Application architecture

Patterns, practices, and suggestions.

• Application architecture
  • Fast key:value storage
  • When to throttle
  • When to debounce

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Fast key:value storage

• Prototyping: Use new Map() for fast in-memory key:value storage
• Small/Medium scale: Use a local (Docker) Redis case for fast and free storage
• High scale: Use a cloud version Azure Redis case or AWS ElistiCache

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When to throttle

Throttling limits how often a function can run, regardless of how often it is called.

Examples of when to throttle are:

• Scroll position updates
• Infinite scrolling
• Tracking mouse movement
• Resizing a window while updating a layout
• Anything where you want continuous but controlled execution

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When to debounce

Runs a function only after the event has been quiet for a set period.

Examples of when to debounce are:

• Search-as-you-type (wait until typing stops)
• Auto-saving form data
• Validating input
• Resizing a window and doing something after the resize ends
• Anything where you want the final, settled actio

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