Top 5 Java Comparison Projects
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sirix
SirixDB is an an embeddable, bitemporal, append-only database system and event store, storing immutable lightweight snapshots. It keeps the full history of each resource. Every commit stores a space-efficient snapshot through structural sharing. It is log-structured and never overwrites data. SirixDB uses a novel page-level versioning approach.
Project mention: Endatabas: A SQLite-inspired, SQL document database with full history | news.ycombinator.com | 2023-12-01I'm working on something similar for the JVM, however with no document semantics, but on a much more fine granular level.
JSON is shredded during an initial import into a tree structure with fine granular nodes. Thus, an import can be done with very low memory consumption (permitted that auto-commit issues a sync to disk before RAM space is exceeded). Furthermore, it doesn't require a WAL for consistency. Instead the indexes are stored in a log-structure using a persistent tree (as in every commit creates a new tree root). A sliding snapshot algorithm makes sure, that only a fragment of a page has to be copied on a write.
As thus, it's also a perfect candidate for an event store, storing both the (lightweight) snapshots and tracking the changes optionally.
https://github.com/sirixdb/sirix
The architecture is described over here:
https://sirix.io/docs/concepts.html
Furthermore I'm working on a tutorial for a local client usage (work in progress):
https://sirix.io/docs/jsoniq-tutorial.html
Kind regards
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Onboard AI
Learn any GitHub repo in 59 seconds. Onboard AI learns any GitHub repo in minutes and lets you chat with it to locate functionality, understand different parts, and generate new code. Use it for free at www.getonboard.dev.
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image-comparison
Published on Maven Central Java Library that compares 2 images with the same sizes and shows the differences visually by drawing rectangles. Some parts of the image can be excluded from the comparison. Can be used for automation QA tests.
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are-we-fast-yet
Are We Fast Yet? Comparing Language Implementations with Objects, Closures, and Arrays
See https://github.com/smarr/are-we-fast-yet/blob/master/docs/guidelines.md.
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resemble-java
Java fork of Resemble.js javascript library for Image Comparison (https://github.com/Huddle/Resemble.js)
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InfluxDB
Collect and Analyze Billions of Data Points in Real Time. Manage all types of time series data in a single, purpose-built database. Run at any scale in any environment in the cloud, on-premises, or at the edge.
Index
What are some of the best open-source Comparison projects in Java? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | sirix | 1,035 |
| 2 | japicmp | 657 |
| 3 | image-comparison | 307 |
| 4 | are-we-fast-yet | 302 |
| 5 | resemble-java | 3 |
