Distributed Database Conference Talk Videos

How Discord Migrated Trillions of Messages from Cassandra to ScyllaDB

Learn why and how Discord’s persistence team recently completed their most ambitious migration yet: moving their massive set of trillions of messages from Cassandra to ScyllaDB.

ScyllaDB's Architecture for Extreme Scale

CTO Avi Kivity shares how scalability is core to ScyllaDB’s architecture.

ScyllaDB: 10 Years and Beyond

There’s a common adage that it takes 10 years to develop a file system. As ScyllaDB reaches that 10 year milestone in 2025, it’s the perfect time to reflect on the last decade of ScyllaDB development

ScyllaDB Leaps Forward

Tablets: Rethinking Replication

Palo Alto Network's Stream Processing – No Message Queue Involved!

How a leading cybersecurity company is correlating millions of records per second from different sensors, in different forms and formats, at one of the world's largest ScyllaDB deployments.

A Deep Dive into ScyllaDB’s Architecture

Take a technical deep dive into ScyllaDB's architecture and discover the "secret sauce" behind our high availability and superior performance.

Quantifying the Performance Impact of Shard-per-core Architecture

Most software isn’t architected to take advantage of modern hardware. How does a shard-per-code and shared-nothing architecture help – and exactly what impact can it make?

What ScyllaDB Looks Like from a Disk’s Perspective

ScyllaDB’s CTO Avi Kivity's journey into what ScyllaDB workloads look like from the perspective of a fast NVMe SSD — like the NVMe-based Nitro SSDs featured in new AWS EC2 I4i instances.

How Discord Indexes Trillions of Messages: Scaling Search Infrastructure

This talk shares how Discord scaled their message search infrastructure using Rust, Kubernetes, and a multi-cluster Elasticsearch architecture to achieve better performance, operability, and reliabili

Designing Data-Intensive Applications in 2025

Join Martin Kleppmann and Chris Riccomini for a chat on the evolution of *Designing Data-Intensive Applications*. They’ll discuss key tradeoffs in modern data systems, what’s next for data-intensive a

ScyllaDB is No Longer “Just a Faster Cassandra”

Predictable performance isn't just a feature—it's a must for anyone building serious, data-intensive applications at scale. ScyllaDB has often been labeled merely as a faster alternative to Cassandra,

Exploring ScyllaDB’s DynamoDB-Compatible API

In this talk we inspect how ScyllaDB implemented Alternator, the DynamoDB-compatible API. We review internal table structure, load balancing and deployment characteristics. We also inspect an existing

Feature Store Evolution Under Cost Constraints: When Cost is Part of the Architecture

Replacing RocksDB with ScyllaDB in Kafka Streams

Learn how Responsive replaced embedded RocksDB with ScyllaDB in Kafka Streams, simplifying the architecture and unlocking massive availability and scale. The talk covers unbundling stream processors,

How Yieldmo Cut Database Costs and Cloud Dependencies Fast

Yieldmo processes hundreds of billions of ad requests daily with subsecond latency. Initially using DynamoDB for its simplicity and stability, they faced rising costs, suboptimal latencies, and cloud

Database Migration Strategies and Pitfalls

Jump start your migration to ScyllaDB! In this talk, we will discuss how to migrate from Cassandra, DynamoDB, as well as other sources. Review tooling available to assist with Scylla Migrations. Revie

High Availability: Lessons Learned

How does ScyllaDB keep your data safe, and your mission critical applications running smoothly, even in the face of disaster? In this talk we’ll discuss what we have learned about High Availability, h

How Discord Performs Database Upgrades at Scale

Discord relies on ScyllaDB to serve millions of reads per second across many clusters, so they needed a comprehensive strategy to sufficiently de-risk upgrades to avoid impact to our users. To accompl