Timers

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Set up one-shot and periodic timers in canisters. Cover the timer API for both Rust (ic_cdk_timers) and Motoko (Timer module). Explain migration from heartbeats to timers. Common patterns: periodic cleanup, scheduled data aggregation, timed state transitions. Include cycle cost implications.

• Portal: building-apps/integrations/periodic-tasks.mdx
• Examples: periodic_tasks (Rust)
• Rust CDK: https://docs.rs/ic-cdk/latest/ic_cdk/ (timers module)

• concepts/timers — how the global timer mechanism works
• guides/canister-management/lifecycle — timer setup during canister init
• reference/cycles-costs — timer execution costs