Durability
Everything on SkillVeris tagged Durability — collected across the glossary, study notes, blog, and cheat sheets.
6 resources across 2 libraries
Study Notes(1)
Interview Questions(5)
What are ACID Properties in DBMS?
ACID stands for Atomicity, Consistency, Isolation, and Durability — the four guarantees a database transaction must satisfy so that data stays correct even und…
What is the Buffer Cache in an Operating System?
The buffer cache is a region of kernel memory that holds recently used raw disk blocks so that repeated reads and writes to the same block hit fast RAM instead…
Write-Through vs Write-Back Cache: What is the Difference?
Write-through caching writes to the cache and the underlying database synchronously on every write, trading extra write latency for strong consistency, while w…
What is a Write-Ahead Log (WAL) and Why Do Systems Use It?
A write-ahead log is an append-only file that records every change durably before it is applied to the actual data structures on disk, so a crash can never los…
What Are the Main Data Replication Strategies?
Data replication strategies fall into three broad approaches — synchronous, asynchronous, and semi-synchronous — which trade off consistency, latency, and dura…