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https://issues.apache.org/jira/browse/HDFS-9308?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lei (Eddy) Xu updated HDFS-9308:
--------------------------------
Resolution: Fixed
Fix Version/s: 2.8.0
3.0.0
Status: Resolved (was: Patch Available)
Thanks a lot for woking on this, [~twu]
Committed to {{trunk}} and {{branch-2}}.
> Add truncateMeta() and deleteMeta() to MiniDFSCluster
> -----------------------------------------------------
>
> Key: HDFS-9308
> URL: https://issues.apache.org/jira/browse/HDFS-9308
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: HDFS, test
> Affects Versions: 2.7.1
> Reporter: Tony Wu
> Assignee: Tony Wu
> Priority: Minor
> Fix For: 3.0.0, 2.8.0
>
> Attachments: HDFS-9308.001.patch, HDFS-9308.002.patch,
> HDFS-9308.003.patch
>
>
> HDFS-9188 introduced {{corruptMeta()}} method to make corrupting the metadata
> file filesystem agnostic. There should also be a {{truncateMeta()}} and
> {{deleteMeta()}} method in MiniDFSCluster to allow truncation of metadata
> files on DataNodes without writing code that's specific to underling file
> system. {{FsDatasetTestUtils#truncateMeta()}} is already implemented by
> HDFS-9188 and cam be exposed easily in {{MiniDFSCluster}}.
> This will be useful for tests such as
> {{TestLeaseRecovery#testBlockRecoveryWithLessMetafile}} and
> {{TestCrcCorruption#testCrcCorruption}}.
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