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Updated on April 15, 2020

Run Orion with Besu

To enable privacy functionality in production systems, Orion must be highly available and run in a separate instance to Hyperledger Besu.

High availability

Privacy requires you to configure Orion for high availability.

To successfully distribute a private transaction, all private transaction participants must be online. If any participants are offline when submitting the private transaction, the transaction is not attempted and you need to resubmit the transaction.

If an Orion node is unavailable when Besu attempts to process a privacy marker transaction, the Besu node stops processing all new blocks until Orion is available. The Besu node continually attempts to process the privacy marker transaction until Orion is available again.

Caution

If Orion becomes available but has lost data, Besu resumes processing blocks and the private states in the Besu nodes might become inconsistent.

Separate instances

For production systems, we recommend running Besu and Orion in separate instances. If running Besu and Orion in the same instance, restrict the amount of memory used by each JVM to ensure each has enough memory.

Questions or feedback? You can discuss issues and obtain free support on Hyperledger Besu chat channel.
For Hyperledger Besu community support, contact the mailing list besu@lists.hyperledger.org