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https://issues.apache.org/jira/browse/IMPALA-7572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16615089#comment-16615089
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Tim Armstrong commented on IMPALA-7572:
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Yeah beefing up the pre-merge testing would be good. I'm not sure what you mean
by a "fake" version of S3 though - I think the majority of interesting
S3-related bugs like timing or S3 connector issues would only be revealed by
actually running against S3 for real.
> Put remote filesystems in pre-merge testing
> -------------------------------------------
>
> Key: IMPALA-7572
> URL: https://issues.apache.org/jira/browse/IMPALA-7572
> Project: IMPALA
> Issue Type: Bug
> Components: Infrastructure
> Affects Versions: Impala 3.0
> Reporter: Jim Apple
> Priority: Major
>
> https://gerrit.cloudera.org/#/c/11435/ revealed that a patch can pass
> pre-merge testing but fail on S3 or HDFS with erasure coding. We should have
> fake versions of filesystems like these (and ADLS) that run during pre-merge
> testing in order to find these type of failures earlier.
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