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Duplicate Request

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Top Architect
Top Architect
May 21, 2022 · Backend Development

Handling Duplicate Requests in Backend Services with Redis and Java

This article explains various techniques for detecting and preventing duplicate backend requests—using unique request IDs, business parameter hashing, MD5 summaries, and Redis SETNX with expiration—providing Java code examples and a complete deduplication utility.

DeduplicationDuplicate RequestJava
0 likes · 9 min read
Handling Duplicate Requests in Backend Services with Redis and Java
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Apr 25, 2021 · Backend Development

Designing Duplicate Request Filtering: Challenges, Solutions, and Best Practices

The article examines why duplicate request filtering is a complex backend problem, explores various causes, discusses client‑side and server‑side strategies such as request IDs, Redis checks, distributed locks, and request signing, and highlights practical pitfalls and security considerations.

Distributed LockDuplicate RequestIdempotency
0 likes · 9 min read
Designing Duplicate Request Filtering: Challenges, Solutions, and Best Practices
Architect
Architect
Feb 13, 2021 · Backend Development

Server‑Side Duplicate Request Handling with Unique IDs and Parameter Deduplication in Java

The article explains how to prevent harmful duplicate write requests on the server side by using unique request identifiers with Redis, computing MD5 digests of sorted JSON parameters, excluding volatile fields, and provides a reusable Java helper class with example code and logs.

DeduplicationDuplicate RequestJava
0 likes · 10 min read
Server‑Side Duplicate Request Handling with Unique IDs and Parameter Deduplication in Java
360 Tech Engineering
360 Tech Engineering
Dec 18, 2020 · Frontend Development

Cancelling Duplicate Axios Requests and Building a Reusable Wrapper

This guide explains the scenarios that cause duplicate HTTP requests in web applications, demonstrates two Axios cancellation techniques, and shows how to encapsulate the logic in a reusable module with request tracking, interceptor integration, npm linking, and open‑source contribution steps.

AxiosCancellationDuplicate Request
0 likes · 9 min read
Cancelling Duplicate Axios Requests and Building a Reusable Wrapper
Selected Java Interview Questions
Selected Java Interview Questions
Nov 29, 2020 · Backend Development

Handling Duplicate Requests in Java Backend Using Redis and Parameter Deduplication

This article explains how to prevent and gracefully handle duplicate requests on the server side by using unique request IDs with Redis, generating MD5 digests of request parameters, and provides a reusable Java helper class with code examples and testing logs.

Duplicate RequestIdempotencyJava
0 likes · 9 min read
Handling Duplicate Requests in Java Backend Using Redis and Parameter Deduplication