[infinispan-issues] [JBoss JIRA] (ISPN-11424) Deprecate StorageType Configuration in favour of MediaType

[Gustavo Fernandes (Jira)]

     [ https://issues.redhat.com/browse/ISPN-11424?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gustavo Fernandes updated ISPN-11424:
-------------------------------------
    Git Pull Request: https://github.com/infinispan/infinispan/pull/8240, https://github.com/infinispan/infinispan/pull/8333  (was: https://github.com/infinispan/infinispan/pull/8240)


> Deprecate StorageType Configuration in favour of MediaType
> ----------------------------------------------------------
>
>                 Key: ISPN-11424
>                 URL: https://issues.redhat.com/browse/ISPN-11424
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 11.0.0.Alpha2
>            Reporter: Gustavo Fernandes
>            Assignee: Gustavo Fernandes
>            Priority: Major
>             Fix For: 11.0.0.CR1
>
>
> Currently caches have configuration to specify memory storing aspects that affects eviction, e.g.
> {code:xml}
> <memory>
>     <object size="20000"/>
> </memory>
> {code}
> {code:xml}
> <memory>
>    <off-heap size="10000000" eviction="MEMORY"/>
> </memory>
> {code}
> {code:xml}
> <memory>
>    <binary strategy="EXCEPTION" eviction="MEMORY" size="5000"/>
> </memory>
> {code}
> Each of those configurations affect the format that the data will be stored, being {{object}} the default on-heap storage, {{off-heap}} the {{byte[]}} out of heap storage and {{binary}} an on-heap format that mix {{byte[]}}, {{String}} and primitives.
> This ticket proposes to have the {{MediaType}} of the keys and values to dictate the storage format, and let the {{<memory>}} element to be responsible to choose between on-heap and off-heap storage, eliminating the {{Binary}} option altogether. The configuration would be something like:
> {code:xml}
> <!-- Default configuration, heap storage with POJOs -->
> <memory storage="heap">
>     <eviction size="20000"/>
> </memory>
> {code}
> {code:xml}
> <!-- Storing java serialized objects, on-heap -->
> <encoding>
>     <key media-type="application/x-java-serialized-object"/>
>     <value media-type="application/x-java-serialized-object"/>
> </encoding>
> <memory storage="heap">
>     <eviction size="20000"/>
> </memory>
> {code}
> {code:xml}
> <!-- Off-heap configuration, in protobuf format -->
> <encoding>
>     <key media-type="application/x-protostream"/>
>     <value media-type="application/x-protostream"/>
> </encoding>
> <memory storage="off-heap">
>     <eviction size="10000000" eviction="MEMORY"/>
> </memory>
> {code}



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