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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

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Work

Lead Production Engineer at DataStax

Books That Helped Me Become a Tech Lead

Books That Helped Me Become a Tech Lead

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Comments 32
10 min read

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CQL Trace Viewer: Visualizing CQL Traces with Dash

CQL Trace Viewer: Visualizing CQL Traces with Dash

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13 min read
Border Gateway Protocol (BGP)

Border Gateway Protocol (BGP)

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6 min read
Server Name Indication (SNI)

Server Name Indication (SNI)

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7 min read
Hashed Wheel Timers

Hashed Wheel Timers

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

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

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10 min read
Hausmeister: Automating Slack Channel Archiving Using GitHub Actions

Hausmeister: Automating Slack Channel Archiving Using GitHub Actions

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8 min read
Using PromQL Subqueries to Calculate Service Level Indicators

Using PromQL Subqueries to Calculate Service Level Indicators

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

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

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

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

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7 min read
Using a Private GitHub Repository as a Helm Chart Repository

Using a Private GitHub Repository as a Helm Chart Repository

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6 min read
Reclaiming Persistent Volumes in Kubernetes

Reclaiming Persistent Volumes in Kubernetes

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7 min read
Automatic Configuration Reloading in Java Applications on Kubernetes

Automatic Configuration Reloading in Java Applications on Kubernetes

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6 min read
Managing Cluster Membership with Etcd

Managing Cluster Membership with Etcd

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Writing a Simple TCP Server Using Kqueue

Writing a Simple TCP Server Using Kqueue

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9 min read
Writing My Own Dynamic Memory Management

Writing My Own Dynamic Memory Management

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Writing My Own Shell

Writing My Own Shell

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5 min read
Writing My Own Keyboard Driver

Writing My Own Keyboard Driver

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Writing My Own VGA Driver

Writing My Own VGA Driver

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8 min read
Writing My Own Boot Loader

Writing My Own Boot Loader

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15 min read
How to Get Your Next Software Engineering Job

How to Get Your Next Software Engineering Job

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13 min read
Implementing and Testing an Angular Feature Flag Directive

Implementing and Testing an Angular Feature Flag Directive

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

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

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10 min read
Publishing Application Metrics to CloudWatch Using Micrometer

Publishing Application Metrics to CloudWatch Using Micrometer

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8 min read
Message Pact - Contract Testing In Event-Driven Applications

Message Pact - Contract Testing In Event-Driven Applications

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7 min read
Consumer-Driven Contract Testing with Pact

Consumer-Driven Contract Testing with Pact

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9 min read
Understanding the AWS Lambda SQS Integration

Understanding the AWS Lambda SQS Integration

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6 min read
Let's Also Apply Run With Kotlin Scope Functions

Let's Also Apply Run With Kotlin Scope Functions

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

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

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1 min read
Resilience Design Patterns: Retry, Fallback, Timeout, Circuit Breaker

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

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Testing Your Database Migrations With Flyway and Testcontainers

Testing Your Database Migrations With Flyway and Testcontainers

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5 min read
Docker Demystified

Docker Demystified

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Ten Cognitive Biases to Look Out For as a Developer

Ten Cognitive Biases to Look Out For as a Developer

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

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

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7 min read
Vert.x Kotlin Coroutines

Vert.x Kotlin Coroutines

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6 min read
Quality Attributes in Software

Quality Attributes in Software

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Monitoring AWS Lambda Functions With CloudWatch

Monitoring AWS Lambda Functions With CloudWatch

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Window Functions in Stream Analytics

Window Functions in Stream Analytics

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

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

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6 min read
Concurrency and Automatic Conflict Resolution

Concurrency and Automatic Conflict Resolution

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1000 Followers - A Blogging Retrospective

1000 Followers - A Blogging Retrospective

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

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

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15 min read
Continuous Delivery on AWS With Terraform and Travis CI

Continuous Delivery on AWS With Terraform and Travis CI

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Event Handling in AWS using SNS, SQS, and Lambda

Event Handling in AWS using SNS, SQS, and Lambda

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Deploying and Benchmarking an AWS RDS MySQL Instance

Deploying and Benchmarking an AWS RDS MySQL Instance

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15 min read
Deploying an HTTP API on AWS using Elastic Beanstalk

Deploying an HTTP API on AWS using Elastic Beanstalk

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11 min read
Deploying an HTTP API on AWS using Lambda and API Gateway

Deploying an HTTP API on AWS using Lambda and API Gateway

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Memory Efficient Data Structures

Memory Efficient Data Structures

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8 min read
Infrastructure as Code - Managing AWS With Terraform

Infrastructure as Code - Managing AWS With Terraform

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Handwritten Digit Recognition Using Convolutional Neural Networks

Handwritten Digit Recognition Using Convolutional Neural Networks

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Update Efficient Data Structures

Update Efficient Data Structures

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Read Efficient Data Structures

Read Efficient Data Structures

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RUM Conjecture - Reasoning About Data Access

RUM Conjecture - Reasoning About Data Access

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

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

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Microbenchmarking your Scala Code

Microbenchmarking your Scala Code

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Explain Agile Like I'm a Sports Student

Explain Agile Like I'm a Sports Student

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6 min read
Monitoring Data Quality in Data Science Applications

Monitoring Data Quality in Data Science Applications

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8 min read
What I Did Not Know About Scala And Its Standard Library

What I Did Not Know About Scala And Its Standard Library

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Making The Invalid Impossible - Choosing The Right Data Model

Making The Invalid Impossible - Choosing The Right Data Model

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

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

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