Babu Annamalai's MysticMind

Thoughts on software, architecture & open source

May 29, 2026 · 43 min total read

Dynamic Consistency Boundary in Marten

A four-part walkthrough of Marten's Dynamic Consistency Boundary support. We start with the structural problem aggregates cannot solve, build the solution by hand in Marten, simplify it with Wolverine, and finish with the production traps to avoid.

martendb dotnet event-sourcing dcb

May 22, 2026 · 23 min read

Postgres point-in-time recovery with pgBackRest and S3-compatible storage

Set up pgBackRest against S3-compatible object storage (MinIO as the open source example), then recover Postgres to any moment in the past, including the second before someone ran a bad DELETE.

postgresql pgbackrest s3 minio

January 8, 2026 · 1 min read

ReverseMarkdown 5.0.0 released: 200× Performance Boost for HTML to Markdown conversion

ReverseMarkdown 5.0.0 is out! It’s our biggest leap in years - dramatically faster, more resilient on edge cases, and friendlier .NET HTML to Markdown converter library. Upto to 200× faster on huge HTML via TextWriter refactor. Fixed nested <p> exp...

dotnet markdown html5 converter

January 16, 2025 · 2 min read

Creating a single universal shared lib or executable file for macOS Intel and Silicon using lipo

As macOS developers, creating universal binaries and shared libraries that work seamlessly across both Intel (x86_64) and Apple Silicon (arm64) architectures is critical. Whether you’re building standalone executables or .so` shared libraries, combin...

x86_64 macos arm64

November 20, 2024 · 8 min read

Encrypting and crypto-shredding of PII data in Marten documents using HashiCorp Vault

Protecting Personally Identifiable Information (PII) has become essential as organizations handle increasing volumes of sensitive data. Regulations like the GDPR (General Data Protection Regulation) mandate strict controls over PII to safeguard indiv...

martendb dotnet pii gdpr

All posts