[infinispan-issues] [JBoss JIRA] (ISPN-8865) Move AdvancedCacheLoader over to using Publisher instead of process

Move AdvancedCacheLoader over to using Publisher instead of process ------------------------------------------------------------------- Key: ISPN-8865 URL: https://issues.jboss.org/browse/ISPN-8865 Project: Infinispan Issue Type: Enhancement Components: Loaders and Stores Reporter: William Burns Assignee: William Burns Fix For: 9.3.0.Beta1, 9.3.0.Final Currently our process method on AdvancedCacheLoader is very hard to write for proper thread usage, see [1]. There is no way to utilize the main thread to help with processing as well, except by always using a WithinThreadExecutor, which prevents any parallelism. Instead we should have the loader expose a Producer which can be properly controlled and have backpressure built in (thus not wasting threads or resources like it does currently. [1] https://github.com/infinispan/infinispan/blob/master/core/src/main/java/o...