Data Store Concepts and Architecture
The Stealthwatch Data Store provides a central repository to store your network's
telemetry, collected by your Stealthwatch Flow Collectors. The Data Store is comprised
of a cluster of Data Nodes, each containing a portion of your data, and a backup of a
separate Data Node's data. Because all of your data is in one centralized database, as
opposed to spread across multiple Flow Collectors, your Stealthwatch Management
Console can retrieve query results from the Data Store more quickly than if it queried all
of your Flow Collectors separately. The Data Store cluster provides improved fault
tolerance, improved query response, and quicker graph and chart population.
Data Store Storage and Fault Tolerance
The Data Store collects data from Flow Collectors and distributes it equally across Data
Nodes within the cluster. Each Data Node, in addition to storing a portion of your overall
telemetry, also stores a backup of another Data Node's telemetry. Storing data in this
fashion:
l helps with load balancing
l distributes processing across each node
l ensures all data ingested into the Data Store has a backup for fault tolerance
l allows for increasing the number of Data Nodes to improve overall storage and
query performance
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Data Store Concepts and Architecture
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