Frank Rosner

My professional interests are cloud and big data technologies, machine learning, and software development. I like to read source code and research papers to understand how stuff works. Pronoun: He

Joined on Oct 8, 2017

Work

Lead Production Engineer at DataStax

DataStax Inc

58 posts published

139 comments written

11 tags followed

Frank Rosner

May 17

Border Gateway Protocol (BGP)

#networking #security #protocols #internet

6 min read

Want to connect with Frank Rosner?

Create an account to connect with Frank Rosner. You can also sign in below to proceed if you already have an account.

Create Account

Already have an account? Sign in

Frank Rosner

May 15

Server Name Indication (SNI)

#networking #cloud #security

7 min read

Frank Rosner

May 14

Hashed Wheel Timers

#datastructures #algorithms #java

5 min read

Frank Rosner for DataStax Inc

Feb 3

How We Built a Serverless Backend Using GraalVM, AWS Lambda and Astra DB (Part 2)

#showdev #aws #cloud #lambda

10 min read

Frank Rosner

Feb 3

Hausmeister: Automating Slack Channel Archiving Using GitHub Actions

#slack #productivity #serverless #github

8 min read

Frank Rosner for DataStax Inc

Nov 11 '22

Using PromQL Subqueries to Calculate Service Level Indicators

#prometheus #monitoring #devops #sre

3 min read

Frank Rosner for DataStax Inc

Aug 26 '22

How We Built a Serverless Backend Using GraalVM, AWS Lambda and Astra DB (Part 1)

#showdev #aws #cloud #lambda

8 min read

Frank Rosner for DataStax Inc

Jul 17 '22

How to Analyze Prometheus Alertmanager Alerts Using S3, Athena and CloudFormation

#aws #cloud #sre #devops

7 min read

Frank Rosner

Nov 26 '21

Using a Private GitHub Repository as a Helm Chart Repository

#kubernetes #helm #git #github

6 min read

Frank Rosner

Oct 4 '21

Reclaiming Persistent Volumes in Kubernetes

#kubernetes #cloud #devops #azure

7 min read

Frank Rosner

May 2 '21

Automatic Configuration Reloading in Java Applications on Kubernetes

#java #kubernetes #cloud #devops

6 min read

Frank Rosner

Mar 31 '21

Managing Cluster Membership with Etcd

#java #distributedsystems #cluster #etcd

10 min read

Frank Rosner

Feb 18 '21

Writing a Simple TCP Server Using Kqueue

#kernel #go #macos #network

9 min read

Frank Rosner

Nov 30 '20

Writing My Own Dynamic Memory Management

#memory #algorithms #datastructures #c

8 min read

Frank Rosner

Nov 22 '20

Writing My Own Shell

#terminal #x86 #shell #c

5 min read

Frank Rosner

Nov 15 '20

Writing My Own Keyboard Driver

#hardware #x86 #os #c

11 min read

Frank Rosner

Nov 9 '20

Writing My Own VGA Driver

#graphics #x86 #os #c

8 min read

Frank Rosner

Nov 7 '20

Writing My Own Boot Loader

#assembler #x86 #os #c

350

15 min read

Frank Rosner

Oct 30 '20

How to Get Your Next Software Engineering Job

#career #jobs #motivation #interview

13 min read

Frank Rosner

May 19 '20

Implementing and Testing an Angular Feature Flag Directive

#angular #testing #javascript #webdev

6 min read

Frank Rosner

Feb 24 '20

Implementing a Consumer-Driven Contract Testing Workflow with Pact Broker and Gitlab CI

#pact #tdd #devops #testing

10 min read

Frank Rosner

Jan 2 '20

Publishing Application Metrics to CloudWatch Using Micrometer

#aws #devops #kotlin #cloud

8 min read

Frank Rosner

Nov 18 '19

Message Pact - Contract Testing In Event-Driven Applications

#pact #tdd #kotlin #microservices

7 min read

Frank Rosner

Oct 6 '19

Consumer-Driven Contract Testing with Pact

#pact #tdd #javascript #kotlin

9 min read

Frank Rosner

Aug 9 '19

Understanding the AWS Lambda SQS Integration

#aws #cloud #serverless #devops

6 min read

Frank Rosner

Jul 9 '19

Let's Also Apply Run With Kotlin Scope Functions

#kotlin #java #functional

5 min read

Frank Rosner

Jul 2 '19

What makes an IT job offering or company appealing to you? (she/her/hers only)

#discuss

1 min read

Frank Rosner

Jun 25 '19

Resilience Design Patterns: Retry, Fallback, Timeout, Circuit Breaker

#architecture #resilience #microservices #patterns

127

9 min read

Frank Rosner

Jun 7 '19

Testing Your Database Migrations With Flyway and Testcontainers

#kotlin #database #testing #sql

5 min read

Frank Rosner

Jun 4 '19

Docker Demystified

#linux #docker #beginners #devops

804

13 min read

Frank Rosner

May 21 '19

Ten Cognitive Biases to Look Out For as a Developer

#discuss #beginners #psychology #career

218

8 min read

Frank Rosner

Apr 5 '19

Explain Non-Blocking I/O Like I'm Five

#explainlikeimfive #java #asynchronous #beginners

7 min read

Frank Rosner

Feb 13 '19

Vert.x Kotlin Coroutines

#kotlin #vertx #concurrency #webdev

6 min read

Frank Rosner

Jan 14 '19

Quality Attributes in Software

#codequality #architecture #soa #microservices

8 min read

Frank Rosner

Oct 22 '18

Monitoring AWS Lambda Functions With CloudWatch

#aws #devops #serverless #cloud

9 min read

Frank Rosner

Oct 11 '18

Window Functions in Stream Analytics

#bigdata #cloud #streams #analytics

9 min read

Frank Rosner

Sep 26 '18

Yarnception: Starting Yarn Within Yarn Through Gulp and When It Is Useful

#aws #node #serverless #javascript

6 min read

Frank Rosner

Sep 4 '18

Concurrency and Automatic Conflict Resolution

#distributedsystems #concurrency #versioncontrol #database

9 min read

Frank Rosner

Jul 29 '18

1000 Followers - A Blogging Retrospective

#meta #blog #writing #blogging

9 min read

Frank Rosner

Jul 11 '18

Sensor Data Processing on AWS using IoT Core, Kinesis and ElastiCache

#aws #cloud #iot #serverless

15 min read

Frank Rosner

Jul 4 '18

Continuous Delivery on AWS With Terraform and Travis CI

#aws #cloud #devops #terraform

11 min read

Frank Rosner

Jun 29 '18

Event Handling in AWS using SNS, SQS, and Lambda

#showdev #aws #cloud #lambda

165

11 min read

Frank Rosner

Jun 22 '18

Deploying and Benchmarking an AWS RDS MySQL Instance

#aws #cloud #networking #mysql

15 min read

Frank Rosner

Jun 18 '18

Deploying an HTTP API on AWS using Elastic Beanstalk

#aws #devops #paas #cloud

11 min read

Frank Rosner

Jun 13 '18

Deploying an HTTP API on AWS using Lambda and API Gateway

#aws #devops #serverless #cloud

11 min read

Frank Rosner

Jun 6 '18

Memory Efficient Data Structures

#learning #database #computerscience #programming

117

8 min read

Frank Rosner

Jun 4 '18

Infrastructure as Code - Managing AWS With Terraform

#devops #cloud #aws #xaas

10 min read

Frank Rosner

May 28 '18

Handwritten Digit Recognition Using Convolutional Neural Networks

#showdev #deeplearning #scala #javascript

14 min read

Frank Rosner

May 8 '18

Update Efficient Data Structures

#scala #learning #database #computerscience

126

14 min read

Frank Rosner

Apr 29 '18

Read Efficient Data Structures

#programming #learning #java #computerscience

233

15 min read

Frank Rosner

Apr 16 '18

RUM Conjecture - Reasoning About Data Access

#programming #learning #database #computerscience

7 min read

Frank Rosner

Apr 5 '18

Hit Me Baby One More Time - What Are Cache Hits and Why Should You Care?

#programming #performance #scala #computerscience

157

10 min read

Frank Rosner

Mar 21 '18

Microbenchmarking your Scala Code

#scala #microbenchmarking #performance

10 min read

Frank Rosner

Jan 30 '18

Explain Agile Like I'm a Sports Student

#explainlikeimfive #agile #productivity

6 min read

Frank Rosner

Dec 17 '17

Monitoring Data Quality in Data Science Applications

#showdev #datascience #scala #spark

8 min read

Frank Rosner

Nov 30 '17

What I Did Not Know About Scala And Its Standard Library

#todayilearned #scala

8 min read

Frank Rosner

Nov 4 '17

Making The Invalid Impossible - Choosing The Right Data Model

#scala #programming #devtips

6 min read

Frank Rosner

Oct 25 '17

Hiding Complexity Does Not Make It Go Away, Or Does It?

#frontend #datastructures #elm

8 min read

DataStax Inc

1 Week Community Wellness Streak

Trusted Member 2022

Five Year Club

Four Year Club

Hacktoberfest 2020

4 Week Streak

C

Three Year Club

Two Year Club

Top 7

One Year Club

Want to connect with Frank Rosner?