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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13171) Add StorageStatistics to S3A; instrument some more operations
Date Tue, 31 May 2016 17:08:12 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15308130#comment-15308130
] 

Steve Loughran commented on HADOOP-13171:
-----------------------------------------

Patch 010   (which is 009+ a typo in the docs fixed)

# scale for directory operations has its own property {{scale.test.directory.count}}; set
low (2) and documented.
# {{ProgressableProgressListener}}: clean up done
# null checks for {{FileSystem.statistics}}. I think I'd concluded from all the null checks
elsewhere that it could be null, so included them. But that's only for the input & output
streams, isn't it? Pulled.
# Iterator around {{Collections.unmodifiableSet}}. Nicely spotted —I hadn't even thought
of that. Done
# {{S3ATestUtils#createSubdirs}} javadocs. I've pulled that method into {{ContractTestUtils}};
looks like the cut and paste fixed it.
# temp dir for {{testCostOfCopyFromLocalFile}} : using {{GenericTestUtils.getTestDir("tmp")}}
for a temp dir.


> Add StorageStatistics to S3A; instrument some more operations
> -------------------------------------------------------------
>
>                 Key: HADOOP-13171
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13171
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 2.8.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Minor
>         Attachments: HADOOP-13171-branch-2-001.patch, HADOOP-13171-branch-2-002.patch,
HADOOP-13171-branch-2-003.patch, HADOOP-13171-branch-2-004.patch, HADOOP-13171-branch-2-005.patch,
HADOOP-13171-branch-2-006.patch, HADOOP-13171-branch-2-007.patch, HADOOP-13171-branch-2-008.patch,
HADOOP-13171-branch-2-009.patch, HADOOP-13171-branch-2-010.patch
>
>
> Add {{StorageStatistics}} support to S3A, collecting the same metrics as the instrumentation,
but sharing across all instances.



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