[infinispan-issues] [JBoss JIRA] (IPROTO-129) ProtobufUtil.fromWrappedByteArray should not create a ByteArrayInputStream

[Nistor Adrian (Jira)]

     [ https://issues.redhat.com/browse/IPROTO-129?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Nistor Adrian updated IPROTO-129:
---------------------------------
    Fix Version/s: 4.3.3.Final


> ProtobufUtil.fromWrappedByteArray should not create a ByteArrayInputStream
> --------------------------------------------------------------------------
>
>                 Key: IPROTO-129
>                 URL: https://issues.redhat.com/browse/IPROTO-129
>             Project: Infinispan ProtoStream
>          Issue Type: Bug
>    Affects Versions: 4.2.5.Final, 4.3.2.Final
>            Reporter: Dan Berindei
>            Assignee: Dan Berindei
>            Priority: Major
>             Fix For: 4.2.6.Final, 4.3.3.Final
>
>
> {{ProtobufUtil.fromWrappedByteArray}} wraps the {{bytep[]}} in a {{ByteArrayInputStream}} and uses that as an input for {{CodedInputStream}}. But that is inefficient, because {{CodedInputStream.StreamDecoder}} needs to allocate a buffer and copy from the stream into the buffer before processing. 
> Instead we can pass the {{byte[]}} directly to {{CodedInputStream}} and use {{CodedInputStream.ArrayDecoder}}, which doesn't need a buffer.



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