A portable embedded database using Arrow.

Stack trace visualizer

Get Method Sampling from Java Flight Recorder Dump and convert to FlameGraph compatible format.

Java Native Access

Mirror of the official PostgreSQL GIT repository. Note that this is just a *mirror* - we don't work with pull requests on github. To contribute, please see https://wiki.postgresql.org/wiki/Submitti…

A new data structure for accurate on-line accumulation of rank-based statistics such as quantiles and trimmed means

Stream summarizer and cardinality estimator.

LinDB is a scalable, high performance, high availability distributed time series database.

Scalable NameNode RPC Proxy for HDFS Federation

A high performance and generic framework for distributed DNN training

Deep Learning Pipelines for Apache Spark

Go configuration with fangs

StarCraft II Learning Environment

An end-to-end machine learning and data mining framework on Hadoop

Classical RecSys algorithms implemented by using TensorFlow Estimators

A Flexible and Powerful Parameter Server for large-scale machine learning

A small utility to modify the dynamic linker and RPATH of ELF executables

An end-to-end machine learning and data mining framework on Hadoop

Code for KDD 2014 paper "Mining Topics in Documents: Standing on the Shoulders of Big Data"

Aim to create distributed inverted indexes of English Wikipedia dump using Hadoop.

Liu Yang's implementation for Gibbs Sampling of LDA

Algorithm implementation for filling a polygon

It's my project of Object-Oriented Technology course 2013 in Fudan University.

spark ml 算法原理剖析以及具体的源码实现分析

Apache Spark - A unified analytics engine for large-scale data processing

Type-safe data migration tool for Slick, Git and beyond.

Azkaban workflow manager.

A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.

Notes talking about the design and implementation of Apache Spark