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Clearly, this scenario presents a problem. Blueriq Runtime addresses this multi-node concurrency problem by using keyspace notifications and interruptible flowssessions.
Keyspace Notifications
Keyspace notifications are a feature of the key-value store. The key-value store clients (the Runtime nodes in this case) subscribe for notifications for a key or key pattern. The key-value store then notifies its clients when a change occurs for a subscribed key.
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Overview
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