UnmodifiableList and UnmodifiableCollection are missing optimal Externalizers ----------------------------------------------------------------------------- Key: ISPN-3831 URL: https://issues.jboss.org/browse/ISPN-3831 Project: Infinispan Issue Type: Enhancement Components: Marshalling Reporter: Sanne Grinovero Assignee: Mircea Markus Fix For: 6.1.0.Final These types are widely used in Infinispan and are using a slow path for Serialization: - class java.util.Collections$UnmodifiableList - class java.util.Collections$UnmodifiableCollection This degenerates in slow UTF8 decoding and significant garbage being created.