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Splunk SmartStore is a data management capability that uses remote object stores, such as Amazon S3, Google GCS, or Microsoft Azure Blob storage, to store indexed data. In particular, both warm and cold buckets.
As a deployment's data volume increases, demand for storage typically outpaces demand for compute resources. SmartStore allows you to manage your indexer storage and compute resources in a cost-effective manner by scaling those resources separately.
With SmartStore, you can reduce the indexer storage footprint to a minimum and choose I/O optimized compute resources. Most data resides on remote storage, while the indexer maintains a local cache that contains a minimal amount of data: hot buckets, copies of warm buckets participating in active or recent searches, and bucket metadata.
SmartStore offers several advantages to the deployment's indexing tier: