The Singleflight pattern ensures that only one execution of a function is in-flight for a given key at a time. Duplicate callers wait for the result instead of executing the function again. This pattern is essential for preventing duplicate expensive operations, caching with concurrent access, API call deduplication, and database query optimization.
NOTE: For other posts on concurrency patterns, check out the index post to this series of concurrency patterns.
The MapReduce pattern processes large datasets by breaking the work into two phases: Map (process data in parallel) and Reduce (aggregate results). This pattern is essential for processing large datasets in parallel, distributed computing, data analytics and aggregation, and batch processing jobs.
NOTE: For other posts on concurrency patterns, check out the index post to this series of concurrency patterns.
The Rate Limiting pattern controls the frequency of operations to prevent resource exhaustion and ensure fair usage. This pattern is essential for API request throttling, resource protection, preventing DoS attacks, and ensuring system stability under load.
NOTE: For other posts on concurrency patterns, check out the index post to this series of concurrency patterns.
The Timeouts and Cancellation pattern uses context.Context or channels to control the lifecycle of concurrent operations. This pattern is essential for preventing goroutines from running indefinitely, graceful shutdown of operations, resource cleanup and management, and building responsive applications.
NOTE: For other posts on concurrency patterns, check out the index post to this series of concurrency patterns.
The Publish-Subscribe (Pub/Sub) pattern decouples message producers (publishers) from consumers (subscribers). Publishers send messages to a topic or channel, and all subscribers to that topic receive the messages. This pattern is essential for event-driven architectures, broadcasting messages to multiple consumers, and decoupling senders and receivers.
NOTE: For other posts on concurrency patterns, check out the index post to this series of concurrency patterns.
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