[infinispan-issues] [JBoss JIRA] (ISPN-3831) UnmodifiableList and UnmodifiableCollection are missing optimal Externalizers

[Sanne Grinovero (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-3831?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13009187#comment-13009187 ] 

Sanne Grinovero commented on ISPN-3831:
---------------------------------------

The Lucene Directory isn't marshalling these anymore so this is no longer a priority.

> 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
>              Labels: 620
>             Fix For: 7.0.0.CR2
>
>
> 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.



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