snowid
ulid
snowid | ulid | |
---|---|---|
5 | 11 | |
93 | 4,153 | |
- | 2.2% | |
1.8 | 4.5 | |
over 1 year ago | about 1 month ago | |
C | Go | |
MIT License | Apache License 2.0 |
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snowid
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Type-safe, K-sortable, globally unique identifier inspired by Stripe IDs
This looks really interesting! I recently wrote[1] a pure C (no external dependency) version of coordination free, k-ordered 128-bit UUID Generator library which is inspired by snowflake but has bigger key space and few nifty features to protect against clock skew etc. The 128 bits are split into
{timestamp:64, worker_id:48, seq: 16}
where the seq if id is requested within the same millisecond.[1] - https://github.com/beyonddream/snowid
- A Decentralized, K-Ordered Unique ID Generator Library in C
- Show HN: SnowId – A Decentralized, K-Ordered, 128-bit UUID library in C
- Project: A Decentralized, K-Ordered Unique ID Generator library in C.
ulid
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Nanosecond timestamp collisions are common
Our Go ULID package has millisecond precision + monotonic random bytes for disambiguation while preserving ordering within the same millisecond. https://github.com/oklog/ulid
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Type-safe, K-sortable, globally unique identifier inspired by Stripe IDs
There is no "tests".
There is just a single test. Which only tests the decoding of a single known value. No encoding test.
Go has infrastructure for benchmarking and fuzzing. Use it!
Also, you took code from https://github.com/oklog/ulid/blob/main/ulid.go which has "Copyright 2016 The Oklog Authors" but this is not mentionned in your base32.go.
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cmackenzie1/go-uuid: library for generating version 4 (random) and version 7 (time-ordered) UUIDs
maybe because of dependencies: https://github.com/oklog/ulid/blob/main/go.mod ??
- The most helpful Go Packages
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UUIDs Are Bad for Database Index Performance, enter UUID7!
Universally Unique Lexicographically Sortable Identifier
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Is it bad to use short (20 chars) random strings as primary keys?
I'm not concerned too much about the performance or the storage size at this stage. I've checked ulids before posting (more specifically https://github.com/oklog/ulid) but the only difference than a random string (especially if you use them with math.rand) is the timestamp prefix which makes them sortable, but I don't need that (users could use the internal SQLite rowid if they needed to sort by a primary key).
- UUIDs Are Popular, but Bad for Performance
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Golang Base Project - A simple web app with user authentication
why are you using https://github.com/oklog/ulid to generate a cookie secret?
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What are your favorite packages to use?
oklog/ulid to generate IDs. coreos/go-oidc for validating JWTs I get from auth. google/go-cmp for comparing structs in tests (unless the project is already using Testify). spf13/pflag because life's too short for Go's flag handling. getkin/kin-openapi for validating reqests/responses against my OpenAPI spec (in tests).
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Keyset pagination using UUID v4 mongodb go
If you just want to roll with an off-the-shelf library, you can use ULID. There are tons of custom made *flake alternatives. If ULID doesn't fit your purposes, look for others.
What are some alternatives?
typeid - Type-safe, K-sortable, globally unique identifier inspired by Stripe IDs
nanoid - A tiny and fast Go unique string generator
typeid-sql - SQL implementation TypeIDs: type-safe, K-sortable, and globally unique identifiers inspired by Stripe IDs
xid - xid is a globally unique id generator thought for the web
saltpack - a modern crypto messaging format
gouid - Fast, dependable universally unique ids
launchpad - From Code to Kubernetes in One Step.
sno - Compact, sortable and fast unique IDs with embedded metadata.
typeid-go - Go implementation of TypeIDs: type-safe, K-sortable, and globally unique identifiers inspired by Stripe IDs
Monoton - Highly scalable, single/multi node, sortable, predictable and incremental unique id generator with zero allocation magic on the sequential generation
resource-id - Developer-friendly k-sortable IDs
goflake - A highly scalable and serverless unique ID generator for use in distributed systems. Written in GoLang. Inspired by Twitters Snowflake.