Golang Uuid Xid, UUIDs are 16 bytes (128 bits) and 36 chars as string representation. 個人プロダクトの開発中にUUIDを生成したくなったのですが そんな時に見つけた、簡単にUUIDを生成してくれるGo製のライブラリ github. Package xid is a globally unique id generator library, ready to safely be used directly in your server code. Adding Request ID to Go's requests 2 projects| dev. It is based on the Mongo Object ID algorithm and is optimized for high performance and low storage overhead. to |29 May 2025 xid tool that helps us create a new unique id chi lightweight router The Easiest Way to Create a REST API With Go 3 projects| dev. . Build a +加关注 0 升级成为会员 « 上一篇： golang decimal处理插件包 大数字处理 » 下一篇： go uuid posted @ 2020-05-05 16:50 杨鑫Zz 阅读 (756) 评论 (0) 收藏 举报 刷新页面 返回顶部 登录后才能查看或发表评论，立即 登录 或者 逛逛 博客园首页 文章浏览阅读551次。本文详细介绍了Golang中几种分布式ID生成器，包括uuid、shortuuid、xid、ksuid、ulid和snowflake，分析它们的特点、优缺点，并讨论了时钟回拨问题及其解决方案。此外，还探讨了数据库自增ID、Redis生成ID、ZooKeeper生成ID以及号段模式等不同ID生成方式的适用场景和潜在问题。 文章浏览阅读1. ulid, xid, sno, nanoid, and Monoton CSDN桌面端登录 雾件 1986 年 2 月 3 日，《时代》报道雾件问题。雾件（Vaporware），指的是在开发之前若干年或者在开发期间就已经提前炒作的产品，通常是软件，多数情况下会延期发布，很多产品甚至不会发布。“雾件”反映了计算机行业的一种倾向，即在涉及市场营销时，做法过于轻率散漫。 7503 支付对接,小程序开发，网络推广,网络营销,网站建设,效果营销,营销型网站建设,api接口对接,app开发定制,支付接口对接,本文总结了7种Go语言生成唯一ID的实用方法，包括使用google/uuid、bwmarrin/snowflake、oklog/ulid、teris-io/shortid、rs/xid、segmentio/ksuid和sony/sonyflake包。 4. org Go package for UUIDs based on RFC 4122 and DCE 1. We have used some of these posts to build our list of alternatives and similar projects. Let’s dive into the methods and examples to get you started! What is a UUID? For a distributed DB like Cockroach DB with xid generated in the application layer over distributed containers / serverless functions sharing a DB cluster, @rs are there any reasons you would still recommend xid over ULID all things considered, especially when there's no guarantee that the xid will be generated on the same machine/process? UUID (v4) 次はv4のUUIDを生成します。 v4の概要 v4は完全にランダムな文字列です。 途中のバージョン番号 4 を除けば、あとはa-z,0-9がランダムに配置されています。 v4を生成 NewRandom() という関数でv4のUUIDが生成できます。 完全にランダムに作成されているため、人間でも違いが分かります。 Introduction UUID stands for Universal Unique Identifier, a standardized 128-bit format for a string ID used to uniquely identify information in computer systems. com こちらの特徴と使い方をご紹介 UUID is 16 bytes (128 bits), snowflake is 8 bytes (64 bits), xid stands in between with 12 bytes with a more compact string representation ready for the web and no required configuration or central generation server. Whether you’re building a web application, a microservice, or just need unique identifiers for your data, understanding how to generate UUIDs in Golang will be beneficial. そういったケースでは、UUIDやSnowflakeなどの使用例が良く紹介されています。 この記事では、Go製のライブラリで、Goアプリから簡単に使用できるID Generatorである「xid」について紹介します。 このxidは自分が仕事で開発しているシステムでも採用しています。 xid is a globally unique id generator thought for the web. 适用于跨系统兼容：UUID、ShortUUID UUID 标准化程度高，但 165 ns 生成速度较慢，占用 64 B 内存。 ShortUUID 减少了字符串长度，但仍有 184. uuid development by creating an account on GitHub. Mar 26, 2023 · Introduction XID is a globally unique identifier (GUID) alternative written in Go. %UUID% or !UUID!), outputs the UUID as standard output, and also copies the new UUID to your clipboard if you are running Windows Vista or later. - uuid/version7. In this article, we will explore XID and its benefits over traditional GUIDs. f19b32ec-cfaf-32ee-35b9-37435f4bef3f) and stores the new UUID in the UUID environmental variable (i. com/rs/xid） Go製のUnique ID Generator「xid」について - Qiita スケールする：対象を拡大・縮小する UUID：Universally Unique Identifier。 ユニークなID。 128ビット (16Byte)。 16進法が多い。 UUIDがかぶる確率は230京回らしい。 google /uuidやcrypto/randは 擬似乱数 を使用しているせいか、xidより6~7倍程度時間がかかっていました。 ベンチマークコード まとめ ユニークIDにおける考慮すべき観点の説明と、Goでの選択肢を提示しました。 参考 Generating good unique ids in Go 文章对比分析多种唯一ID生成工具，包括xid、ksuid、sonyflake、uuid和betterguid，介绍其组成、特征及适用场景，推荐xid因免配置且可排序，适合一般使用。 Any implementation where UUID is a [16]byte and not a slice. A. You can't use a slice-based UUID as part of a map key. Xid uses the Mongo Object ID algorithm to generate globally unique ids with a different serialization (base32hex) to make it shorter when transported as a string: https://docs. UUIDs are 128-bit values that are designed to be globally unique, making them ideal for use in distributed systems, databases, and applications where unique identification is crucial. This is a UUID (A. What is Golang Uuid? Golang UUID, or Universally Unique Identifier, refers to a standard for generating unique identifiers in the Go programming language (Golang). 本文介绍多种本地ID生成器，包括uuid、shortuuid、xid等，阐述其原理、特点及代码示例，还提及数据库自增ID、Redis、ZooKeeper等方式生成ID的优缺点及相关改进方案。 UUID package for Go. We leveraged generics, introduced in Go 1. The last one was on 2025-05-29. Base36 wasn't retained either because 1/ it's not standard 2/ the resulting size is not predictable (not bit aligned) and 3/ it would not remain sortable. This article will guide you through using UUID in GoLang, a static type, compiled language that is gaining popularity in system-level programming due to its simplicity and efficiency. e. Aug 23, 2024 · UUID is 16 bytes (128 bits), snowflake is 8 bytes (64 bits), xid stands in between with 12 bytes with a more compact string representation ready for the web and no required configuration or central generation server. All libraries and projects - 8. (And slices add more overhead than the array itself uses, for something which will never be sliced) KSUID is for K-Sortable Unique IDentifier. In short, running a set of KSUIDs through the UNIX sort command will result in a list ordered by generation time. to |2 Dec 2023 但个人更喜欢 rs/xid 和 segmentio/ksuid 这两个包。 oklog / ulid 允许使用自定义熵（随机）源，但需要使用复杂的 API。 sony / sonyflake 是最小的但也是最随机的。 它基于Twitter的设计，用于为推文生成ID。 为简单起见， 示例代码 序列化了base16 中的 sony / snoflake。 Package xid is a globally unique id generator library, ready to safely be used directly in your server code. - google/uuid In this tutorial, we will explore what UUIDs are and how to generate a UUID in Golang. 一、简介 这是一个超高性能唯一ID生成工具，支持docker一键部署，提供API接入功能支持高性能生成Snowflake ID、Sonyflake ID、UUID v1、UUID v4、XID、KSUID以及自定义ID的服务可以用来生成订单编号、学号、高标准唯 To validate a base32 xid, expect a 20 chars long, all lowercase sequence of a to v letters and 0 to 9 numbers ([0-9a-v]{20}). Mar 7, 2025 · 跨系统唯一标识：UUID。 结论 在分布式ID生成方案中，没有绝对的“最优”方案，只有“最适合”的方案。 Krand 适用于高性能场景，XID 兼顾性能和可读性，而 Snowflake 适用于大规模分布式系统。 开发者应根据业务需求选择最优方案，以提升系统的稳定性和性能。 Go package for UUIDs based on RFC 4122 and DCE 1. 1: Authentication and Security Services. Xid doesn't use base64 because case sensitivity and the 2 non alphanum chars may be an issue when transported as a string between various systems. As previously mentioned, babyapi. How UUIDs Work in GoLang UUIDs in GoLang are Your All-in-One Learning Portal: GeeksforGeeks is a comprehensive educational platform that empowers learners across domains-spanning computer science and programming, school education, upskilling, commerce, software tools, competitive exams, and more. 18, when designing identifiers for Encore. Contribute to satori/go. It is a kind of globally unique identifier similar to a RFC 4122 UUID, built from the ground-up to be "naturally" sorted by generation timestamp without any special type-aware logic. DefaultResource already implements the required interface, so it can be used as a starting point for simple resource types. Libraries for working with UUIDs. Besides simply implementing the interface, this default struct implements some validations around the ID and uses rs/xid to create a unique identifer on new resources. K. The package has a UUID method that returns a Version 4 (randomly generated) UUID in its canonical string representation ("xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx") and it's RFC 4122 compliant. 6 ns 生成时间。 最佳实践建议 数据库主键：Krand（数值型）或 Snowflake（整数型）。 分布式服务间追踪ID：XID 或 MongoDB ObjectID。 UUID (v4) 次はv4のUUIDを生成します。 v4の概要 v4は完全にランダムな文字列です。 途中のバージョン番号 4 を除けば、あとはa-z,0-9がランダムに配置されています。 v4を生成 NewRandom() という関数でv4のUUIDが生成できます。 完全にランダムに作成されているため、人間でも違いが分かります。 The goal of babyapi is to be so easy that a baby could do it. go at master · google/uuid xid（https://github. GUID) generator that generates standard UUIDs (i. mongodb. xid Posts with mentions or reviews of xid. 1k次。此博客展示了如何使用不同库生成唯一ID，包括shortuuid、google/uuid、xid、ksuid、betterguid、ulid、sonyflake、sid Dealing with identifiers can be a pain in a large system. Tags: UUID. hrphe, mo5ftl, lxzce, 2pr9rn, mfrei, spky, jhtb, ljygl, qccwo, h5q1,