Data Persistence
Everything on SkillVeris tagged Data Persistence — collected across the glossary, study notes, blog, and cheat sheets.
6 resources across 1 library
Interview Questions(6)
Redis as a Cache vs a Primary Data Store: What Changes?
Using Redis as a cache means treating it as disposable, rebuildable-from-source data that the application never needs to survive as its only copy, whereas usin…
IndexedDB vs localStorage vs Cookies: When Do You Use Each?
Cookies are small, automatically sent-with-every-HTTP-request key-value pairs meant for server-visible state like session identifiers, localStorage is a synchr…
What Are the Size Limits of Web Storage Mechanisms?
Cookies are limited to roughly 4KB per cookie (and a per-domain count cap around 50-180 depending on the browser), localStorage and sessionStorage typically ca…
How Do Docker Volumes Persist Data?
Docker volumes are storage areas managed by the Docker engine, living outside any single container’s writable layer, so data written to a volume survives conta…
What is the Difference Between Docker Bind Mounts and Volumes?
A Docker volume is storage fully managed by the Docker engine in its own dedicated area on disk, while a bind mount maps an arbitrary existing path on the host…
What is a Kubernetes Persistent Volume?
A Persistent Volume (PV) is a cluster-level piece of storage provisioned either statically by an admin or dynamically via a StorageClass, and it exists indepen…