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Top 23 Java Database Projects
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shardingsphere
Distributed SQL transaction & query engine for data sharding, scaling, encryption, and more - on any database.
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
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debezium
Change data capture for a variety of databases. Please log issues at https://issues.redhat.com/browse/DBZ.
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Trino
Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
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Android Debug Database
A library for debugging android databases and shared preferences - Make Debugging Great Again
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starrocks
StarRocks, a Linux Foundation project, is a next-generation sub-second MPP OLAP database for full analytics scenarios, including multi-dimensional analytics, real-time analytics, and ad-hoc queries. InfoWorld’s 2023 BOSSIE Award for best open source software.
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Zeppelin
Web-based notebook that enables data-driven, interactive data analytics and collaborative documents with SQL, Scala and more.
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lettuce
Advanced Java Redis client for thread-safe sync, async, and reactive usage. Supports Cluster, Sentinel, Pipelining, and codecs.
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Yes but not in the community version:
https://github.com/dbeaver/dbeaver/wiki/Schema-compare
Opposite to what the documentation tells, the full prefix is jdbc:shardingsphere:absolutepath. I've opened a PR to fix the documentation.
Project mention: Java virtual threads caused a deadlock in TPC-C for PostgreSQL | news.ycombinator.com | 2024-01-15Looks like HikariCP is also awaiting fixes for this https://github.com/brettwooldridge/HikariCP/pull/2055
We have some of this functionality in Presto (https://github.com/prestodb/presto), but it takes fair bit of work to implement it for all the different backends.
If your data lacks uniform time intervals between consecutive entries, QuestDB offers a solution by allowing you to sample your data. After that, MindsDB facilitates creating, training, and deploying your time-series models.
Neo4j
Apache ZooKeeper — a distributed coordination, synchronization, and configuration service (written in Java);
Project mention: Variant in Apache Doris 2.1.0: a new data type 8 times faster than JSON for semi-structured data analysis | dev.to | 2024-03-27As an open-source real-time data warehouse, Apache Doris provides semi-structured data processing capabilities, and the newly-released version 2.1.0 makes a stride in this direction. Before V2.1, Apache Doris stores semi-structured data as JSON files. However, during query execution, the real-time parsing of JSON data leads to high CPU and I/O consumption in addition to high query latency, especially when the dataset is huge and complicated. Moreover, the lack of a pre-defined schema means there is no handle for query optimization.
Project mention: Choosing Between a Streaming Database and a Stream Processing Framework in Python | dev.to | 2024-02-10They manage data in the application layer and your original data stays where it is. This way data consistency is no longer an issue as it was with streaming databases. You can use Change Data Capture (CDC) services like Debezium by directly connecting to your primary database, doing computational work, and saving the result back or sending real-time data to output streams.
Project mention: Trino: Fast distributed SQL query engine for big data analytics | news.ycombinator.com | 2024-03-19
Apache Cassandra
Project mention: A MySQL compatible database engine written in pure Go | news.ycombinator.com | 2024-04-09tidb has been around for a while, it is distributed, written in Go and Rust, and MySQL compatible. https://github.com/pingcap/tidb
Somewhat relatedly, StarRocks is also MySQL compatible, written in Java and C++, but it's tackling OLAP use-cases. https://github.com/StarRocks/starrocks
The session logs show that the application loads configurations and establishes a connection with a PostgreSQL database. This involves initializing a HikariCP connection pool and Flyway for database migrations. The logs confirm that the database schema validation and migration checks were successful. The startup of the Jetty HTTP server follows, and the server becomes operational and ready to accept requests on the specified port.
Now we can proceed with the definition of Apache Zeppelin. It is a web-based notebook that enables data-driven, interactive data analytics and collaborative documents with Python, Scala, SQL, Spark, and more. You can execute code and even schedule a job (via cron) to run at regular intervals.
> 2. ORMs do not hide SQL nastiness.
This is certainly true!
I mean: ORMs are now well known to "make the easy queries slightly more easy, while making intermediate queries really hard and complex queries impossible".
I think the are of ORMs is over. It simply did not deliver.
If a book on SQL is --say-- 100 pages, a book on Hibernate is 400 pages. So much to learn just to make the easy queries slightly easier to type? Just not worth it.
I prefer jooq any day over ORMs. And dont get me started over what tools like Hasuna have to offer.
There are also some languages (forgot the names) that are SQL-done-right. Select in the back, more type safe, more logic, more in the same steps as the query gets executed. These need to be adopted by PG and MySQL and we're good to go. (IMHO)
https://www.jooq.org/
https://hasura.io/
Project mention: Redis Cluster with heavy write application results in bad redis read latency | /r/redis | 2023-06-05I am using lettuce java library with async api. They says it used pipelining as default. Also I tried manually command flushing. I don't see the improvement.
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).
Java Database related posts
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System Design: Databases and DBMS
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Jailer – open-source database client
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Unconventional Aggregation
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Let's write a simple microservice in Clojure
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How Slow Is Database IO？
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Serious flaws in SQL – Edgar F. Codd (1990)
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Computing Engine on Web
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A note from our sponsor - SaaSHub
www.saashub.com | 4 May 2024
Index
What are some of the best open-source Database projects in Java? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | dbeaver | 37,481 |
| 2 | shardingsphere | 19,442 |
| 3 | HikariCP | 19,424 |
| 4 | Presto | 15,603 |
| 5 | QuestDB | 13,501 |
| 6 | Neo4j | 12,486 |
| 7 | Apache ZooKeeper | 11,937 |
| 8 | Jedis | 11,643 |
| 9 | Realm | 11,443 |
| 10 | doris | 11,389 |
| 11 | debezium | 9,884 |
| 12 | Trino | 9,576 |
| 13 | Apache Cassandra | 8,521 |
| 14 | Android Debug Database | 8,342 |
| 15 | shardingsphere-elasticjob | 8,059 |
| 16 | starrocks | 7,789 |
| 17 | Flyway | 7,775 |
| 18 | Leaf | 6,288 |
| 19 | Zeppelin | 6,266 |
| 20 | jOOQ | 5,893 |
| 21 | Hibernate | 5,751 |
| 22 | Apache Hive | 5,335 |
| 23 | lettuce | 5,269 |
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