db VS memmap-rs

Compare db vs memmap-rs and see what are their differences.

db

A blazing fast ACID compliant NoSQL DataLake with support for storing 17 formats of data. Full SQL and DML capabilities along with Java stored procedures for advanced data processing. (by blobcity)

memmap-rs

cross-platform Rust API for memory mapped IO (by danburkert)
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db memmap-rs
1 3
173 519
0.0% -
0.0 0.0
almost 2 years ago about 2 years ago
Java Rust
GNU Affero General Public License v3.0 Apache License 2.0
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
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.

db

Posts with mentions or reviews of db. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-10-01.
  • Freqfs: In-memory filesystem cache for Rust
    4 projects | news.ycombinator.com | 1 Oct 2021
    We actually did work on this a few years ago but did not get enough takers for it. We created a one size fits all database, that leverages the full capability of the file system.

    Try it here: https://github.com/blobcity/db

    PS: I am the chief architect of the DB, and the project is no longer being actively maintained by us. But if you make a contribution, we will oblige to review and merge a PR.

    Bottom line, nothing you do can make your database faster than the filesystem. So why not make a database that just uses the filesystem to the fullest, than creating a filesystem on top of a filesystem. BlobCity DB does not create a secondary filesystem. It dumps all data directly to the filesystem, thereby giving peak filesystem performance. This is scientifically really the best it gets from a performance standpoint. Not necessarily the most efficient in data storage / data-compression standpoint.

    This means, we gain speed, while compromising on data-compression. We produce a larger storage footprint, but are insanely fast. Storage is cheap, compute isn't. So that should be okay I suppose.

memmap-rs

Posts with mentions or reviews of memmap-rs. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-10-01.

What are some alternatives?

When comparing db and memmap-rs you can also consider the following projects:

freqfs - An in-memory filesystem cache layer based on tokio::fs, with least-frequently-used eviction

nom - Rust parser combinator framework

openEtG

osmpbf - A Rust library for reading the OpenStreetMap PBF file format (*.osm.pbf).