Social Media Distributed Database Use Cases

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.

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

Efficient Deduplication in RecSys at Scale: How We Managed to Reduce Server Cost by 90%

Efficient deduplication is key to delivering relevant recommendations at scale. Andrei shares how they optimized for 300M+ users, cutting costs by 90% while reducing latency. He covers how ScyllaDB, A

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

How ShareChat Scaled their ML Feature Store 1000X without Scaling the Database

How ShareChat successfully scaled 1000X without scaling the underlying database (ScyllaDB)

Getting the Most Out of ScyllaDB Monitoring: ShareChat’s Tips

This practical talk shares how ShareChat works with non-standard ScyllaDB metrics to analyze the remaining cluster capacity, debug performance problems, and more.

Real-Time Persisted Events at Supercell

How Supercell, the game developer behind Hay Day, Clash of Clans, Boom Beach, Clash Royale and Brawl Stars, unified real-time event streaming for a social platform with hundreds of millions of users.

The Data Modeling Behind Social Media “Likes”

Did you ever think about how Instagram, Twitter, Facebook or other social media platforms track who liked your posts? This post explains how to do it with ScyllaDB NoSQL.

How Discord Supercharges Network Disks for Extreme Low Latency

How they designed a new storage topology – using a hybrid-RAID1 architecture – for extremely low latency on GCP.

How Discord Stores Trillions of Messages

Inside Discord's migration from MongoDB, to Cassandra, to ScyllaDB.

ShareChat’s Path to High-Performance NoSQL: Q&A with Geetish Nayak

How India's social media unicorn achieves microsecond P99 latency with 1.2M op/sec – for 180M monthly active users expecting real-time engagement with 2.5B posts per month.

High-Performance NoSQL Strategies at India's Top Social Media Platform

How ShareChat achieved 5X NoSQL performance w/ 80% cost savings – offering microsecond P99 latency with 1.2M op/sec for 180M monthly active users.

Aggregations at Scale for ShareChat — Using Kafka Streams and ScyllaDB

How ShareChat handles the aggregations of a post's engagement metrics/counters at scale with sub-millisecond P99 latencies for reads and writes.

ShareChat’s Journey Migrating 100TB of Data to ScyllaDB with NO Downtime

How ShareChat built a live migration framework moving 100TB of data into ScyllaDB (for cost and performance benefits) without any downtime.

How Happn Migrated a Cassandra Counter Table for 68 Billion Records

How Happn achieved a 75% TCO reduction by migrating a Cassandra cluster containing more than 68B records in a counter table – in 5 days.

How Discord Built a Developer-Friendly Key-Value Service Atop ScyllaDB

Discover Discord's approach to more quickly and simply onboarding new data storage use cases with their key-value store service

Streaming Real-Time Chat Messages into ScyllaDB with Apache Pulsar

How to build a streaming real-time chat message system utilizing ScyllaDB and Apache Pulsar.