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PostgreSQL (contrib)
The PostgreSQL online store provides support for materializing feature values into a PostgreSQL database for serving online features.
- Only the latest feature values are persisted
- sslmode, sslkey_path, sslcert_path, and sslrootcert_path are optional
In order to use this online store, you'll need to run
pip install 'feast[postgres]'. You can get started by then running feast init -t postgres.feature_store.yaml
project: my_feature_repo
registry: data/registry.db
provider: local
online_store:
type: postgres
host: DB_HOST
port: DB_PORT
database: DB_NAME
db_schema: DB_SCHEMA
user: DB_USERNAME
password: DB_PASSWORD
sslmode: verify-ca
sslkey_path: /path/to/client-key.pem
sslcert_path: /path/to/client-cert.pem
sslrootcert_path: /path/to/server-ca.pem
The set of functionality supported by online stores is described in detail here. Below is a matrix indicating which functionality is supported by the Postgres online store.
Text | Postgres |
|---|---|
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 | no |
support for on-demand transforms | yes |
readable by Python SDK | yes |
readable by Java | no |
readable by Go | no |
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 2mo ago