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Tune Performance

Atlas Search runs a new process, called mongot, alongside the mongod process on each host in your Atlas cluster. mongot maintains all Atlas Search indexes on collections in your Atlas databases. The amount of CPU, memory, and disk resources mongot consumes depends on several factors, including our index configuration and the complexity of your queries. Atlas Search alerts measure the amount of CPU and memory used by Atlas Search processes.

The following pages contain recommendations that you can apply when configuring your Atlas Search index and defining your Atlas Search queries to improve performance:

To fix and monitor Atlas Search issues, see the following pages:

Important

Upgrading to NVMe Storage

Upgrading an Atlas cluster to use NVMe triggers an initial sync on that cluster. Atlas Search is unavailable until both the mongod and mongot finish their initial syncs.

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