Configure Temporal activity timeouts, retries, and heartbeats for reliable external work.
npx skills add https://github.com/therealbill/mynet --skill activity-design
Please help me install this Agent Skill. Skill: activity-design Source: https://github.com/therealbill/mynet/tree/main/timelord/skills/activity-design Command: npx skills add https://github.com/therealbill/mynet --skill activity-design
Managing external work within workflows can be brittle without proper timeouts, retries, and heartbeat signaling. This skill provides guidance to design and configure Temporal activities to be robust, idempotent, and observable.
Implement a Temporal activity with appropriate Timeouts and a RetryPolicy.
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Temporal activity timeouts bound execution time using ScheduleToCloseTimeout for total duration, StartToCloseTimeout for per-attempt limits, and HeartbeatTimeout for progress monitoring. You configure these parameters to bound total, per-attempt, and progress-monitoring time for reliable external work.
To make Temporal activities idempotent, implement idempotency keys and transactional patterns that prevent duplicate side effects during retries. This ensures operations like message publishing or database updates execute safely even when activity retries occur.
Heartbeats in Temporal activities report progress during long-running tasks and enable responsive cancellation handling. By sending heartbeat signals, you notify the workflow that the activity is still alive, allowing the system to detect stalls and cancel operations promptly when requested.
Set up a Temporal retry policy by configuring InitialInterval, BackoffCoefficient, MaximumInterval, and MaximumAttempts, along with specifying non-retryable errors. This controls how activities performing HTTP or gRPC calls retry failures with appropriate backoff and limits.
Use Temporal activities for non-deterministic operations such as HTTP or gRPC calls, database updates, file I/O, and message publishing. Activities isolate external side effects from workflow logic, enabling proper timeout configuration, retry handling, and idempotency guarantees that workflows alone cannot provide.
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