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SQLite

Description

The SQLite online store provides support for materializing feature values into an SQLite database for serving online features.
  • 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
The full set of configuration options is available in SqliteOnlineStoreConfig.

Functionality Matrix

The set of functionality supported by online stores is described in detail here. Below is a matrix indicating which functionality is supported by the Sqlite online store.
Text
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
To compare this set of functionality against other online stores, please see the full functionality matrix.
Last modified 1mo ago