Jaehyeon Kim
Jaehyeon Kim

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Asynchronous Processing Using Job Queue

May 12, 20163 min read DevelopmentR

In this post, a way to overcome one of R's limitations of lack of multi-threading is discussed by job queuing using the jobqueue package

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Boost SparkR With Hive

April 30, 20168 min read Data EngineeringApache HiveApache SparkHiveQLRSparkR

One option to boost SparkR's performance as a data processing engine is manipulating data in Hive Context rather than in limited SQL Context. In this post, we discuss how to run SparkR in Hive Context.

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Quick Start SparkR in Local and Cluster Mode

March 2, 20168 min read Data EngineeringApache SparkRSparkR

In this post, we discuss how to execute SparkR in a local and cluster mode.

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Spark Cluster Setup on VirtualBox

February 22, 20163 min read Data EngineeringApache SparkRSparkR

We discuss how to set up a Spark cluser between 2 Ubuntu guests. Firstly it begins with machine preparation.

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Quick Test to Wrap Python in R

November 21, 20154 min read DevelopmentPythonR

We discuss how to make use of Python outcomes in R using a package.

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Some Thoughts on Python for R Users

August 9, 20155 min read DevelopmentPythonR

An article that motivates the benefits of Python for R users.

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Some Thoughts on Python

August 8, 20153 min read DevelopmentPythonR

Introduction to Python

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Setup Random Seeds on Caret Package

May 30, 20156 min read Data AnalysisR

Setting up random seed is important for reproducibility of analysis. In this post, we discuss how to generate random seed using the caret package.

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Packaging Analysis

March 24, 20158 min read Data AnalysisR

We discuss how to turn analysis into an R package.

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Parallel Processing on Single Machine - Part III

March 19, 20158 min read Data Analysis Parallel Processing on Single MachineR

Part II that demonstrates how to implement parallem processing on single machine in R

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Profile
Jaehyeon Kim
Jaehyeon Kim
Data Engineer | Data Streaming Enthusiast | Powering ML & AI in Real Time
Taxonomies
Data Streaming 68 Data Engineering 38 Development 28 Data Analysis 17 Data Integration 12 Open Source 7 Kubernetes 5 Security 5 Machine Learning 4 Data Architecture 3 Data Processing 3 Big Data 2 System Architecture 2 Artificial Intelligence 1 Conference 1 Data Platform 1 Industry 4.0 1 Stream Processing 1 Web Development 1
Python 75 Apache Kafka 64 Docker 52 AWS 50 R 37 Apache Flink 33 Kpow 23 Apache Beam 17 Apache Spark 15 Kafka Connect 15 Amazon MSK 14 AWS Lambda 14 Dbt 13 Amazon EMR 11 Kubernetes 8 Pyflink 8 Kotlin 7 PostgreSQL 7 Change Data Capture (CDC) 6 Debezium 6 Dynamic-Des 6 Amazon DynamoDB 5 Apache Airflow 5 Discrete Event Simulation 5 Factor House Local 5 PySpark 5 Amazon API Gateway 4 Amazon Athena 4 AWS Glue 4 AWS Glue Schema Registry 4 BigQuery 4 Digital Twin 4 FastAPI 4 Kafka 4 Minikube 4 R Shiny 4 RServe 4 SimPy 4 Amazon EKS 3 Amazon QuickSight 3 ALL 165
Kafka Development With Docker 11 Apache Beam Python Examples 10 Real Time Streaming With Kafka and Flink 7 DBT Pizza Shop Demo 6 Tree Based Methods in R 6 Apache Beam Local Development With Python 5 DBT for Effective Data Transformation on AWS 5 Getting Started With Real-Time Streaming in Kotlin 5 Kafka Connect for AWS Services Integration 5 Serverless Data Product 4 Data Lake Demo Using Change Data Capture 3 Getting Started With Pyflink on AWS 3 Kafka Development on Kubernetes 3 Parallel Processing on Single Machine 3 Realtime Dashboard With FastAPI, Streamlit and Next.js 3 API Development With R 2 Building Real-Time Digital Twins With Dynamic-Des 2 DBT Guide for Production 2 Deploy Python Stream Processing App on Kubernetes 2 From Prototype to Production: Real-Time Product Recommendation With Contextual Bandits 2 ALL 23
2026 11 2025 13 2024 29 2023 39 2022 15 2021 7 2020 1 2019 5 2018 2 2017 6 2016 6 2015 15 2014 5
Posts
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    Building an Agentic Analytics System Over an Iceberg Lakehouse
    July 18, 2026
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    Dynamic DES V0.11.1: A Declarative API With Postgres and Redis Connectors
    July 17, 2026
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    Introducing Odctl: One CLI for a Local Open Data Stack
    July 16, 2026
  • featured.png
    One Simulation, Two Pipelines: Batch Training and Live Inference With Dynamic DES V0.8.1
    May 25, 2026
  • featured.png
    Building an Event-Driven Hybrid Digital Twin With Dynamic-Des
    April 29, 2026
  • featured.png
    Why Digital Twins Are Rewiring Industry 4.0
    April 22, 2026
  • featured.png
    Building a Real-Time Industrial Digital Twin With Apache Flink and Online Machine Learning
    April 21, 2026
  • featured.png
    Slides as Code: Integrating Reveal.js Into My Hugo Blog
    March 9, 2026
  • featured.gif
    Productionizing an Online Product Recommender Using Event Driven Architecture
    February 23, 2026
  • featured.png
    Stream Processing With Flink in Kotlin
    December 10, 2025
  • featured.png
    Building an Agentic Analytics System Over an Iceberg Lakehouse
    July 18, 2026
  • featured.png
    Dynamic DES V0.11.1: A Declarative API With Postgres and Redis Connectors
    July 17, 2026
  • featured.png
    Introducing Odctl: One CLI for a Local Open Data Stack
    July 16, 2026
  • featured.png
    One Simulation, Two Pipelines: Batch Training and Live Inference With Dynamic DES V0.8.1
    May 25, 2026
  • featured.jfif
    Current London 2026: Building End-to-End Data Lineage
    May 22, 2026
  • featured.png
    Building an Event-Driven Hybrid Digital Twin With Dynamic-Des
    April 29, 2026
  • featured.png
    Why Digital Twins Are Rewiring Industry 4.0
    April 22, 2026
  • featured.png
    Building a Real-Time Industrial Digital Twin With Apache Flink and Online Machine Learning
    April 21, 2026
  • featured.png
    Slides as Code: Integrating Reveal.js Into My Hugo Blog
    March 9, 2026
  • featured.gif
    Productionizing an Online Product Recommender Using Event Driven Architecture
    February 23, 2026
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Jaehyeon Kim

Data Engineer | Data Streaming Enthusiast | Powering ML & AI in Real Time

Copyright © 2023-2026 Jaehyeon Kim. All Rights Reserved.