Skip to content

azure

services list

  • storage
    • blob storage
      • ADLS gen2 - blob store, hierarchial
      • Azure Blob Storage - General purpose object storage for unstructured data
    • structured data
      • Azure Storage Tables - nosql datastore - structured non-relational data
      • Azure sql - azure equivalent of aws rds
  • compute
    • adf
    • logic apps
    • databricks
  • streaming & messaging
    • event hub - big data event streaming and event ingestion (million events per sec)
    • service bus - messaging between apps
  • analytics
    • powerbi

adls

adls - what are the storage tiers and usage scenarios?

  • Hot - ms latency
  • Cool - immediate, min retention of 30days
  • Cold - immediate, min retention of 90 days
  • Archive - hours, min retention of 180 days

  • hot - active db, straming data

  • cool - backup files, monthly reports
  • cold - historical logs, compliance data, previous years' datasets
  • archive - long term backups, legal records, medical archives, old financial records

Archive is rehydrated to hot or cold before use

adf

how to nest a for loop into another for loop?

You can't

Make an activity with a for loop

Then call it from a parent activity's for loop