[jira] [Resolved] (HDDS-8095) Unbuffer not supported in TDE buckets

["Attila Doroszlai (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDDS-8095?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Attila Doroszlai resolved HDDS-8095.
------------------------------------
    Fix Version/s: 1.4.0
       Resolution: Fixed

Thanks [~MikaelSmith] for reporting this.

> Unbuffer not supported in TDE buckets
> -------------------------------------
>
>                 Key: HDDS-8095
>                 URL: https://issues.apache.org/jira/browse/HDDS-8095
>             Project: Apache Ozone
>          Issue Type: Bug
>    Affects Versions: 1.3.0
>            Reporter: Michael Smith
>            Assignee: Wei-Chiu Chuang
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.4.0
>
>
> Reading data (with Impala using file handle caching) from a bucket with transparent data encryption (TDE) enabled fails to unbuffer the input stream after read is complete.
> Impala attempts hdfsUnbufferFile on cached file handles after reading is done. Previous tickets (HDDS-4320, HDDS-7135) have addressed issues with this, and been tested to work correctly. However when we enable TDE, unbuffering stops working again.
> Enabling debug logging on org.apache.hadoop shows
> {quote}I0307 09:00:58.513293 31969 StreamCapabilitiesPolicy.java:50] 4c4de8d99785e5c8:a97f7edb00000000] org.apache.hadoop.ozone.client.io.KeyInputStream: does not implement StreamCapabilities and the unbuffer capability
> {quote}



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