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Posted to issues@ozone.apache.org by "Janus Chow (Jira)" <ji...@apache.org> on 2023/12/16 23:44:06 UTC

[jira] [Updated] (HDDS-1529) BlockInputStream: Avoid buffer copy if the whole chunk is being read

     [ https://issues.apache.org/jira/browse/HDDS-1529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Janus Chow updated HDDS-1529:
-----------------------------
    Target Version/s: 1.5.0  (was: 1.4.0)

I am managing the 1.4.0 release and we currently have more than 500 issues targeted for 1.4.0. I am moving the target field to 1.5.0.
       
If you are actively working on this jira and believe this should be targeted for the 1.4.0 release, Please reach out to me via Apache email or Slack.

> BlockInputStream: Avoid buffer copy if the whole chunk is being read
> --------------------------------------------------------------------
>
>                 Key: HDDS-1529
>                 URL: https://issues.apache.org/jira/browse/HDDS-1529
>             Project: Apache Ozone
>          Issue Type: Improvement
>            Reporter: Hanisha Koneru
>            Priority: Major
>
> Currently, BlockInputStream reads chunk data from DNs and puts it in a local buffer and then copies the data to clients buffer. This is required for partial chunk reads where extra chunk data than requested might have to be read so that checksum verification can be done. But if the whole chunk is being read, we can copy the data directly into client buffer and avoid double buffer copies.



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