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https://issues.apache.org/jira/browse/HADOOP-13738?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arpit Agarwal updated HADOOP-13738:
-----------------------------------
Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 3.0.0-alpha2
2.9.0
Target Version/s: (was: 2.9.0)
Status: Resolved (was: Patch Available)
Thank you all for the reviews and discussion.
Pushed for 2.9.0. The branch-2 commit required the following delta wrt trunk to
compile:
{code}
private static AtomicReference<FileIoProvider> fileIoProvider =
- new AtomicReference<>(new DefaultFileIoProvider());
+ new AtomicReference<FileIoProvider>(new DefaultFileIoProvider());
{code}
> DiskChecker should perform some disk IO
> ---------------------------------------
>
> Key: HADOOP-13738
> URL: https://issues.apache.org/jira/browse/HADOOP-13738
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
> Fix For: 2.9.0, 3.0.0-alpha2
>
> Attachments: HADOOP-13738.01.patch, HADOOP-13738.02.patch,
> HADOOP-13738.03.patch, HADOOP-13738.04.patch, HADOOP-13738.05.patch
>
>
> DiskChecker can fail to detect total disk/controller failures indefinitely.
> We have seen this in real clusters. DiskChecker performs simple
> permissions-based checks on directories which do not guarantee that any disk
> IO will be attempted.
> A simple improvement is to write some data and flush it to the disk.
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