Jackson
jsoniter-scala
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Jackson | jsoniter-scala | |
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4 | 29 | |
2,231 | 706 | |
0.7% | - | |
9.5 | 9.6 | |
5 days ago | 1 day ago | |
Java | Scala | |
Apache License 2.0 | MIT License |
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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.
Jackson
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Streaming Large JSON Response in Spring.
To put things simply, this method findAllStreaming() takes an OutputStream to write the whole json response into. To write json into the stream chunk by chunk we are using JsonGenerator. JsonGenerator is provided by Jackson-Core. More detailed about how to write stream event is covered in this blog post by the author of the library.
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Are .csv files a known 'anti-pattern' and/or not a modern data format?
So do XML and JSON.
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Ryū: fast float-to-string conversion (Java lib, 2018 paper)
Jackson already has some improvements for string-to-number conversion over stock JDK parser (https://github.com/FasterXML/jackson-core/pull/677). Would be great if they added faster number-to-string too.
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💾 Java Records 💿 with Jackson 2.12
🐞 Report issues here if you find any
jsoniter-scala
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1BRC Merykitty's Magic SWAR: 8 Lines of Code Explained in 3k Words
What an amazing step by step explanation!
More than 2 years ago I found that byte array view var handles are quite suitable to cook efficient SWAR routines with Java/Scala.
See a lot of other examples of SWAR usage, like parsing Base16/64 string, java.time.* and number values directly from byte arrays:
https://github.com/plokhotnyuk/jsoniter-scala/blob/master/js...
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The Newest Java Json Benchmark Results just dropped
Afaik dsl-json came up with a lot of improvements and inspired a several other libraries like JsonIter and jsonIter-scala. Jsoniter-scala by u/plokhotnyuk is probably the most optimized JSON library on the JVM at this point, and seems to power most of the Scala ecosystem. Some implementations/optimizations eventually made their way back into Jackson and other libraries.
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Please try my JSON library
I was on your place more then 5 years ago, when cut the 1st release of jsoniter-scala.
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Post your problems with Scala 3/2.13 compiler performance!
I've just increased compiler performance in ~1.5x times by adding these JVM options for the code cache
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smithy-translate : a CLI tool to turn openapi specs and json-schema specs into smithy specs, written in Scala
We have our own open-source code-generator that produces Scala code from Smithy. The code module is entirely dependency-free, and the generated code is not biased towards any library, be that http or json. We do however have out-of-the-box integration with jsoniter and http4s.
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Why does Scala seem to be slow at benchmark results?
You can use jsoniter-scala. It is easy to use like upickle.
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Scala needs *highly* efficient libraries to survive in a multi-core age
BTW, jsoniter-scala uses it for faster parsing and serialization using SWAR techniques, like here.
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Using Circe with GADT
Probably you should have both codecs (for Foo and for its T) are implicitly available in the scope, like it is done in the following test for jsoniter-scala:
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Starting with scala
BEWARE: uJson is vulnerable under DoS attacks
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Is Scala a good choice for a data intensive web backend?
Please see sources (and GitHub history of development) of jsoniter-scala as an example in the domain of JSON parsing and serialization.
What are some alternatives?
Moshi - A modern JSON library for Kotlin and Java.
circe - Yet another JSON library for Scala
jsoniter - jsoniter (json-iterator) is fast and flexible JSON parser available in Java and Go
json4s - JSON library
Yasson - Eclipse Yasson project
DSL-JSON - High performance JVM JSON library
Gson - A Java serialization/deserialization library to convert Java Objects into JSON and back
jackson-module-scala - Add-on module for Jackson (https://github.com/FasterXML/jackson) to support Scala-specific datatypes
Genson - Genson a fast & modular Java <> Json library
Play JSON - The Play JSON library
HikariJSON - High-performance JSON parser
spray-json - A lightweight, clean and simple JSON implementation in Scala