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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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Senior Cloud Software Engineer @ ClickHouse

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Hacktoberfest 2020
4 Week Writing Streak
Unit Testing Alertmanager Routing and Inhibition Rules

Unit Testing Alertmanager Routing and Inhibition Rules

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6 min read

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Taming Prometheus Scrapes - Understanding and Analyzing Your Metrics Endpoints

Taming Prometheus Scrapes - Understanding and Analyzing Your Metrics Endpoints

BERJAYA 1
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9 min read
Catching Race Conditions in Go

Catching Race Conditions in Go

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8 min read
Addressing the Limitations of Local Path Provisioner in Kubernetes

Addressing the Limitations of Local Path Provisioner in Kubernetes

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16 min read
Investigating Error Logs Using LangGraph, LangChain and Watsonx.ai

Investigating Error Logs Using LangGraph, LangChain and Watsonx.ai

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19 min read
libmalloc, jemalloc, tcmalloc, mimalloc - Exploring Different Memory Allocators

libmalloc, jemalloc, tcmalloc, mimalloc - Exploring Different Memory Allocators

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17 min read
Comparing OpenBLAS and Accelerate on Apple Silicon for BLAS Routines

Comparing OpenBLAS and Accelerate on Apple Silicon for BLAS Routines

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10 min read
Generating Application Specific Go Documentation Using Go AST and Antora

Generating Application Specific Go Documentation Using Go AST and Antora

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11 min read
Build Your Own Food Tracker with OpenAI Platform

Build Your Own Food Tracker with OpenAI Platform

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8 min read
Frank - How are you so productive?

Frank - How are you so productive?

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15 min read
Visualizing the Apache Cassandra Token Ring with Plotly

Visualizing the Apache Cassandra Token Ring with Plotly

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7 min read
Books That Helped Me Become a Tech Lead

Books That Helped Me Become a Tech Lead

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10 min read
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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8 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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10 min read
Writing a Simple TCP Server Using Kqueue

Writing a Simple TCP Server Using Kqueue

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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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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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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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13 min read
Ten Cognitive Biases to Look Out For as a Developer

Ten Cognitive Biases to Look Out For as a Developer

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8 min read
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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8 min read
Monitoring AWS Lambda Functions With CloudWatch

Monitoring AWS Lambda Functions With CloudWatch

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9 min read
Window Functions in Stream Analytics

Window Functions in Stream Analytics

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9 min read
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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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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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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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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Infrastructure as Code - Managing AWS With Terraform

Infrastructure as Code - Managing AWS With Terraform

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