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https://issues.apache.org/jira/browse/HADOOP-13786?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran updated HADOOP-13786:
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Attachment: HADOOP-13786-HADOOP-13345-011.patch
Patch 011; lot more of the tests are working. More specifically, two causes of
failure.
the tests which are using mockito to its fullest,
{{TestStagingDirectoryOutputCommitter}} and
{{TestStagingPartitionedJobCommit}} are failing because the FS operations have
changed; some differences in which methods get called and when. They're going
to have be synced up and then maintained. It's a pain, but it does let the
tests run even without credentials.
The tests which expect the names of the output to be part-0000-$UUID. I turned
that off yesterday while getting the "commit protocol" integration test to
work; it doesn't do that, though I know sometimes spark jobs do for that unique
output.
I don't know what to do here? Hard code "no uuid suffix" & change the tests,
probably break ryan's code, not suit other people. Hard code "uuid suffix:,
some things work, others get confused. Or go for the option, double your test
space.
This is somewhere where we'll need to call in the people who understand the
internals of commitment and its integration
> Add S3Guard committer for zero-rename commits to consistent S3 endpoints
> ------------------------------------------------------------------------
>
> Key: HADOOP-13786
> URL: https://issues.apache.org/jira/browse/HADOOP-13786
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs/s3
> Affects Versions: HADOOP-13345
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Attachments: HADOOP-13786-HADOOP-13345-001.patch,
> HADOOP-13786-HADOOP-13345-002.patch, HADOOP-13786-HADOOP-13345-003.patch,
> HADOOP-13786-HADOOP-13345-004.patch, HADOOP-13786-HADOOP-13345-005.patch,
> HADOOP-13786-HADOOP-13345-006.patch, HADOOP-13786-HADOOP-13345-006.patch,
> HADOOP-13786-HADOOP-13345-007.patch, HADOOP-13786-HADOOP-13345-009.patch,
> HADOOP-13786-HADOOP-13345-010.patch, HADOOP-13786-HADOOP-13345-011.patch,
> s3committer-master.zip
>
>
> A goal of this code is "support O(1) commits to S3 repositories in the
> presence of failures". Implement it, including whatever is needed to
> demonstrate the correctness of the algorithm. (that is, assuming that s3guard
> provides a consistent view of the presence/absence of blobs, show that we can
> commit directly).
> I consider ourselves free to expose the blobstore-ness of the s3 output
> streams (ie. not visible until the close()), if we need to use that to allow
> us to abort commit operations.
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