What’s New in PSMDB Sandbox: Six Months of Updates

Earlier this year, we introduced PSMDB Sandbox, a lightweight web UI that sits on top of our Terraform and Ansible automation for MongoDB. Since then, the project has changed a lot. It has a new name and repository, and it supports many more Percona products, MongoDB features and platforms. In this post, I will go … Continued

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We loaded 990,000 OpenAI embeddings of 1,536 dimensions into six databases that index vectors themselves, built an HNSW index in each, and measured five things: time to a queryable index, storage and memory, recall against throughput, throughput under concurrent clients, and what happens when 10% of the corpus is rewritten. Same host, same container shape, … Continued

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Back in December I introduced Percona Load Generator for MongoDB Clusters (PLGM), a benchmark tool built around one idea: test your database with your own schema and your own queries, not some random data. At the time, PLGM was a command-line tool. You edited a YAML file, ran the binary, and read the numbers in … Continued

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Percona Operator for MySQL 1.3.0 is out. This release moves three things forward for teams running MySQL on Kubernetes: the operator now tunes MySQL for you based on the pod resources, async clusters can fail over without losing data in flight, and point-in-time recovery works on clusters where binary logs are encrypted at rest. … Continued

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This blog post was born of a discussion with a colleague in Percona Support, who also co-authored it with me here on the use of the ARBITER feature in MongoDB installations nowadays. Turns out, after analyzing past real cases we’ve faced in support, maybe it’s time to say goodbye to ARBITERS. We are not saying … Continued

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Probably everyone responsible for managing database servers at some point realizes that it would be helpful to have a tool capable of extracting data directly from raw database files. Something completely offline, without the need to have a running database server, and that would work with data directories, files, or binary backups (storage volume snapshots, … Continued

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