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https://issues.apache.org/jira/browse/HADOOP-17271?focusedWorklogId=524679&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-524679
]
ASF GitHub Bot logged work on HADOOP-17271:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 15/Dec/20 20:02
Start Date: 15/Dec/20 20:02
Worklog Time Spent: 10m
Work Description: steveloughran commented on pull request #2553:
URL: https://github.com/apache/hadoop/pull/2553#issuecomment-745533557
Test failures in tests which are seeing 1 too many LIST calls. I think the
wiring up of list duration and metrics is causing this; had something similar
with object metadata and HEAD requests, hence the different key names for the
duration and simple counter. If the duration has the same name then it updates
the counter, see.
[ERROR]
testCostOfListStatusOnEmptyDir[raw-delete-markers](org.apache.hadoop.fs.s3a.ITestS3AFileOperationCost)
Time elapsed: 6.77 s <<< FAILURE!
java.lang.AssertionError: operation returning
[Lorg.apache.hadoop.fs.s3a.S3AFileStatus;@10e4be9d: object_list_request
expected:<2> but was:<3>
at org.junit.Assert.fail(Assert.java:88)
at org.junit.Assert.failNotEquals(Assert.java:834)
at org.junit.Assert.assertEquals(Assert.java:645)
at
org.apache.hadoop.fs.s3a.S3ATestUtils$MetricDiff.assertDiffEquals(S3ATestUtils.java:1022)
at
org.apache.hadoop.fs.s3a.performance.OperationCostValidator$ExpectSingleStatistic.verify(OperationCostValidator.java:392)
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Issue Time Tracking
-------------------
Worklog Id: (was: 524679)
Time Spent: 8h 10m (was: 8h)
> S3A statistics to support IOStatistics
> --------------------------------------
>
> Key: HADOOP-17271
> URL: https://issues.apache.org/jira/browse/HADOOP-17271
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.3.0
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Major
> Labels: pull-request-available
> Time Spent: 8h 10m
> Remaining Estimate: 0h
>
> S3A to rework statistics with
> * API + Implementation split of the interfaces used by subcomponents when
> reporting stats
> * S3A Instrumentation to implement all the interfaces
> * streams, etc to all implement IOStatisticsSources and serve to callers
> * Add some tracking of durations of remote requests
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