Takeshi Yamamuro (@maropu)
github

maropu

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Top repositories

1

spark-tpcds-datagen

All the things about TPC-DS in Apache Spark
Scala
104
star
2

spark-sql-flow-plugin

Visualize column-level data lineage in Spark SQL
Scala
86
star
3

lljvm-translator

A lightweight library to inject LLVM bitcode into JVMs
C++
81
star
4

spark-sql-server

Yet Another Spark SQL JDBC/ODBC server based on the PostgreSQL V3 protocol
Scala
34
star
5

integer_encoding_library

An encoder/decoder collection for a sequence of integers
C++
32
star
6

hivemall-spark

A Hivemall wrapper for Spark
Scala
31
star
7

datasketches-spark

Data Sketches for Apache Spark
Scala
21
star
8

vpacker

A simple integer compression library for C/C++/Java
C
14
star
9

dbitv

A x86/64-optimized rank/select dictionary for dense bit-arrays
C++
12
star
10

spark-data-repair-plugin

Provide functionality to build statistical models to repair dirty tabular data in Spark
Jupyter Notebook
12
star
11

spark-kinesis-sql-asl

Amazon Kinesis Source for Structured Streaming
Scala
12
star
12

spark-query-log-plugin

A simple toolkit to analyze Spark query logs
Scala
10
star
13

fuzz-testing-for-spark

[WIP] Run SQL-aware fuzz tests for the Catalyst optimizer in Apache Spark
C++
6
star
14

lockbench

A benchmark for a variety of spin-lock implementation using x86 primitives
C
4
star
15

bitonic_sort

A hardware-conscious and hy-speed sorting code
Shell
4
star
16

spark-graphx-pregel-personalized-pagerank

Personalized PageRank on Pregel/GraphX
Scala
4
star
17

mlflow-example

An example code for MLflow
Python
3
star
18

spark-executor-dict-plugin

Fast Read-only Data Dictionary Attached to Each Spark Executor
Scala
3
star
19

jupyterlab-dockerfile

A docker file for JupyterLab including pyspark
Python
2
star
20

membench

A micro-benchmark for memory stuffs such as caches & TLB
C++
2
star
21

lljvm-example

An example code of lljvm-translator
Shell
2
star
22

jvmci-test

A toy box to test JVMCI in JDK11
C++
1
star