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Subject: [jira] [Commented] (DRILL-3941) Add timing instrumentation around
 Partition Pruning
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    [ https://issues.apache.org/jira/browse/DRILL-3941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14986432#comment-14986432 ] 

ASF GitHub Bot commented on DRILL-3941:
---------------------------------------

Github user mehant commented on a diff in the pull request:

    https://github.com/apache/drill/pull/230#discussion_r43706628
  
    --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/store/parquet/Metadata.java ---
    @@ -163,7 +163,9 @@ private ParquetTableMetadata_v1 getParquetTableMetadata(String path) throws IOEx
         watch.start();
         List<FileStatus> fileStatuses = getFileStatuses(fileStatus);
         logger.info("Took {} ms to get file statuses", watch.elapsed(TimeUnit.MILLISECONDS));
    -    return getParquetTableMetadata(fileStatuses);
    +    ParquetTableMetadata_v1 metadata_v1 = getParquetTableMetadata(fileStatuses);
    +    logger.info("Took {} ms to read file metadata", watch.elapsed(TimeUnit.MILLISECONDS));
    --- End diff --
    
    I will modify this to exclude the getFileStatuses(). 


> Add timing instrumentation around Partition Pruning
> ---------------------------------------------------
>
>                 Key: DRILL-3941
>                 URL: https://issues.apache.org/jira/browse/DRILL-3941
>             Project: Apache Drill
>          Issue Type: Bug
>            Reporter: Mehant Baid
>            Assignee: Aman Sinha
>
> We seem to spending a chunk time doing partition pruning, it would be good to log timing information to indicate the amount of time we spend doing pruning. A little more granularity to indicate the time taken to build the filter tree and in the interpreter would also be good.



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