Storage
6 posts — newest first.
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Write-Ahead Logging: How a Database Survives Being Killed Mid-Write
Pull the power on a database mid-transaction and it comes back intact. The trick is boring and universal: write your intent to a log before you touch the data.
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NAS vs SAN for GPU workloads — what changed when AI showed up
File vs block was the old NAS-vs-SAN question. GPU training rewrote it. How the calculus shifts when storage has to keep an H100 cluster fed.
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B-tree vs LSM-tree: The Two Ways Databases Store Your Data
Almost every database is a read-optimized B-tree or a write-optimized LSM-tree underneath. Knowing which explains its performance and failure modes.
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The CAP theorem
Consistency, availability, partition tolerance — you get two. A walk through the CAP trade-offs, database by database.
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NAS vs SAN – A brief comparison.
NAS serves files over ethernet; SAN serves blocks over a dedicated network. A brief comparison of the two storage architectures and when to pick each.
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What is RAID?
RAID provides redundancy for stored data, protecting against disk failures. The common RAID levels, how they differ, and when to use each.