This skill should be used when the user needs a "sharded counter", "distributed counter", to "count likes / views at scale", handles a "high-write counter" or "hot counter contention", asks about "approximate counting", "real-time counts", or "HyperLogLog". It gives the recipe for absorbing write-heavy counting without a single hot row. Use it whenever one row/key takes concurrent increments faster than it can serialize them, even if the user doesn't say "sharded counter".
How to install sharded-counters?
proyecto26/system-design-skills/sharded-counters
$npx -y skills add proyecto26/system-design-skills --skill sharded-countersInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/proyecto26/system-design-skills" --skill "proyecto26/system-design-skills/sharded-counters"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/proyecto26/system-design-skills" that are relevant to the current task. Run `npx skills add "https://github.com/proyecto26/system-design-skills"` and select the relevant skills, then follow their instructions.
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