[jira] [Updated] (ARROW-6786) [C++] arrow-dataset-file-parquet-test is slow

["Wes McKinney (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-6786?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes McKinney updated ARROW-6786:
--------------------------------
    Fix Version/s: 1.0.0

> [C++] arrow-dataset-file-parquet-test is slow
> ---------------------------------------------
>
>                 Key: ARROW-6786
>                 URL: https://issues.apache.org/jira/browse/ARROW-6786
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++
>            Reporter: Antoine Pitrou
>            Priority: Major
>             Fix For: 1.0.0
>
>
> It takes 15 seconds in debug mode (probably more with ASAN /  UBSAN /etc.) to run 2 tests that simply iterated through a generated in-memory dataset:
> {code}
> $ ./build-test/debug/arrow-dataset-file-parquet-test 
> Running main() from /home/conda/feedstock_root/build_artifacts/gtest_1551008230529/work/googletest/src/gtest_main.cc
> [==========] Running 2 tests from 1 test case.
> [----------] Global test environment set-up.
> [----------] 2 tests from TestParquetFileFormat
> [ RUN      ] TestParquetFileFormat.ScanRecordBatchReader
> [       OK ] TestParquetFileFormat.ScanRecordBatchReader (7338 ms)
> [ RUN      ] TestParquetFileFormat.Inspect
> [       OK ] TestParquetFileFormat.Inspect (6222 ms)
> [----------] 2 tests from TestParquetFileFormat (13560 ms total)
> [----------] Global test environment tear-down
> [==========] 2 tests from 1 test case ran. (13560 ms total)
> [  PASSED  ] 2 tests.
> {code}
> Unless it is stressing something in particular, the number of repetitions or the batch size can probably be reduced dramatically.



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