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

59 posts published

139 comments written

11 tags followed

Frank Rosner

Jun 9

CQL Trace Viewer: Visualizing CQL Traces with Dash

#python #cassandra #dash #visualization

13 min read

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Frank Rosner

May 17

Border Gateway Protocol (BGP)

#networking #security #protocols #internet

6 min read

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

169

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

128

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

302

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

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