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Database Reliability: The SRE Approach to Keeping Data Safe

The Backup That Wasn't We had backups. Daily snapshots to S3. Perfectly configured. Never tested. When we needed to restore after a data corruption incident, we discovered the backups had been…

  • Weekly restore test script checks for backup failures and data discrepancies
  • PostgreSQL replication monitoring alerts when lag exceeds thresholds
  • Key dashboard panels track active connections, query latency, and disk usage

Open Source Isn't a Business Model Choice Anymore. It's the Only Option.

A few weeks ago, on the sidelines of an event at La Felicita (Station F), I got into a conversation with the CEO of Aiven about open-source business models.

  • Open-source is no longer a business model choice, but the only viable option.
  • Companies like MongoDB, Elastic, Redis, and HashiCorp relicensed to restrict community access.
  • ZizkaDB offers an alternative by running inside customers' own cloud environments.

JavaDoc WTF 4MB of Fonts JDK 23+

I was publishing two small packages to maven central and saw that they added usage tracking. I clicked and noticed 8MB number that should not be caused by 2 tiny packages, it was supposed to be…

  • JDK 23 includes 4MB DejaVu fonts in javadoc, causing unexpected 8MB usage.
  • Maven plugin solution: add --no-fonts to additionalOptions in pom.xml.
  • Maven command with -Dmaven.javadoc.disableNoFonts=true prevents font inclusion.

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