websocket
GJSON
websocket | GJSON | |
---|---|---|
44 | 34 | |
18,557 | 13,636 | |
- | - | |
5.3 | 5.1 | |
over 1 year ago | 12 days ago | |
Go | Go | |
BSD 2-clause "Simplified" License | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
websocket
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Websocket memory usage
What I can say is that if you will use Gorilla Websocket (https://github.com/gorilla/websocket) (it's archived now unfortunately, but still super robust) - then you can go to sth like 15-20kb per connection - see https://github.com/FZambia/go_websocket_memory - to achieve this you need to reduce read buffer size, reuse write buffers, use goroutine after hijacking connection (following chat example in Gorilla WebSocket repo).
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Is there an alternative to gorilla websocket?
No Bugs? https://github.com/gorilla/websocket/issues Even if that were true at the time of stoping development, "No bugs" is something that can never be said for any software. I really wish this community stopped recomending to use abandoned libraries if only for the potential Security issues. A not maintained Library is a very lucrative target for vulnerability hunting.
- As gorilla websocket has been archived which library can we use?
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gorilla fork
The Gorilla WebSocket License says:
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WebSockets in Go: A hijackers' perspective
We'll be using WebSocket library: "github.com/gorilla/websocket" ❣️
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How to install gorilla websocket in go 1.20?
package github.com/gorilla/websocket is not a main package
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Polygon: Json Database System designed to run on small servers (as low as 16MB) and still be fast and flexible.
As for Websockets, (https://github.com/gorilla/websocket) it uses ws.NextReader() to handle heavy loads of connections.
- Best way for broadcast message un websocket
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Gorilla/websocket or Melody?
I'm looking to build a game server that uses web sockets to communicate with clients, I've looked into some of the libraries and the main ones seem to be gorilla websockets and melody.
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this code always comes back as Not found. in ubuntu 22
If this is what your import looks like "github.com/gorilla/websocket" that's wrong it should be just "github.com/gorilla/websocket"
GJSON
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Rob Pike: Gobs of data (2011)
Someone made a benchmark of serialization libraries in go [1], and I was surprised to see gobs is one of the slowest ones, specially for decoding. I suspect part of the reason is that the API doesn't not allow reusing decoders [2]. From my explorations it seems like both JSON [3], message-pack [4] and CBOR [5] are better alternatives.
By the way, in Go there are a like a million JSON encoders because a lot of things in the std library are not really coded for maximum performance but more for easy of usage, it seems. Perhaps this is the right balance for certain things (ex: the http library, see [6]).
There are also a bunch of libraries that allow you to modify a JSON file "in place", without having to fully deserialize into structs (ex: GJSON/SJSON [7] [8]). This sounds very convenient and more efficient that fully de/serializing if we just need to change the data a little.
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1: https://github.com/alecthomas/go_serialization_benchmarks
2: https://github.com/golang/go/issues/29766#issuecomment-45492...
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3: https://github.com/goccy/go-json
4: https://github.com/vmihailenco/msgpack
5: https://github.com/fxamacker/cbor
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6: https://github.com/valyala/fasthttp#faq
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7: https://github.com/tidwall/gjson
8: https://github.com/tidwall/sjson
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Jj: JSON Stream Editor
```
I don't think there is a way to sort an array, though. However, there is an option to have keys sorted. Personally, I don't think there is much annoyance in that. One could just pipe `jj` output to `sort | uniq -c`.
[0]: https://github.com/tidwall/gjson/blob/master/SYNTAX.md
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Library to analyze an arbitrary JSON string
I’m using GJSON, so far so good!
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Mapping json fields in api calls to a struct to store them in a database or cache
If the fields you need are just a small subset of the whole json, maybe https://github.com/tidwall/gjson might be of use to read only those (using jsonpath) without needing to create complete corresponding structs.
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Which CPU to buy based on profiling
Thank you for the reminder, it's never too much of it :) Didn't say it, but the code was pprof-iled many times and i can really say it's well optimized. I use own libraries with on-the-fly equations (sums, avgs, emas, stds, ...) wherever possible and also made custom json parser as json messages are in fixed format, so the parser is about 10x faster than gjson. I optimized it to the point that I avoided using maps, and rather iterate via slice where ever possible.
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Jetro - transform and query JSON format
You are right, for learning purposes this fit my needs, but I can imagine an approach similar to this repo: https://github.com/tidwall/gjson
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Any way to convert unknown/dynamic json to generic object structure
https://github.com/tidwall/gjson is a relatively sensible library if this is something you need to deal with and the structure is actually unknowable.
- Need help with getting the grandchild in nested JSON
- Double down on python or learn Go
- Ad hoc JSON parsing
What are some alternatives?
Fiber - ⚡️ Express inspired web framework written in Go
jsoniter - A high-performance 100% compatible drop-in replacement of "encoding/json"
go-socket.io - socket.io library for golang, a realtime application framework.
go-json - Fast JSON encoder/decoder compatible with encoding/json for Go
Mercure - 🪽 An open, easy, fast, reliable and battery-efficient solution for real-time communications
intrinsic
Gin - Gin is a HTTP web framework written in Go (Golang). It features a Martini-like API with much better performance -- up to 40 times faster. If you need smashing performance, get yourself some Gin.
gojson - Automatically generate Go (golang) struct definitions from example JSON
chi - lightweight, idiomatic and composable router for building Go HTTP services
hub - A command-line tool that makes git easier to use with GitHub.
Centrifugo - Scalable real-time messaging server in a language-agnostic way. Self-hosted alternative to Pubnub, Pusher, Ably. Set up once and forever.
ngrok - Unified ingress for developers