Sharding Strategy

Architect

Mar 14, 2021 · Backend Development

Achieving High Availability and Priority Scheduling with Elastic Job Lite in Dual‑Data‑Center Deployments

This article explains how to transform single‑node Elastic Job Lite deployments into high‑availability, dual‑data‑center architectures and implement custom sharding strategies that prioritize execution in a primary site while maintaining failover and optional active‑active traffic distribution.

High AvailabilityJavaSharding Strategy

0 likes · 10 min read

Achieving High Availability and Priority Scheduling with Elastic Job Lite in Dual‑Data‑Center Deployments

Youzan Coder

May 20, 2020 · Backend Development

Real-Time Loss Prevention System: Architecture and Implementation at YouZan

YouZan’s real‑time loss‑prevention platform monitors database binlogs, transforms and verifies transaction data across five loosely coupled layers, handling 200 million daily messages and 60 million checks with dynamic sharding, caching and distributed locks to detect over‑charges, duplicate refunds, migration inconsistencies and unauthorized data changes.

HBaseMessage QueueSharding Strategy

0 likes · 12 min read

Real-Time Loss Prevention System: Architecture and Implementation at YouZan