Agrona
javakdb
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| Agrona | javakdb | |
|---|---|---|
| 5 | 2 | |
| 2,736 | 49 | |
| 0.5% | - | |
| 8.4 | 4.9 | |
| 22 days ago | 5 months ago | |
| Java | Java | |
| Apache License 2.0 | Apache License 2.0 |
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.
Agrona
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Any library you would like to recommend to others as it helps you a lot? For me, mapstruct is one of them. Hopefully I would hear some other nice libraries I never try.
Aeron for low latency apps and Agrona is you're using Aeron for data structures
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Need help navigating the Java ecosystem (coming from C++)
Martin Thompson is one of the leaders in that space: his blog is a really great place to start. His Agrona library is a bunch of high-performance data structures, which you can use directly, but which can also serve as examples of writing such code.
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WritableImage and real-time ray-tracing. I need help!
ByteBuffer methods have quite a bit of overhead. You could further try to (1) writing to a byte[] first and then using the put(byte[]) method, or (2) use sun.misc.Unsafe::putByte (maybe try with Agrona's DirectBuffer and copy the necessary lines if need be).
- Are you interested in learning about low latency zero allocation programming?
javakdb
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Java OSS with the WORST code quality you’ve ever seen?
The Java client for the kdb+ database. It's a single file, see for yourself: https://github.com/KxSystems/javakdb/blob/master/javakdb/src/main/java/com/kx/c.java
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Are you interested in learning about low latency zero allocation programming?
Since I left this domain, Kx Systems has hired a Java dev, and they now have a library they push to Maven central, and they've formatted an commented the file. It now looks like this.
What are some alternatives?
Disruptor - High Performance Inter-Thread Messaging Library
Spring Boot - Spring Boot
fastutil - fastutil extends the Java™ Collections Framework by providing type-specific maps, sets, lists and queues.
megabasterd - Yet another unofficial (and ugly) cross-platform MEGA downloader/uploader/streaming suite.
Chronicle Queue - Micro second messaging that stores everything to disk
kdb - Companion files to kdb+ and q
Eclipse Collections - Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.
jmurmel - A standalone or embeddable JVM based interpreter/ compiler for Murmel, a single-namespace Lisp dialect inspired by Common Lisp
JCTools
jsch - Mirror of JSch from JCraft.
Koloboke - Java Collections till the last breadcrumb of memory and performance
Feign - Feign makes writing java http clients easier