This preface includes the following sections:
New and Changed Features for 12c (12.2.1.2)
Oracle Coherence 12c (12.2.1.2) includes the following new and changed features for this document.
Federated change events, which represent a transactional view of all the changes that occur on a local federation participant. See Processing Federated Change Events.
New and Changed Features for 12c (12.2.1.1)
Oracle Coherence 12c (12.2.1.1) includes the following new and changed features for this document.
Dynamic recovery quorum policy, which for active persistence automatically configures the persistence recovery quorum based on a predefined algorithm. See Using the Dynamic Recovery Quorum Policy.
Disabled Federated Caching, which excludes a cache from being federated. See Excluding Caches from Being Federated.
Simplified federation participant configuration, which makes specifying an address port optional. See Defining Federation Participants.
New and Changed Features for 12c (12.2.1)
Oracle Coherence 12c (12.2.1) includes the following new and changed features for this document.
Persistence, which manages the backup and recovery of Coherence distributed caches. See Persisting Caches.
Federated Caching, which replicates and synchronizes cache data across multiple geographically dispersed clusters. See Federating Caches Across Clusters.
Other Significant Changes in This Document for 12c (12.2.1.2)
For 12c (12.2.1.2), this guide has been updated in several ways. Following are the sections that have been added or changed.
Updated persistence instructions to include recommendations when using NFS mounted file systems. See Changing the Pre-Defined Persistence Directory.
Other Significant Changes in This Document for 12c (12.2.1.1)
For 12c (12.2.1.1), this guide has been updated in several ways. Following are the sections that have been added or changed.
Revised recommendations for JVM tuning. See JVM Tuning.
Revised concept of the proxy tier. See Deploying a Proxy Tier for Extend Clients.
Other Significant Changes in This Document for 12c (12.2.1)
For 12c (12.2.1), this guide has been updated in several ways. Following are the sections that have been added or changed.
Revised instructions for running a multicast connectivity test. See Performing a Multicast Connectivity Test.
Revised instructions for changing the default cluster port. See Changing the Default Cluster Port.
Revised IPv4 and IPv6 recommendations. See Ensure a Consistent IP Protocol.
Added a section about firewall port configuration. See Plan for Firewall Port Configuration.
Revised recommendations for Oracle Exalogic Elastic Cloud. See Oracle Exalogic Elastic Cloud Recommendations.
Added new log messages to the log message reference. See Log Message Glossary.