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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2018/12/25 13:50:53 UTC
[GitHub] xuanyuanking opened a new pull request #23378: [SPARK-26225][SQL]
Track decoding time for each record in scan node
xuanyuanking opened a new pull request #23378: [SPARK-26225][SQL] Track decoding time for each record in scan node
URL: https://github.com/apache/spark/pull/23378
## What changes were proposed in this pull request?
Considering code and logic clean as well as overhead minimize, here we report total decoding time of all records in the current scan node by wrapping FileFormat.buildReaderWithPartitionValues. Detailed scenario list in the [Jira comment](https://issues.apache.org/jira/browse/SPARK-26225?focusedCommentId=16728620&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-16728620).
## How was this patch tested?
New test in SQLMetricsSuite for record decoding time metric.
Manually test locally:
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