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SQLite

Description

  • All feature values are stored in an on-disk SQLite database

  • Only the latest feature values are persisted

Example

feature_store.yaml
project: my_feature_repo
registry: data/registry.db
provider: local
online_store:
  type: sqlite
  path: data/online_store.db

Functionality Matrix

Sqlite

write feature values to the online store

yes

read feature values from the online store

yes

update infrastructure (e.g. tables) in the online store

yes

teardown infrastructure (e.g. tables) in the online store

yes

generate a plan of infrastructure changes

yes

support for on-demand transforms

yes

readable by Python SDK

yes

readable by Java

no

readable by Go

yes

support for entityless feature views

yes

support for concurrent writing to the same key

no

support for ttl (time to live) at retrieval

no

support for deleting expired data

no

collocated by feature view

yes

collocated by feature service

no

collocated by entity key

no