[https://raft.github.io/raft.pdf]. The other is Kafka [https://kafka.apache.org/] (which uses Zookeeper [https://zookeeper.apache.org/] internally). For information about currently available ordering services is a CFT implementation that uses a “leader and follower” node configuration. Kafka utilizes a ZooKeeper ensemble for management purposes. The Kafka based ordering service has been available since Fabric scores of admirers, even those admirers will (usually) admit that deploying a Kafka cluster and its ZooKeeper ensemble can be tricky, requiring a high level of expertise in Kafka infrastructure and settings

[https://raft.github.io/raft.pdf]. The other is Kafka [https://kafka.apache.org/] (which uses Zookeeper [https://zookeeper.apache.org/] internally). For information about currently available ordering services is a CFT implementation that uses a “leader and follower” node configuration. Kafka utilizes a ZooKeeper ensemble for management purposes. The Kafka based ordering service has been available since Fabric scores of admirers, even those admirers will (usually) admit that deploying a Kafka cluster and its ZooKeeper ensemble can be tricky, requiring a high level of expertise in Kafka infrastructure and settings

[https://raft.github.io/raft.pdf]. The other is Kafka [https://kafka.apache.org/] (which uses Zookeeper [https://zookeeper.apache.org/] internally). For information about currently available ordering services is a CFT implementation that uses a “leader and follower” node configuration. Kafka utilizes a ZooKeeper ensemble for management purposes. The Kafka based ordering service has been available since Fabric scores of admirers, even those admirers will (usually) admit that deploying a Kafka cluster and its ZooKeeper ensemble can be tricky, requiring a high level of expertise in Kafka infrastructure and settings

version. Upgrading Zookeeper An Apache Kafka cluster requires an Apache Zookeeper cluster. The Zookeeper API has been stable for a long time and, as such, almost any version of Zookeeper is tolerated by upgrade to a specific version of Zookeeper. If you would like to upgrade your Zookeeper cluster, some information on upgrading Zookeeper cluster can be found in the Zookeeper FAQ [https://cwiki.apache.or org/confluence/display/ZOOKEEPER/FAQ]. Upgrading CouchDB If you are using CouchDB as state database, upgrade the peer’s CouchDB at the same time the peer is being upgraded. To upgrade CouchDB: 1. Stop

implementations. The first is based on the etcd library of the Raft protocol. The other is Kafka (which uses Zookeeper internally). For information about currently available ordering services, check out our conceptual is a CFT implementation that uses a “leader and follower” node configuration. Kafka utilizes a ZooKeeper ensemble for management purposes. The Kafka based ordering 4.10. The Ordering Service 87 hyperledger-fabricdocs scores of admirers, even those admirers will (usually) admit that deploying a Kafka cluster and its ZooKeeper ensemble can be tricky, requiring a high level of expertise in Kafka infrastructure and settings

implementations. The first is based on the etcd library of the Raft protocol. The other is Kafka (which uses Zookeeper internally). For information about currently available ordering services, check out our conceptual is a CFT implementation that uses a “leader and follower” node configuration. Kafka utilizes a ZooKeeper ensemble for management purposes. The Kafka based ordering 4.10. The Ordering Service 87 hyperledger-fabricdocs scores of admirers, even those admirers will (usually) admit that deploying a Kafka cluster and its ZooKeeper ensemble can be tricky, requiring a high level of expertise in Kafka infrastructure and settings

implementations. The first is based on the etcd library of the Raft protocol. The other is Kafka (which uses Zookeeper internally). For information about currently available ordering services, check out our conceptual is a CFT implementation that uses a “leader and follower” node configuration. Kafka utilizes a ZooKeeper ensemble for management purposes. The Kafka based ordering 4.10. The Ordering Service 87 hyperledger-fabricdocs scores of admirers, even those admirers will (usually) admit that deploying a Kafka cluster and its ZooKeeper ensemble can be tricky, requiring a high level of expertise in Kafka infrastructure and settings

[https://raft.github.io/raft.pdf]. The other is Kafka [https://kafka.apache.org/] (which uses Zookeeper [https://zookeeper.apache.org/] internally). For information about currently available ordering services is a CFT implementation that uses a “leader and follower” node configuration. Kafka utilizes a ZooKeeper ensemble for management purposes. The Kafka based ordering service has been available since Fabric scores of admirers, even those admirers will (usually) admit that deploying a Kafka cluster and its ZooKeeper ensemble can be tricky, requiring a high level of expertise in Kafka infrastructure and settings

version. Upgrading Zookeeper An Apache Kafka cluster requires an Apache Zookeeper cluster. The Zookeeper API has been stable for a long time and, as such, almost any version of Zookeeper is tolerated by upgrade to a specific version of Zookeeper. If you would like to upgrade your Zookeeper cluster, some information on upgrading Zookeeper cluster can be found in the Zookeeper FAQ. Upgrading CouchDB If you section at the end of the tutorial that will show how to upgrade your CA, Kafka clusters, CouchDB, Zookeeper, vendored chaincode shims, and Node SDK clients. If you want to learn more about capability requirements

implementations. The first is based on the etcd library of the Raft protocol. The other is Kafka (which uses Zookeeper internally). For information about currently available ordering services, check out our conceptual is a CFT implementation that uses a “leader and follower” node configuration. Kafka utilizes a ZooKeeper ensemble for management purposes. The Kafka based ordering service has been available since Fabric scores of admirers, even those admirers will (usually) admit that deploying a Kafka cluster and its ZooKeeper ensemble can be tricky, requiring a high level of expertise in Kafka infrastructure and settings