[infinispan-issues] [JBoss JIRA] (ISPN-4979) CacheStatusResponse map uses too much memory

[Sanne Grinovero (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-4979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13020496#comment-13020496 ] 

Sanne Grinovero commented on ISPN-4979:
---------------------------------------

I think you would benefit of ISPN-2133 as well to implement this. Would need to be combined with the AddressCollection we discussed years ago, which threads all Addresses as singletons and manages immutable shallow copies.

> CacheStatusResponse map uses too much memory
> --------------------------------------------
>
>                 Key: ISPN-4979
>                 URL: https://issues.jboss.org/browse/ISPN-4979
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Core, State Transfer
>    Affects Versions: 7.0.0.Final
>            Reporter: Dan Berindei
>            Assignee: William Burns
>            Priority: Critical
>             Fix For: 7.1.0.Final
>
>
> When the cluster is large and there are a log of caches, the {{CacheStatusResponse}} map on the new coordinator can get quite large. One of the problems that seems to be that the addresses in {{DefaultConsistentHash}} are duplicated on serialization, so the deserialized version occupies more memory.
> We need to investigate why the objects are not "shared" by the River marshaller, and maybe work around the problem by de-duplicating the addresses in the externalizer.



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