将多存储与标量 DB 一起使用时如何配置 Dynamo DB Local 的端点覆盖

Question

In order to use multi-storage in Scalar DB, I am implementing it with MySQL and Dynamo DB Local, but the Endpoint Override setting for Dynamo DB Local does not work.

I have configured the following settings, but are they correct?

## Dynamo DB for the transaction tables
scalar.db.multi_storage.storages.dynamo.storage=dynamo
scalar.db.multi_storage.storages.dynamo.contact_points=ap-northeast-1
scalar.db.multi_storage.storages.dynamo.username=fakeMyKeyId
scalar.db.multi_storage.storages.dynamo.password=fakeMyKeyId
scalar.db.multi_storage.storages.dynamo.contact_port=8000
scalar.db.multi_storage.storages.dynamo.endpoint-override=http://localhost:8000

Answer 1

The format of the storage definition in Multi-storage configuration is as follows:

scalar.db.multi_storage.storages.<storage name>.<property name without the prefix 'scalar.db.'>"

For example, if you want to specify the scalar.db.contact_points property for the cassandra storage, you can specify scalar.db.multi_storage.storages.cassandra.contact_points .

In your case, the storage name is dynamo , and you want to specify the scalar.db.dymano.endpoint-override property, so you need to specify scalar.db.multi_storage.storages.dynamo.dynamo.endpoint-override as follows:

scalar.db.multi_storage.storages.dynamo.dynamo.endpoint-override=http://localhost:8000

Please see the following document for the details: https://github.com/scalar-labs/scalardb/blob/master/docs/multi-storage-transactions.md