[jira] [Updated] (KAFKA-10694) Implement zero copy for FetchSnapshot

["Jose Armando Garcia Sancio (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-10694?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jose Armando Garcia Sancio updated KAFKA-10694:
-----------------------------------------------
    Description: 
Change the `RawSnapshotWriter` and `RawSnapshotReader` interface to allow sending and receiving `FetchSnapshotResponse` with minimal memory copies.

The could be implemented by making the following changes
{code:java}
interface RawSnapshotWriter {
  ...
  public void append(MemoryRecords records) throws IOException;
} {code}
{code:java}
interface RawSnapshotReader {
  ...
  public BaseRecords slice(long position) throws IOException;
}{code}

> Implement zero copy for FetchSnapshot
> -------------------------------------
>
>                 Key: KAFKA-10694
>                 URL: https://issues.apache.org/jira/browse/KAFKA-10694
>             Project: Kafka
>          Issue Type: Sub-task
>          Components: replication
>            Reporter: Jose Armando Garcia Sancio
>            Priority: Major
>
> Change the `RawSnapshotWriter` and `RawSnapshotReader` interface to allow sending and receiving `FetchSnapshotResponse` with minimal memory copies.
> The could be implemented by making the following changes
> {code:java}
> interface RawSnapshotWriter {
>   ...
>   public void append(MemoryRecords records) throws IOException;
> } {code}
> {code:java}
> interface RawSnapshotReader {
>   ...
>   public BaseRecords slice(long position) throws IOException;
> }{code}



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