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https://issues.apache.org/jira/browse/IMPALA-9033?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong resolved IMPALA-9033.
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Fix Version/s: Impala 3.4.0
Resolution: Fixed
> Log metrics for slow I/Os
> -------------------------
>
> Key: IMPALA-9033
> URL: https://issues.apache.org/jira/browse/IMPALA-9033
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Reporter: Tim Armstrong
> Assignee: Tim Armstrong
> Priority: Major
> Fix For: Impala 3.4.0
>
>
> We should detect I/Os that take longer than a configurable threshold, e.g 10
> seconds might be reasonable and then log some extra information about them -
> any of the metrics we get from the HDFS client.
> This will help debug certain perf issues and hangs.
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