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https://issues.apache.org/jira/browse/HADOOP-15034?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran updated HADOOP-15034:
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Parent: HADOOP-15619 (was: HADOOP-15226)
> S3Guard instrumentation to include cost of DynamoDB ops as metric
> -----------------------------------------------------------------
>
> Key: HADOOP-15034
> URL: https://issues.apache.org/jira/browse/HADOOP-15034
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.0.0
> Reporter: Steve Loughran
> Priority: Minor
>
> DynamoDB ops can return the cost of the operation in {{ConsumedCapacity}}
> methods.
> by switching to the API calls which include this in the results are used in
> {{DynamoDBMetadataStore}}, then we could provide live/aggregate stats on IO
> capacity used. This could aid in live monitoring S3Guard load, and help
> assess the cost of queries
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