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How we scale an open source, multi-tenant storage engine for Postgres written in Rust
We separated storage and compute with the vision of scaling Postgres in the cloud. The compute part runs on VMs and pods, autoscales on-demand and streams Postgres Write-Ahead-Log (WAL) records to the storage engine. The storage part saves the database’s historical data in a Rust...
Incident Review: Pageserver outage in us-east-1
On 2024-08-14, about 0.4% of customer projects in us-east-1 experienced an outage for up to 2 hours, after an EC2 instance hosting one of our services failed. We understand that these incidents have a significant impact on our customers, and we take them seriously. This post expl...
Separation of storage and compute without a performance tradeoff
Modern OLTP database systems such as Neon and AWS Aurora separate storage and compute. The main benefits of this architecture are elasticity and being “serverless”. Storage appears “bottomless” and compute scales up and down with the load. A user doesn’t need to commit to a certa...