servers, migrate a config server to a new system that uses a new hostname. If possible, avoid changing the hostname and instead use the Migrate Config Servers with the Same Hostname procedure.
- Migrate a Sharded Cluster to Different Hardware
- Migrate a sharded cluster to a different hardware system, for example, when moving a pre-production environment to production.
- Backup Cluster Metadata
- Create a backup of a sharded cluster’s metadata while keeping the cluster operational.
- Configure Behavior of Balancer Process in Sharded Clusters
- Manage the balancer’s behavior by scheduling a balancing window, changing size settings, or requiring replication before migration.
- Manage Sharded Cluster Balancer
- View balancer status and manage balancer behavior.
- Remove Shards from an Existing Sharded Cluster
- Migrate a single shard’s data and remove the shard.
See also
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