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This project is a distributed unique ID generator designed to produce 64-bit globally unique and sortable identifiers across multiple nodes. It implements a Snowflake-compatible algorithm that prevents collisions by combining timestamps, worker identifiers, and sequence numbers into a single integer.
The main features of baidu/uid-generator are: Unique Identifier Generators, Distributed Identifier Generators, Distributed Primary Key Generation, Snowflake ID Generators, ZooKeeper Worker Assignments, Concurrent Ring Buffering, Distributed Coordination Systems, Worker Identity Assignments.
Open-source alternatives to baidu/uid-generator include: twitter-archive/snowflake — Snowflake is a distributed unique ID generation service designed to produce non-colliding, time-ordered identification… meituan-dianping/leaf — Leaf is a distributed unique ID generation system that provides two distinct modes for producing identifiers across… sony/sonyflake — Sonyflake is a distributed unique ID library that creates collision-free, chronologically ordered identifiers across… segmentio/ksuid — ksuid is a Go implementation of k-sortable unique identifiers. It provides a system for generating globally unique… rs/xid — xid is a distributed unique identifier library designed to generate compact, globally unique, and k-sortable… ramsey/uuid — This PHP library provides tools for generating and validating universally unique identifiers according to RFC 4122…
Snowflake is a distributed unique ID generation service designed to produce non-colliding, time-ordered identification numbers at high scale. It functions as a scalable ID issuer that creates distinct entity identifiers across multiple server nodes to avoid coordination bottlenecks. The system utilizes stateless identifier coordination, calculating unique IDs through a deterministic mathematical formula rather than relying on a central database to track the last issued number. This approach allows it to generate identifiers for distributed database primary keys and high-scale transaction trac
Leaf is a distributed unique ID generation system that provides two distinct modes for producing identifiers across multiple application instances without central coordination. It offers both a database-backed segment mode, which allocates blocks of IDs from a database table and caches them in memory for high throughput, and a Snowflake-style mode that combines timestamps, worker identifiers, and sequence counters to produce time-sortable unique IDs. The system distinguishes itself by offering dual-mode generation through a single RESTful endpoint, allowing applications to choose between segm
Sonyflake is a distributed unique ID library that creates collision-free, chronologically ordered identifiers across multiple machines. It functions as a time-based generator that encodes timestamps into IDs, ensuring that identifiers are monotonically sorted. The system operates without a central coordinating authority, producing unique IDs across distributed nodes without requiring shared state communication or central locks. It prevents collisions between different nodes by incorporating host-aware machine identifiers, which are resolved using private network addresses or cloud instance me
ksuid is a Go implementation of k-sortable unique identifiers. It provides a system for generating globally unique identifiers that maintain a natural chronological order based on their generation timestamp. The project enables the creation of unique keys across distributed systems without a central coordinator. These identifiers are designed for use as database primary keys to maintain index performance and insert efficiency. The library includes capabilities for identifier serialization and parsing, allowing conversion between binary, text, and SQL formats. It also provides command-line to