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Top 23 Java High Performance Projects
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# https://github.com/brettwooldridge/HikariCP/wiki/About-Pool-Sizing
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Project mention: Any suggestions for good open source Java codebases to study(With below criteria)? | reddit.com/r/java | 2022-11-18
Overall, there are a ton of good projects out there, but it's hard to recommend a list without more information about what topics you are interested in. Databases? maybe Flyway. Performance & synchronization? maybe disruptor. Mobile dev? maybe attach.... etc.
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Sonar
Write Clean Java Code. Always.. Sonar helps you commit clean code every time. With over 600 unique rules to find Java bugs, code smells & vulnerabilities, Sonar finds the issues while you focus on the work.
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Eclipse Vert.x - Add amazing Async to any Java stack
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incubator-seatunnel
SeaTunnel is a distributed, high-performance data integration platform for the synchronization and transformation of massive data (offline & real-time).
Project mention: Major Release! SeaTunnel 2.3.0-beta supports the self-innovate SeaTunnel Engine and more connectors! | dev.to | 2022-11-03 -
Project mention: if you had to restart at 0 knowledge what would you do? | reddit.com/r/PinoyProgrammer | 2022-10-11
Install some tool that would help you see the performance of your system, like a graph of the CPU usage, the top processes being used, disk activity/read/write, etc. Every time you run your program, glance at those numbers, eventually you'll develop an intuition. Basically write code and profile. A good exercise would be practicing with data structures, this site has an exhaustive list of them, find some stuff that's interesting then google the implementation, then build it yourself, test it, debug, profile, optimize, and understand the performance constraints. Eventually you'll develop better understanding and can compare between other people's works, optimizing them. If you want to go beyond, read some papers on lock-free algorithms https://github.com/JCTools/JCTools/tree/master/resources then read Brendan Gregg's blog and books. Read about how profiling tools work https://github.com/andikleen/pmu-tools/wiki/toplev-manual
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Project mention: WritableImage and real-time ray-tracing. I need help! | reddit.com/r/JavaFX | 2022-03-28
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).
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InfluxDB
Build time-series-based applications quickly and at scale.. InfluxDB is the Time Series Data Platform where developers build real-time applications for analytics, IoT and cloud-native services in less time with less code.
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Eclipse Collections
Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.
If you want design like that, you can just use Eclipse Collections (https://www.eclipse.org/collections/). But do note that that design has its own problems if you are after perfection.
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tlaplus
TLC is an explicit state model checker for specifications written in TLA+. The TLA+Toolbox is an IDE for TLA+.
Project mention: How has studying Mathematics changed/shaped your worldview? | reddit.com/r/math | 2022-08-31Leslie Lamport's TLA+ is also good, but that's used more for reasoning about distributed systems https://lamport.azurewebsites.net/tla/tla.html
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GS Collections
GS Collections has been migrated to the Eclipse Foundation, re-branded as Eclipse Collections. https://www.eclipse.org/collections/
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fastutil
fastutil extends the Java™ Collections Framework by providing type-specific maps, sets, lists and queues.
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bitsail
BitSail is a distributed high-performance data integration engine which supports batch, streaming and incremental scenarios. BitSail is widely used to synchronize hundreds of trillions of data every day.
Project mention: BitSail - distributed high-performance data integration engine. | reddit.com/r/java | 2022-11-01 -
Simple Java Mail
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TornadoVM
TornadoVM: A practical and efficient heterogeneous programming framework for managed languages
Project mention: TornadoVM: A practical and efficient heterogeneous programming framework for managed languages | reddit.com/r/ProgrammingLanguages | 2022-02-06 -
Project mention: Hash, displace, and compress: Perfect hashing with Java | reddit.com/r/java | 2022-03-28
...sounds like quite a niche use-case, but I agree that I cannot think of any other stream-hashing library. I hoped https://github.com/OpenHFT/zero-allocation-hashing would do, but it doesn't. However, https://github.com/OpenHFT/Chronicle-Bytes has xxHash if that's your thing.
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ActiveJ
ActiveJ is an alternative Java platform built from the ground up. ActiveJ redefines core, web and high-load programming in Java, providing simplicity, maximum performance and scalability
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Firefly
Firefly is an asynchronous web framework for rapid development of high-performance web application. (by hypercube1024)
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Project mention: Dominion VS Artemis, the missing benchmarks (link in the comments) | reddit.com/r/java | 2022-11-27
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Project mention: 3 Reasons Why All Java Developers Should Consider Quarkus | reddit.com/r/java | 2022-05-04
Hi u/Sheldor5 - I think you are referring to the issue you made me aware of 3 months ago which we since then fixed, see https://github.com/agroal/agroal/pull/48.
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Scout APM
Truly a developer’s best friend. Scout APM is great for developers who want to find and fix performance issues in their applications. With Scout, we'll take care of the bugs so you can focus on building great things 🚀.
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
The latest post mention was on 2022-11-27.
Java High Performance related posts
- Any suggestions for good open source Java codebases to study(With below criteria)?
- Major Release! SeaTunnel 2.3.0-beta supports the self-innovate SeaTunnel Engine and more connectors!
- SeaTunnel Will Support CDC As A Feature Soon!
- SeaTunnel Will Support CDC As A Feature Soon!
- A high-performance, distributed, data integration framework
- Help with bungeecord server
- New candidate JEP: 431: Sequenced Collections
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A note from our sponsor - Zigi
www.zigi.ai | 29 Nov 2022
Index
What are some of the best open-source High Performance projects in Java? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | HikariCP | 17,528 |
| 2 | Disruptor | 15,335 |
| 3 | Vert.x | 13,274 |
| 4 | incubator-seatunnel | 4,255 |
| 5 | JCTools | 3,108 |
| 6 | Tablesaw | 3,043 |
| 7 | Agrona | 2,427 |
| 8 | Eclipse Collections | 2,094 |
| 9 | tlaplus | 1,916 |
| 10 | GS Collections | 1,808 |
| 11 | Rapidoid | 1,605 |
| 12 | fastutil | 1,491 |
| 13 | bitsail | 1,092 |
| 14 | Simple Java Mail | 1,024 |
| 15 | Koloboke | 965 |
| 16 | HPPC | 887 |
| 17 | DSL-JSON | 826 |
| 18 | TornadoVM | 815 |
| 19 | Zero-Allocation-Hashing | 701 |
| 20 | ActiveJ | 551 |
| 21 | Firefly | 289 |
| 22 | dominion-ecs-java | 138 |
| 23 | agroal | 102 |
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