Data Durability
Everything on SkillVeris tagged Data Durability — collected across the glossary, study notes, blog, and cheat sheets.
4 resources across 1 library
Interview Questions(4)
Synchronous vs Asynchronous Replication: What is the Difference?
Synchronous replication waits for at least one replica to confirm it received a write before the primary reports the transaction as committed, while asynchrono…
Write-Through vs Write-Back Cache: What is the Difference?
A write-through cache writes to the cache and the underlying database synchronously as one operation before confirming success, while a write-back (write-behin…
What is I/O Buffering and Why Is It Needed?
I/O buffering is the technique of holding data temporarily in an in-memory area while it moves between a process and a device, so the speed mismatch between fa…
How Would You Design a Blob Storage System?
A blob storage system stores unstructured binary objects (files, images, videos) by splitting each object into fixed-size chunks distributed across many storag…