Projects sharing features with Server Survival

This project is a comprehensive Java backend engineering guide and technical reference focused on high-concurrency design, distributed systems, and microservices architecture. It provides detailed strategies for decomposing monolithic applications, managing service discovery, and implementing the architectural patterns required for scalable backend environments. The repository distinguishes itself through an extensive collection of big data algorithmic references and database scaling strategies. It covers memory-efficient techniques for analyzing massive datasets, such as Top-K element extrac

This project serves as a comprehensive technical reference for the architecture and design of data-intensive applications. It provides a structured analysis of the fundamental principles required to build reliable, scalable, and maintainable software systems, covering the core trade-offs inherent in modern data infrastructure. The repository explores the mechanics of distributed data management, including strategies for replication, partitioning, and achieving consensus across multiple nodes. It details the design of storage engines, indexing techniques, and transaction management models, whi

This project is a collection of structured study notes and conceptual breakdowns designed for the AWS Certified Cloud Practitioner exam. It serves as a technical reference and study guide, organizing cloud service details and architectural principles to assist in certification preparation. The knowledge base is built using markdown files and includes curated cheat sheets and interactive mind-map visualizations. These tools map complex certification topics into visual hierarchies to enable drill-down study paths and rapid revision. The materials cover a wide range of cloud capabilities, inclu

x-ui is a web-based management interface for configuring and administering Xray-core proxy servers and routing rules. It provides a centralized suite of tools including an HTTP API proxy controller, a proxy subscription server, and an automated SSL certificate tool. The project distinguishes itself through a subscription-based distribution system that allows administrators to deliver connection configurations and update links to multiple clients via unique URLs. It further automates security with ACME-based certificate renewal and provides a decoupled architecture that allows the proxy engine

This project provides a collection of architectural blueprints and design patterns for building, deploying, and scaling machine learning systems in production environments. It serves as a comprehensive reference for standardizing the end-to-end lifecycle of machine learning components, including training pipelines, model serving, and system observability. The framework distinguishes itself by offering standardized strategies for managing complex operational requirements such as asynchronous inference, traffic routing, and service decoupling. It covers a wide range of patterns for model servin

Open vSwitch is a software-defined network switch and high-performance data plane engine. It functions as a virtual layer 2 switch and network orchestrator, implementing the OpenFlow protocol to decouple the control plane from the data plane for programmable network forwarding. The project distinguishes itself through a userspace-kernel datapath split and the use of poll-mode drivers for kernel-bypass acceleration. It provides a network tunneling gateway to extend virtual networks across physical hosts and utilizes a transactional, schema-based configuration database with state replication fo

gost is a multi-protocol proxy tunnel and secure tunneling server designed to route network traffic through encrypted connections. It functions as a traffic obfuscation gateway and a transparent proxy server capable of intercepting TCP and UDP traffic at the IP level. The project also includes a virtual network interface manager for creating TUN and TAP devices to intercept operating system packets. The system distinguishes itself through a chain-based request routing model, allowing traffic to pass through an ordered sequence of proxy nodes. It provides extensive transport-layer encapsulatio

This project provides a collection of declarative configuration sets and routing rules for the Quantumult X proxy client. It consists of rule sets designed for blocking advertisements, preventing DNS hijacking, and managing regional routing to direct network traffic. The project includes specific routing configurations to bypass geographic content restrictions by mapping media services to regional nodes. It also provides curated lists to prevent internet service provider redirects and block fraudulent domains. The broader capability surface covers network traffic orchestration, including the

Pixie is an open-source observability platform for Kubernetes that uses eBPF to automatically capture telemetry data from clusters without requiring any manual instrumentation or code changes. It functions as an eBPF telemetry collector, a continuous application profiler, a network traffic analyzer, and a scriptable telemetry query engine, all within a single Kubernetes-native tool. The platform distinguishes itself through several integrated capabilities. It continuously samples stack traces from compiled-language code to identify CPU performance bottlenecks, visualizing the results as inter

RisingWave is a cloud-native streaming database and real-time analytics engine that uses standard SQL to process continuous data streams. It functions as a streaming data lakehouse, combining the capabilities of a streaming SQL database with a platform that integrates streaming ingestion with open table formats. The system is distinguished by its use of the PostgreSQL wire protocol, allowing it to integrate with existing SQL tools and drivers. It employs a decoupled compute and storage architecture, persisting streaming state and materialized views in cloud object storage to enable independen

Goreplay is an HTTP traffic mirroring tool designed to capture live network traffic from production environments and replay it into test systems for validation. It includes a specialized Kubernetes traffic capturer that operates as a daemonset to mirror traffic from specific pods using label selectors and namespace filters, alongside a TCP traffic recorder for intercepting raw network packets. The project features a Kafka traffic pipeline for streaming captured payloads to topics or ingesting messages for playback, and an HTTP request transformer to mask sensitive data or rewrite headers and

Mpush is a real-time message push system and encrypted messaging gateway designed to deliver instant notifications to mobile and web clients. It functions as a session management service and a network traffic controller, utilizing persistent network connections to ensure updates reach users without manual screen refreshing. The system includes an HTTP reverse proxy that routes external domain requests to internal IP addresses with integrated connection timeout management. It maintains communication stability through a persistent session manager that tracks client heartbeats and session expira

PowerDNS is DNS server software used for serving authoritative and recursive DNS records. It functions as both an authoritative DNS server, providing definitive records for specific domains from trusted databases, and a recursive DNS resolver that finds answers for any domain by iteratively querying external servers. The project distinguishes itself through a backend-abstraction layer that decouples server logic from data storage, allowing records to be served from SQL databases, zone files, and external APIs. It includes a geo-aware DNS router to direct users to the nearest server based on t

NekoBoxForAndroid is a network utility for Android that functions as a system-wide VPN tunneling client. It leverages the Sing-Box engine to capture and redirect device traffic through a virtual network interface, providing a centralized platform for managing proxy connections and network routing. The application distinguishes itself through its advanced configuration management, allowing users to define granular traffic rules based on domains, IP addresses, or specific applications. It supports complex network requirements by enabling multi-hop proxy chaining, custom DNS resolution strategie

Pigsty is a comprehensive database infrastructure orchestration platform designed to automate the full lifecycle of high-availability PostgreSQL clusters. It functions as an infrastructure-as-code framework that manages cluster coordination, node provisioning, and service discovery through idempotent playbooks. By integrating distributed consensus mechanisms, the platform ensures automated failover and consistent state enforcement across diverse environments, including bare metal and virtualized infrastructure. The platform distinguishes itself through a robust suite of operational capabiliti

Clash-rules provides a standardized, declarative system for managing network traffic routing across desktop and mobile proxy clients. It functions as a centralized configuration provider that uses structured rule sets to categorize outgoing requests, allowing users to define whether specific connections should be proxied, rejected, or routed directly. The project distinguishes itself through its comprehensive, curated rulesets that enable granular control over network behavior. By employing domain-pattern matching, CIDR-based network analysis, and application-specific signatures, it ensures c

This project provides a containerized DNS sinkhole and network-wide traffic filtering solution. It functions as a central network resolver that intercepts domain queries, allowing users to block advertisements, trackers, and malicious domains by returning null responses to connected devices. The platform distinguishes itself through its integrated DHCP server and comprehensive management capabilities, which allow for automated IP address allocation and granular control over network traffic. It supports complex filtering through regular expression matching, hierarchical rule prioritization, an

OpenSearch is a distributed search and analytics engine designed for indexing, searching, and analyzing massive volumes of structured and unstructured data in real time. It functions as a comprehensive platform that integrates enterprise-grade search capabilities, a vector database for high-dimensional similarity lookups, and a unified observability suite for monitoring logs, metrics, and traces across complex distributed environments. The platform distinguishes itself through its support for agentic workflow automation, allowing users to orchestrate multi-agent tasks and integrate foundation

Vector is a high-performance observability data pipeline designed to collect, transform, and route logs, metrics, and traces across distributed infrastructure. It functions as a modular engine that decouples data ingestion from processing and transmission, utilizing a component-based architecture to connect diverse sources to multiple destinations. The project distinguishes itself through a focus on reliability and flow control. It implements backpressure-aware data movement to prevent data loss during traffic spikes and utilizes disk-backed event buffering to ensure durability during network

Surge is a network traffic routing and configuration system designed to categorize and steer network requests using curated rule sets, domain lists, and IP databases. It provides the data structures and filtering logic necessary to manage how application traffic is directed across proxies, direct connections, or regional gateways. The project distinguishes itself through granular traffic identification and steering. It identifies network requests by matching them against system process names, user-agent strings, and geographic IP ranges to apply specific routing policies. This allows for the

This repository provides configuration sets for the Quantumult X network proxy client. It consists of routing rules, policy groups, and script rewrites designed to manage network connectivity and automation. The project features a network traffic router that uses rules and regular expressions to direct traffic toward specific proxy servers based on destination. It includes an HTTP request rewriter to modify network requests and responses to customize application behavior or bypass restrictions. The configuration covers automated task scripts for the maintenance of external web services, regi

Karing is a multi-protocol proxy client and network traffic router designed to manage and direct internet traffic through various proxy protocols. It functions as a proxy subscription manager that imports and converts server lists from multiple external formats and providers into a unified configuration. The project features a cross-device synchronization system that keeps network routing settings and server lists consistent across multiple devices via cloud or local sharing. It includes a latency-based server selector that measures real-time response times to automatically connect to the fas

This project provides a collection of structured, binary-encoded routing datasets designed for proxy software to automate network traffic management. By mapping domain names and IP addresses to specific functional categories, it enables proxy clients to make granular, policy-based connection decisions. The repository serves as a centralized source for routing metadata, ensuring that traffic steering logic remains consistent across various networking implementations. The project distinguishes itself through an automated aggregation pipeline that processes community-maintained datasets into a u

This project is a configuration guide and manual for bypassing internet censorship. It provides instructions for installing and configuring proxy software to route network traffic through secure nodes to access restricted web content. The guide focuses on proxy server configuration, including tutorials for importing remote server settings via formatted URLs and managing node-based connections. It covers the setup of secure network tunnels and the activation of proxy servers to bypass local network filters. The material covers network traffic routing, including the use of global and automatic

Surfboard is a cross-platform network client and VPN manager that provides a graphical interface for establishing secure tunnel connections. It functions as a multi-protocol proxy client and a rule-based traffic router, directing outbound requests to specific proxies or bypassing them based on domain and IP patterns. The application acts as a connection orchestrator, allowing users to import, organize, and switch between multiple virtual private network profiles and server configurations. It implements various proxy standards to route traffic through remote servers for privacy and access. Th

This project is an educational resource providing a comprehensive development tutorial for writing and loading eBPF programs using C, Go, and Rust within the Linux kernel. It serves as a technical guide for developing custom logic to execute directly in the kernel. The materials cover specialized domains including kernel observability and tracing, security implementation for intrusion detection, and high-performance network engineering for packet filtering and load balancing. It also includes dedicated manuals for Linux kernel tracing and the use of kprobes, uprobes, and tracepoints. The pro

SwitchyOmega is a browser proxy manager and extension that controls network traffic routing and manages proxy configurations through a graphical interface. It functions as a proxy routing orchestrator and a PAC script generator, converting user-defined rules into JavaScript auto-config scripts for automated network routing. The project enables users to organize network configurations into distinct profiles, allowing for the switching of proxying logic based on different environments. It automates the selection of proxy servers by matching requested URLs against predefined patterns to avoid ma