Capacity planning

Information about capacity planning.

By default, EDI documents transferred through each B2B Gateway is stored on the DataPower® Gateway RAID volume and can eventually be transferred to a permanent archive. Each B2B Gateway can have a separate expiration policy, but every B2B Gateway together share space on the RAID volume. Additionally, metadata that is extracted from each transaction is retained in a separate B2B persistence store on the RAID volume.

The expiration process removes both messages and message metadata. Data, after transferring to a permanent archive, cannot be imported into the DataPower Gateway and cannot be viewed through the transaction viewer.

During testing, transaction metadata appears to require about 4 KB per transaction. One transaction here includes an inbound or outbound EDI message. If an outbound message is sent that requests an asynchronous MDN, receipt of that MDN will be processed as a separate transaction that requires separate metadata storage.