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Should you use UUIDs as the primary key in your database? You might have heard they are terrible for performance, which is often true for traditional UUIDv4. However, the introduction of UUIDv7 fixes many of the previous issues of UUIDv4. Let’s therefore explore what they are and why it might be a good idea to use them.

Kafka is too expensive and complex for 80% of users. Most Kafka usage is small-data - ~60% of clusters are sub-1 MB/s, yet teams pay big-data prices. Diskless (KIP-1150), Tiered, and Iceberg topics give Apache Kafka multiple storage classes, but they’re advanced storage primitives. They are powerful in the hands of seasoned platform teams but too complex for beginners.

In under a month, OpsHelm the continuous, enriched changelog for cloud infrastructure - migrated its streaming backbone from MSK and NATS to Aiven Diskless Kafka (BYOC on AWS). The switch eliminated cross-cloud networking fees, collapsed multiple storage layers into one, and cut total streaming costs by 5x (from >$50,000/year to <$10,000/year) while serving the team a single logical event bus that stretches across multiple regions and accounts.

The BigQuery Sink connector is a critical piece of Kafka infrastructure that allows you to offload your Kafka topic data into BigQuery in real time. It is the third most-used connector among Kafka users (after the Google Cloud Managed Service for Apache Kafka and the original WePay sink connector), but it's not without its fair share of plot twists. Here's the story of how this connector switched hands three times and we ultimately ended up helping to re-build it.

Aiven is proud to launch the newest version of PostgreSQL, version 18, alongside with the open source community as the first managed PostgreSQL provider to support the latest version. This year we had three Aiveners join in on contributing to this major release, a trend which we hope to only see increase. Congrats to Patrick Stählin, Ronan Dunklau, and Thomas Krennwallner for your contributions to the codebase.

For many years Redis has been the default for caching, message queues, and fast data storage. However recent changes to its licensing mean that companies who want truly open-source tools need to make a switch. This is why Valkey was created. We are leading the way in offering a smooth path to move your current Redis setups to a fully open-source managed Valkey service.