[infinispan-issues] [JBoss JIRA] (ISPN-3772) Reduce marshalling payload sizes

[Galder Zamarreño (JIRA)]

Galder Zamarreño created ISPN-3772:
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             Summary: Reduce marshalling payload sizes
                 Key: ISPN-3772
                 URL: https://issues.jboss.org/browse/ISPN-3772
             Project: Infinispan
          Issue Type: Enhancement
          Components: Marshalling
    Affects Versions: 6.0.0.Final
            Reporter: Galder Zamarreño
            Assignee: Galder Zamarreño
             Fix For: 6.1.0.Final


Apply some marshalling improvements:

1. Marshall instances of java.util.Arrays$ArrayList with ArrayListExternalizer
so that it occupies less space.

2. RegularEnumSet and JumboEnumSet should be detected and they should be written using SetExternalizer. For an enum set with a single value, this means going from writing 41 bytes to 10 bytes.

3. Avoid sending OPERATION_X flags when compatibility mode is disabled.

4. Current array support in JBoss Marshalling ends up writing class information even for know types. Try to figure out a way to detect the most commonly written arrays in Infinispan and find an efficient way to marshall them.

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