You are viewing a plain text version of this content. The canonical link for it is here.
Posted to common-issues@hadoop.apache.org by "Mukund Thakur (Jira)" <ji...@apache.org> on 2022/11/29 15:40:00 UTC
[jira] [Resolved] (HADOOP-7370) Optimize pread on ChecksumFileSystem
[ https://issues.apache.org/jira/browse/HADOOP-7370?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mukund Thakur resolved HADOOP-7370.
-----------------------------------
Resolution: Won't Fix
Vectored IO superceedes this feature.
> Optimize pread on ChecksumFileSystem
> ------------------------------------
>
> Key: HADOOP-7370
> URL: https://issues.apache.org/jira/browse/HADOOP-7370
> Project: Hadoop Common
> Issue Type: Improvement
> Components: fs
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Major
> Attachments: checksumfs-pread-0.20.txt
>
>
> Currently the implementation of positional read in ChecksumFileSystem is verify inefficient - it actually re-opens the underlying file and checksum file, then seeks and uses normal read. Instead, it can push down positional read directly to the underlying FS and verify checksum.
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
---------------------------------------------------------------------
To unsubscribe, e-mail: common-issues-unsubscribe@hadoop.apache.org
For additional commands, e-mail: common-issues-help@hadoop.apache.org