steveloughran opened a new pull request, #4566:
URL: https://github.com/apache/hadoop/pull/4566
This is PR #4352 with a new patch to integrate with the MR committers, at
least
as far as collecting read stats from job commits and including in _SUCCESS
the committer ITests collect these and print them.
* move reference map and lookup to a IOStatisticsContextIntegration class
* static method in IOStatisticsContext to relay lookup
* add method to switch a thread's context; needed to aggregate worker thread
IO in threads doing work for committers without the need to explicitly
collect and pass back the stats
* production code moves to the new methods
* tests move to this and away from looking up the fields in the streams
* stats are reset in s3a test setup
* s3a committers collect data read stats during job commit and include
in summary statistics. This is only the stats when reading manifest
files, not the actual work.
* tests to print the aggregate of all loaded success files in the run.
### How was this patch tested?
new/modified tests
### For code changes:
- [ ] 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?
- [ ] If adding new dependencies to the code, are these dependencies
licensed in a way that is compatible for inclusion under [ASF
2.0](http://www.apache.org/legal/resolved.html#category-a)?
- [ ] If applicable, have you updated the `LICENSE`, `LICENSE-binary`,
`NOTICE-binary` files?
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