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T Jake Luciani commented on CASSANDRA-8168: ------------------------------------------- bq. And that CompletableFuture gives us something that guava's ListenableFuture don't give us? Agreed. I do think lambas help make this code more maintainable but not required. One thing I've learned is java 8 should give us some performance boost due to improvements in CAS contention improvements. We use these types extensively on the hot path http://ashkrit.blogspot.com/2014/02/atomicinteger-java-7-vs-java-8.html > Require Java 8 > -------------- > > Key: CASSANDRA-8168 > URL: https://issues.apache.org/jira/browse/CASSANDRA-8168 > Project: Cassandra > Issue Type: Task > Reporter: T Jake Luciani > Assignee: T Jake Luciani > Fix For: 3.0 > > > This is to discuss requiring Java 8 for version >= 3.0 > There are a couple big reasons for this. > * Better support for complex async work e.g (CASSANDRA-5239) > http://docs.oracle.com/javase/8/docs/api/java/util/concurrent/CompletableFuture.html > * Use Nashorn for Javascript UDFs CASSANDRA-7395 -- This message was sent by Atlassian JIRA (v6.3.4#6332)