delta VS delta-rs

Compare delta vs delta-rs and see what are their differences.

delta

An open-source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs (by delta-io)

delta-rs

A native Rust library for Delta Lake, with bindings into Python (by delta-io)
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delta delta-rs
69 28
7,163 1,916
3.7% 5.0%
9.9 9.7
5 days ago 7 days ago
Scala Rust
Apache License 2.0 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.

delta

Posts with mentions or reviews of delta. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-01-19.
  • Delta Lake vs. Parquet: A Comparison
    2 projects | news.ycombinator.com | 19 Jan 2024
    Delta is pretty great, let's you do upserts into tables in DataBricks much easier than without it.

    I think the website is here: https://delta.io

  • Understanding Parquet, Iceberg and Data Lakehouses
    4 projects | news.ycombinator.com | 29 Dec 2023
    I often hear references to Apache Iceberg and Delta Lake as if they’re two peas in the Open Table Formats pod. Yet…

    Here’s the Apache Iceberg table format specification:

    https://iceberg.apache.org/spec/

    As they like to say in patent law, anyone “skilled in the art” of database systems could use this to build and query Iceberg tables without too much difficulty.

    This is nominally the Delta Lake equivalent:

    https://github.com/delta-io/delta/blob/master/PROTOCOL.md

    I defy anyone to even scope out what level of effort would be required to fully implement the current spec, let alone what would be involved in keeping up to date as this beast evolves.

    Frankly, the Delta Lake spec reads like a reverse engineering of whatever implementation tradeoffs Databricks is making as they race to build out a lakehouse for every Fortune 1000 company burned by Hadoop (which is to say, most of them).

    My point is that I’ve yet to be convinced that buying into Delta Lake is actually buying into an open ecosystem. Would appreciate any reassurance on this front!

  • Getting Started with Flink SQL, Apache Iceberg and DynamoDB Catalog
    4 projects | dev.to | 18 Dec 2023
    Apache Iceberg is one of the three types of lakehouse, the other two are Apache Hudi and Delta Lake.
  • [D] Is there other better data format for LLM to generate structured data?
    1 project | /r/MachineLearning | 10 Dec 2023
    The Apache Spark / Databricks community prefers Apache parquet or Linux Fundation's delta.io over json.
  • Delta vs Iceberg: make love not war
    1 project | /r/MicrosoftFabric | 30 Jun 2023
    Delta 3.0 extends an olive branch. https://github.com/delta-io/delta/releases/tag/v3.0.0rc1
  • Databricks Strikes $1.3B Deal for Generative AI Startup MosaicML
    4 projects | news.ycombinator.com | 26 Jun 2023
    Databricks provides Jupyter lab like notebooks for analysis and ETL pipelines using spark through pyspark, sparkql or scala. I think R is supported as well but it doesn't interop as well with their newer features as well as python and SQL do. It interfaces with cloud storage backend like S3 and offers some improvements to the parquet format of data querying that allows for updating, ordering and merged through https://delta.io . They integrate pretty seamlessly to other data visualisation tooling if you want to use it for that but their built in graphs are fine for most cases. They also have ML on rails type through menus and models if I recall but I typically don't use it for that. I've typically used it for ETL or ELT type workflows for data that's too big or isn't stored in a database.
  • The "Big Three's" Data Storage Offerings
    2 projects | /r/dataengineering | 15 Jun 2023
    Structured, Semi-structured and Unstructured can be stored in one single format, a lakehouse storage format like Delta, Iceberg or Hudi (assuming those don't require low-latency SLAs like subsecond).
  • Ideas/Suggestions around setting up a data pipeline from scratch
    3 projects | /r/dataengineering | 9 Jun 2023
    As the data source, what I have is a gRPC stream. I get data in protobuf encoded format from it. This is a fixed part in the overall system, there is no other way to extract the data. We plan to ingest this data in delta lake, but before we do that there are a few problems.
  • Medallion/lakehouse architecture data modelling
    1 project | /r/dataengineering | 3 Jun 2023
    Take a look at Delta Lake https://delta.io, it enables a lot of database-like actions on files
  • CSV or Parquet File Format
    3 projects | /r/Python | 1 Jun 2023
    I prefer parquet (or delta for larger datasets. CSV for very small datasets, or the ones that will be later used/edited in Excel or Googke sheets.

delta-rs

Posts with mentions or reviews of delta-rs. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-01-19.
  • Delta-rs – a Rust-based implementation of deltalake
    1 project | news.ycombinator.com | 8 Apr 2024
  • Delta Lake vs. Parquet: A Comparison
    2 projects | news.ycombinator.com | 19 Jan 2024
    I work at Databricks, but am pretty must just an OSS nerd, mainly focusing on Delta Rust recently: https://github.com/delta-io/delta-rs

    I did some keyword research and wrote this post cause lots of folks are doing searches for Delta Lake vs Parquet. I'm just trying to share a fair summary of the tradeoffs with folks who are doing this search. It's a popular post and that's why I figured I would share it here.

  • Working with Rust
    2 projects | /r/DevelEire | 16 Jun 2023
    Seeing a lot of great libraries coming out with python bindings in the data world e.g delta-rs Polars. I see it growing in this space as a C++ alternative
  • Ideas/Suggestions around setting up a data pipeline from scratch
    3 projects | /r/dataengineering | 9 Jun 2023
    If I’m not misunderstanding, you could both decode the gRPC protobuf AND write to delta lake in Rust. Tonic, Delta-rs.
  • Delta-rs with upserts
    1 project | /r/dataengineering | 3 Jun 2023
    https://github.com/delta-io/delta-rs/issues/850 … looks like it’s on the roadmap!
  • Read and filter delta files on Azure from a .net application
    1 project | /r/csharp | 31 May 2023
    Microsoft talk a lot about OneLake and that the delta file format will be the standard during the build conference. Is it only me that find it strange that their marketing team talks so much about the delta format when they do not even provide a library to work with the delta format from .net? It would be easy for them to maintain bindings to https://github.com/delta-io/delta-rs but also provide a reader that support V-Order https://learn.microsoft.com/en-us/fabric/data-engineering/delta-optimization-and-v-order?tabs=sparksql
  • Polars query engine 0.29.0 released
    3 projects | /r/rust | 8 May 2023
    I know someone will be adding this on the python side in the coming weeks. On the rust side you can use delta-rs with polars. Though you would be compiling both arrow2 and arrow-rs, so that's quite heavy.
  • Delta Lake without Databricks?
    3 projects | /r/dataengineering | 23 Apr 2023
    You don’t need DBX to use Delta Lake. You can use S3 as the backend and just use the Python Delta Lake library. It works great! https://github.com/delta-io/delta-rs
  • Seeking Recommendations for a Master Data Management Tool
    2 projects | /r/dataengineering | 1 Apr 2023
    Maybe if I get some free time soon I can formalize into a working example. Been wanting an excuse to try similar concept in delta-rs and polars/duckdb vs databricks/spark vs iceberg/polars.
  • Opportunity to contribute to a popular Rust data project (delta-rs)
    1 project | /r/rust | 30 Mar 2023
    delta-rs is a native Rust library for Delta Lake. It's a better way to store data than Parquet files and is fundamentally important library for the Rust data ecosystem. It's tightly integrated with Polars and Datafusion and there is a lot of interesting Rust work to be done.

What are some alternatives?

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

dvc - 🦉 ML Experiments and Data Management with Git

roapi - Create full-fledged APIs for slowly moving datasets without writing a single line of code.

Apache Cassandra - Mirror of Apache Cassandra

materialize - The data warehouse for operational workloads.

lakeFS - lakeFS - Data version control for your data lake | Git for data

ballista - Distributed compute platform implemented in Rust, and powered by Apache Arrow.

hudi - Upserts, Deletes And Incremental Processing on Big Data.

kafka-delta-ingest - A highly efficient daemon for streaming data from Kafka into Delta Lake

iceberg - Apache Iceberg

delta-oss

Apache Avro - Apache Avro is a data serialization system.

polars - Dataframes powered by a multithreaded, vectorized query engine, written in Rust

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.
www.influxdata.com
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