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. (by jankotek)

MapDB Alternatives

Similar projects and alternatives to MapDB

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a better MapDB alternative or higher similarity.

MapDB reviews and mentions

Posts with mentions or reviews of MapDB. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-10-27.
  • GC, hands off my data!
    6 projects | dev.to | 27 Oct 2023
    I decided to start with an overview of what open-source options are currently available. When it comes to the implementation of the on-heap cache mechanism, the options are numerous – there is well known: guava, ehcache, caffeine and many other solutions. However, when I began researching cache mechanisms offering the possibility of storing data outside GC control, I found out that there are very few solutions left. Out of the popular ones, only Terracotta is supported. It seems that this is a very niche solution and we do not have many options to choose from. In terms of less-known projects, I came across Chronicle-Map, MapDB and OHC. I chose the last one because it was created as part of the Cassandra project, which I had some experience with and was curious about how this component worked:
  • Permazen: Language-natural persistence to KV stores
    6 projects | news.ycombinator.com | 19 Sep 2023
    So, it's an object database, like Zope's ZODB on Python?

    I like the idea, but I'd like to learn about use cases for it.

    Otherwise, in Java, MapDB is about as far as I'd be willing to go: https://github.com/jankotek/mapdb/

  • what is the best persistent collection library?
    5 projects | /r/java | 2 Sep 2022
    Anyway, without further ado, I found MapDB (https://github.com/jankotek/mapdb) which does exactly that. Of course, they also provide their own Java collection implementations as well, so I suspect using it with Vavr would be a poor idea, but it is very cool in its own right anyway. Of course, there is also Apache Derby and HSQLDB, and those great options with a long history as well. I haven't played with these in a while though, so I might give them a try again soon for some personal stuff.
  • Ask HN: What are the best key-value self-hosted storage engines?
    5 projects | news.ycombinator.com | 31 Mar 2022
    In Java I like

    https://mapdb.org/

    It is more feature rich than you want but in Python I'd probably just use sqlite3 since it is in the standard library.

  • Solution for hash-map with >100M values
    7 projects | /r/java | 21 Dec 2020
    I have had good results with mapdb
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Stats

Basic MapDB repo stats
5
4,829
0.0
3 months ago

jankotek/mapdb is an open source project licensed under Apache License 2.0 which is an OSI approved license.

The primary programming language of MapDB is Java.

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