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https://issues.apache.org/jira/browse/HADOOP-17271?focusedWorklogId=488811&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-488811
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ASF GitHub Bot logged work on HADOOP-17271:
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Author: ASF GitHub Bot
Created on: 23/Sep/20 04:11
Start Date: 23/Sep/20 04:11
Worklog Time Spent: 10m
Work Description: steveloughran commented on pull request #2324:
URL: https://github.com/apache/hadoop/pull/2324#issuecomment-696908568
@liuml07 it's split in hadoop-common API and the changes in S3A, where S3A
reworks a lot of the statistics code in general (move to interfaces over single
implementations in S3AInstrumentation, using the IOStatistics as the way stats
are collected and reported).
Yes, it touches a lot of files. Look at #2323 first, as that is what we
expect applications to use and for other instrumented bits of code (ABFS) to
pick up. FWIW I have a PoC parquet hadoop reader which collects this stuff,
that's how I've been seeing how well the API works in practise
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Issue Time Tracking
-------------------
Worklog Id: (was: 488811)
Time Spent: 1h 40m (was: 1.5h)
> 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: 1h 40m
> 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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