You are viewing a plain text version of this content. The canonical link for it is here.

Posted to common-dev@hadoop.apache.org by "Anuj Modi (Jira)" <ji...@apache.org> on 2026/01/14 10:12:00 UTC

[jira] [Resolved] (HADOOP-19596) ABFS: [ReadAheadV2] Increase Prefetch Aggressiveness to improve sequential read performance

     [ https://issues.apache.org/jira/browse/HADOOP-19596?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Anuj Modi resolved HADOOP-19596.
--------------------------------
       Fix Version/s: 3.5.0
                      3.4.3
    Target Version/s: 3.4.2, 3.5.0  (was: 3.5.0, 3.4.2)
          Resolution: Fixed

> ABFS: [ReadAheadV2] Increase Prefetch Aggressiveness to improve sequential read performance
> -------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-19596
>                 URL: https://issues.apache.org/jira/browse/HADOOP-19596
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/azure
>    Affects Versions: 3.5.0, 3.4.1
>            Reporter: Anuj Modi
>            Assignee: Anuj Modi
>            Priority: Major
>             Fix For: 3.5.0, 3.4.3
>
>         Attachments: Read Buffer Manager V2.pdf
>
>
> Various analyses done in the past have shown a need for significant improvement in the performance of sequential reads. The current implementation clearly shows the lack of parallelism that is needed to cater to high throughput sequential read workloads. 
> More details on updated design and results of POC benchmarking will be added here soon.



--
This message was sent by Atlassian Jira
(v8.20.10#820010)

---------------------------------------------------------------------
To unsubscribe, e-mail: common-dev-unsubscribe@hadoop.apache.org
For additional commands, e-mail: common-dev-help@hadoop.apache.org