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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.
Off-heap memory in Java
2 projects | dev.to | 8 Apr 2021
Chronicle-Map: Chronicle Map is an in-memory, key-value store, designed for low-latency, and/or multi-process applications.
Solution for hash-map with >100M values
7 projects | /r/java | 21 Dec 2020
https://github.com/OpenHFT/Chronicle-Map - Maybe a better offheap map7 projects | /r/java | 21 Dec 2020
I've wrangled data sets in the ~600gb range using nothing but plain old Java and a few beefy boxes. This can all be kept in memory, but you have to go off-heap. You can use Chronicle Map and Chronicle Values to model this data and work with it off-heap in a way that's still very clean and object oriented. 128gb of RAM is cheap these days, whether you're in the cloud or not.
Kotlin Spring WebFlux, R2DBC and Redisson microservice in k8s 👋✨💫
12 projects | dev.to | 17 Oct 2022
Source code you can find in the GitHub repository. he main idea of this project is the implementation of microservice using Kotlin, Spring WebFlux, PostgresSQL, and Redis with metrics and monitoring and deploying it to k8s. For interacting with PostgresSQL we will use reactive Spring Data R2DBC and for Redis caching using Redisson.
Implement Hibernate 2nd level Cache with Redis, Spring Boot, and Spring Data JPA
3 projects | dev.to | 15 Aug 2021
4. We use the open-source library Redisson to connect to Redis instance and use Redis as Hibernate 2nd level cache. Please see their Github repo for more information.
What are some alternatives?
Jedis - Redis Java client
Hazelcast - Open-source distributed computation and storage platform. Real-time Stream Processing Unconference. Save Your Spot https://hazelcast.com/lp/unconference/
MapDB - MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.
Ehcache - Ehcache 3.x line
Vert.x - Vert.x is a tool-kit for building reactive applications on the JVM
Dropwizard Circuit Breaker - A circuit breaker design pattern for dropwizard
JetBrains Xodus - Transactional schema-less embedded database used by JetBrains YouTrack and JetBrains Hub.
H2 - H2 is an embeddable RDBMS written in Java.
JGroups - The JGroups project
Apache ZooKeeper - Apache ZooKeeper
Atomix - A Kubernetes toolkit for building distributed applications using cloud native principles