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Posted to issues-all@impala.apache.org by "Sahil Takiar (Jira)" <ji...@apache.org> on 2019/11/18 17:47:00 UTC
[jira] [Comment Edited] (IMPALA-8714) Metrics for tracking query
failure reasons
[ https://issues.apache.org/jira/browse/IMPALA-8714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16976728#comment-16976728 ]
Sahil Takiar edited comment on IMPALA-8714 at 11/18/19 5:46 PM:
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We should expose the error type in the runtime profiles as well. Something like "Error Type: [Memory Limit Exceeded, RPC Failure, ...]".
The benefit is that it provides a way for use to take a set of runtime profiles, and easily group them by the error type.
was (Author: stakiar):
We should expose the error type in the runtime profiles as well. Something like "Error Type: [Memory Limit Exceeded, RPC Failure, ...]".
> Metrics for tracking query failure reasons
> ------------------------------------------
>
> Key: IMPALA-8714
> URL: https://issues.apache.org/jira/browse/IMPALA-8714
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Affects Versions: Impala 3.3.0
> Reporter: Michael Ho
> Priority: Major
> Labels: observability
>
> A query can fail for various reasons when run in Impala:
> - analysis failure (e.g. SQL syntax mistake)
> - access right issue (e.g. no privilege for certain ops on a table)
> - memory limit exceeded
> - scratch limit exceeded
> - EXEC_TIME_LIMIT_S exceeded
> - other guard rail exceeded
> - executor crashes
> - rpc failures
> - corrupted data files
> - client disconnected or session timed out
> This JIRA tracks the effort to explicitly classify query failures into some high level categories and expose them in the metrics. This should provide us a clearer view of what types of failures contribute the most to bad user experience for a given cluster.
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