HBase
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The HBase online store provides support for materializing feature values into an Apache HBase database for serving online features in real-time.
Each feature view is mapped to an HBase table
Connects to HBase via the Thrift server using happybase
In order to use this online store, you'll need to run pip install 'feast[hbase]'.
project: my_feature_repo
registry: data/registry.db
provider: local
online_store:
type: hbase
host: localhost
port: "9090"
connection_pool_size: 4 # optional
protocol: binary # optional
transport: buffered # optionalThe full set of configuration options is available in HbaseOnlineStoreConfig.
The set of functionality supported by online stores is described in detail here. Below is a matrix indicating which functionality is supported by the HBase online store.
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.
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