[jira] [Resolved] (HDDS-1227) Avoid extra buffer copy during checksum computation in write Path

["Shashikant Banerjee (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDDS-1227?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shashikant Banerjee resolved HDDS-1227.
---------------------------------------
       Resolution: Duplicate
    Fix Version/s: 0.5.0

> Avoid extra buffer copy during checksum computation in write Path
> -----------------------------------------------------------------
>
>                 Key: HDDS-1227
>                 URL: https://issues.apache.org/jira/browse/HDDS-1227
>             Project: Hadoop Distributed Data Store
>          Issue Type: Improvement
>          Components: Ozone Client
>    Affects Versions: 0.4.0
>            Reporter: Shashikant Banerjee
>            Assignee: Shashikant Banerjee
>            Priority: Major
>              Labels: pushed-to-craterlake
>             Fix For: 0.5.0
>
>
> The code here does a buffer copy to to compute checksum. This needs to be avoided.
> {code:java}
> /**
>  * Computes checksum for give data.
>  * @param byteString input data in the form of ByteString.
>  * @return ChecksumData computed for input data.
>  */
> public ChecksumData computeChecksum(ByteString byteString)
>     throws OzoneChecksumException {
>   return computeChecksum(byteString.toByteArray());
> }
> {code}



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