@hoptical

Hamed Karbasi

@hopticalJoined June 2023

An enthusiastic data engineer looking for data-intensive challenges.

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Hamed Karbasi's blogs

The Blog of Hamed Karbasihamedkarbasi.com13 posts

Benchmark, Profile, Prove: A 12x Go Performance Win

Someone asked me a simple question about the Grafana Kafka Datasource plugin: how many messages per second can it actually handle? I had no honest answer. I had a feeling, and feelings are not numbers

2Jul 28 · 18 min readhamedkarbasi.com

Visualizing Avro Kafka Data in Grafana: Streaming Real-Time Schemas

Hey everyone, if you've been following along from my last post on streaming JSON into Grafana with the Kafka Datasource plugin, you know how awesome it is to watch real-time data light up your dashboards. Today, we're leveling up to Avro; that compac...

Feb 15 · 8 min readhamedkarbasi.com

Visualizing Kafka Data in Grafana: Consuming Real-Time Messages for Dashboards

Ever tried visualizing data with Grafana? Whether you’re building a simple dashboard with Prometheus to track resource usage or running complex queries on Loki or Elasticsearch, Grafana is one of the popular go-to tools. Grafana offers open-source an...

Dec 19, 2025 · 9 min readhamedkarbasi.com

Securing Kafka: Demystifying SASL, SSL, and Authentication Essentials

The first time I had to secure a Kafka cluster, I felt like I was drowning in acronyms: SASL, SSL, SCRAM, Kerberos… The more I delved into the documentation, the more confused I became. If you’ve felt the same, don’t worry! You’re not alone. Kafka se...

Aug 31, 2025 · 8 min readhamedkarbasi.com

Harnessing Ceph S3 with Kubernetes: An Operator Solution

Photo by Sixteen Miles Out on Unsplash Introduction Ceph & Rados Gateway Ceph is an open-source, distributed storage system designed for scalability and reliability, providing unified solutions for block, file, and object storage under a single platf...

Apr 5, 2024 · 7 min readhamedkarbasi.com

Hamed Karbasi

About

Available for

Hamed Karbasi's blogs

Benchmark, Profile, Prove: A 12x Go Performance Win

Visualizing Avro Kafka Data in Grafana: Streaming Real-Time Schemas

Visualizing Kafka Data in Grafana: Consuming Real-Time Messages for Dashboards

Securing Kafka: Demystifying SASL, SSL, and Authentication Essentials

Harnessing Ceph S3 with Kubernetes: An Operator Solution

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Hamed Karbasi

About

Available for

Hamed Karbasi's blogs

Benchmark, Profile, Prove: A 12x Go Performance Win

Visualizing Avro Kafka Data in Grafana: Streaming Real-Time Schemas

Visualizing Kafka Data in Grafana: Consuming Real-Time Messages for Dashboards

Securing Kafka: Demystifying SASL, SSL, and Authentication Essentials

Harnessing Ceph S3 with Kubernetes: An Operator Solution