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https://issues.apache.org/jira/browse/HBASE-16327?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15405297#comment-15405297
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Anoop Sam John commented on HBASE-16327:
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So at the RPCServer response write level, when we have N BBs we will have to
create an MBB over it and call write by passing the channel. (Now it is
creating BufferChain). MBB creation will have some extra overhead. Like the
creation of 'itemBeginPos' array, calculation of offsets etc. Those are not
really needed for a BufferChain. So may be it is not worth removing
BufferChain. Ya the gain is we will have one data structure only. But why to
pay the extra overhead?
> Unify BufferChain and MultiByteBuff
> -----------------------------------
>
> Key: HBASE-16327
> URL: https://issues.apache.org/jira/browse/HBASE-16327
> Project: HBase
> Issue Type: Improvement
> Reporter: ramkrishna.s.vasudevan
> Assignee: ramkrishna.s.vasudevan
> Priority: Minor
>
> Bufferchain is nothing but a collection of Bytebuffers. We already have
> MultiBytebuff. May be we can unify both and add the Bufferchain#write() to
> ByteBuff abstract class.
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