The Feldera Incremental Computation Engine

A Persistent Key-Value Store designed for Streaming processing

Apache Fluss is a streaming storage built for real-time analytics.

This is the code for our VLDB'24 paper "Oasis: An Optimal Disjoint Segmented Learned Range Filter"

Code repository for SNARF

This is the code for our self-designing range filter as described in our SIGMOD'22 paper of the same name.

An efficient external-memory algorithm for the construction of minimal perfect hash functions

Bloom-filter based minimal perfect hash function library

Fast web applications through dynamic, partially-stateful dataflow

MARISA: Matching Algorithm with Recursively Implemented StorAge

Apache Pinot: a real-time analytics database for low-latency SQL and vector search, serving user-facing and agent-facing applications

Shaded version of Apache Hive for Trino

HDFS based on Java implementation as a remote ObjectStore for DataFusion

Apache Auron is an accelerator for big data engines, leveraging native vectorized execution to accelerate query processing.

Apache DataFusion Comet Spark Accelerator

Fast compressed trie dictionary library

A list of learning materials to understand databases internals

First Practical and General-purpose Range Filter

String map implementation through Fast Succinct Trie

Sux4J is an effort to bring succinct data structures to Java.

FST (Fast Succinct Trie) implementation in Rust

Java Abstracted Foreign Function Layer

Apache DataFusion SQL Query Engine

Java binding to Apache DataFusion

Order-preserving key encoder

Http Connector for Apache Flink. Provides sources and sinks for Datastream , Table and SQL APIs.

Apache Flink

A runtime implementation of data-parallel actors.