March 9, 2024 · 1335 words · 7 min
In MySQL, MVCC (Multi-Version Concurrency Control) refers to the concurrency control mechanism used by the InnoDB storage engine. It provides concurrent access to data and ensures data consistency and isolation in a multi-user environment.
March 5, 2024 · 441 words · 3 min
Mio is a high-performance, low-level I/O library for Rust that focuses on non-blocking APIs and event notification. While Mio provides powerful capabilities for building I/O applications, it does not include a built-in timer feature. In this article, we will explore how to implement a timer in Mio.
November 19, 2023 · 708 words · 4 min
In this article, I’ll deep dive into an annother powerful data structure in Redis: Bloom Filter. Bloom Filter can help you check whether elements exist, reduce unnecessary quering costs, improve system response speed and throughput. By properly utilizing Bloom Filter, you can optimize application performance effectively, meet the requirement of high-performance and large-scale data processing.
November 18, 2023 · 761 words · 4 min
In this article, I’ll deep dive into an interesting and powerful feature of Redis: HyperLog. By understanding the working principles and application scenarios of this feature, you’ll be able to leverage Redis effectively to build high-performance and high-scalable applications.
October 20, 2023 · 510 words · 3 min
Sometimes we want to develop some high-performance c++ application on Linux(like epoll/ioturing), installing a virtual machine is a solution, but I think it’s not the most convenient solution, today I’ll share how to build a linux/c++ development environment based on docker/vscode.
September 25, 2023 · 659 words · 4 min
Role-based access control(RBAC) is a policy-neutral access control mechanism defined around roles and privileges. The components of RBAC such as role-permissions, user-role and role-role relationships make it simple to perform user assignments.
In this article, I’ll share some information about RBAC.
July 26, 2023 · 837 words · 4 min
Apache Cassandra is an open source NoSQL distributed database trusted by thousands of companies for scalability and high availability without compromising performance.
July 10, 2023 · 3831 words · 18 min
No software is 100% secure, it’s just that the problems haven’t been discovered yet.
In this article. I’ll share the top 10 Web Application Security Problems.
This article is reproduced from OWASP.
June 4, 2023 · 910 words · 5 min
A distributed transaction is a database transaction in which two or more network hosts are involved.
As we know, network and hosts may unreachable due to some reasons, like power failure, hardware malfunction, etc.
In this article, I’ll share how to implement distributed transaction with TCC.
May 5, 2023 · 548 words · 3 min
Network is unstable, it can fail at any moment. In this article, I’ll share how to retry requests correctly with Feign.
Feign is a Java to HTTP client binder inspired by Retrofit, JAXRS-2.0, and WebSocket. Feign’s first goal was reducing the complexity of binding Denominator uniformly to HTTP APIs regardless of ReSTfulness.
Feign - Introduction