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https://issues.apache.org/jira/browse/HADOOP-17979?focusedWorklogId=678655&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-678655
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ASF GitHub Bot logged work on HADOOP-17979:
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Author: ASF GitHub Bot
Created on: 08/Nov/21 18:40
Start Date: 08/Nov/21 18:40
Worklog Time Spent: 10m
Work Description: steveloughran opened a new pull request #3633:
URL: https://github.com/apache/hadoop/pull/3633
* Pull out from HADOOP-17981/#3611
* Add S3A support
* Add requirement that located status API calls MUST also support the API,
and do this for ABFS.
s3a code retains now deprecated getETag entries. lots of references in
the s3guard code which I am leaving alone.
### How was this patch tested?
new integration tests for abfs and s3a
### For code changes:
- [X] Does the title or this PR starts with the corresponding JIRA issue id
(e.g. 'HADOOP-17799. Your PR title ...')?
- [ ] Object storage: have the integration tests been executed and the
endpoint declared according to the connector-specific documentation?
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Issue Time Tracking
-------------------
Worklog Id: (was: 678655)
Remaining Estimate: 0h
Time Spent: 10m
> Interface EtagSource to allow FileStatus subclasses to provide etags
> --------------------------------------------------------------------
>
> Key: HADOOP-17979
> URL: https://issues.apache.org/jira/browse/HADOOP-17979
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs, fs/azure, fs/s3
> Affects Versions: 3.3.1
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Various objects stores provide etags in their FileStatus implementations
> Make these values accessible
> * new interface {{EtagFromFileStatus}} to be implemented when provided
> * filesystem.md to declare requirements of etags (constant between LIST and
> HEAD)...
> * path capabilities for (a) etag and (b) etags consistent across rename
> Add implementation for abfs, later s3a (and google gcs)
> This is initially to handle recovery from certain failures in job commit
> against abfs, but it would allow a cloud-ready version of distcp to track
> etags of uploaded files, so diff properly.
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