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https://issues.apache.org/jira/browse/HUDI-1351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17219060#comment-17219060
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liwei commented on HUDI-1351:
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[~pwason] hi, Ask you some questions about integration testing. How can i run
hudi-integ-test local when pull request failed with some integ-test case ? :D
> Improvements required to hudi-test-suite for scalable and repeated testing
> --------------------------------------------------------------------------
>
> Key: HUDI-1351
> URL: https://issues.apache.org/jira/browse/HUDI-1351
> Project: Apache Hudi
> Issue Type: Improvement
> Reporter: Prashant Wason
> Assignee: Prashant Wason
> Priority: Major
> Labels: pull-request-available
>
> There are some shortcomings of the hudi-test-suite which would be good to fix:
> 1. When doing repeated testing with the same DAG, the input and output
> directories need to be manually cleaned. This is cumbersome for repeated
> testing.
> 2. When running a long test, the input data generated by older DAG nodes is
> not deleted and leads to high file count on the HDFS cluster. The older files
> can be deleted once the data has been ingested.
> 3. When generating input data, if the number of insert/update partitions is
> less than spark's default parallelism, a number of empty avro files are
> created. This also leads to scalability issues on the HDFS cluster. Creating
> large number of smaller AVRO files is slower and less scalable than single
> AVRO file.
> 4. When generating data to be inserted, we cannot control which partition the
> data will be generated for or add a new partition. Hence we need a
> start_offset parameter to control the partition offset.
> 5. BUG: Does not generate correct number of insert partitions as partition
> number is chosen as a random long.
> 6. BUG: Integer division used within Math.ceil in a couple of places is not
> correct and leads to 0 value. Math.ceil(5/10) == 0 and not 1 (as intended)
> as 5 and 10 are integers.
>
> 1. When generating input data,
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