Mockrithm Logo
Mockrithm®
Awwwards Class Sandbox

Route. Shard.
Scale Systems.

Design horizontal sharding routers, set caching rules with Redis, and configure low-latency round-robin load balancers.

Main Platform
Next Level Assessment

Duplex Voice-Activated AI Mock Interviews

Code sandbox is only half the battle. Practice duplex voice interviews with our AI interviewer model. Receive real-time assessment scores, detailed critiques on articulation, and tailor-made development checklists.

Practice Now
10 Modules Course Syllabus

Interactive Landing Sandboxes

Select a topic below to inspect the curriculum lessons and practice code playground templates.

system module

System Design Architect

Model load balancers, database sharding, and edge caching policies.

  • Design low-latency routing structures using load balancer algorithms.
  • Maximize cache hit metrics utilizing Redis memory store protocols.
  • Partition database writes using dynamic horizontal routing rules.
playgrounds/sandbox.ts
Active Playground
// Database Hash Sharding Algorithm
function getDatabaseShardId(userId: string, totalShards: number): number {
  let hash = 0;
  for (let i = 0; i < userId.length; i++) {
    hash = userId.charCodeAt(i) + ((hash << 5) - hash);
  }
  return Math.abs(hash) % totalShards;
}