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https://issues.apache.org/jira/browse/PARQUET-2374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17785024#comment-17785024
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ASF GitHub Bot commented on PARQUET-2374:
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parthchandra opened a new pull request, #1187:
URL: https://github.com/apache/parquet-mr/pull/1187
Make sure you have checked _all_ steps below.
### Jira
This PR addresses the following:
[PARQUET-2374](https://issues.apache.org/jira/browse/PARQUET-2374)
Add metrics support for parquet file reader
### Tests
No new tests. Adds a new public interface for reporting metrics from the
parquet file reader
> Add metrics support for parquet file reader
> -------------------------------------------
>
> Key: PARQUET-2374
> URL: https://issues.apache.org/jira/browse/PARQUET-2374
> Project: Parquet
> Issue Type: Improvement
> Components: parquet-mr
> Affects Versions: 1.13.1
> Reporter: Parth Chandra
> Priority: Major
>
> ParquetFileReader is used by many engines - Hadoop, Spark among them. These
> engines report various metrics to measure performance in different
> environments and it is usually useful to be able to get low level metrics out
> of the file reader and writers.
> It would be very useful to allow a simple interface to report the metrics.
> Callers can then implement the interface to record the metrics in any
> subsystem they choose.
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