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https://issues.apache.org/jira/browse/DRILL-7578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17035900#comment-17035900
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ASF GitHub Bot commented on DRILL-7578:
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cgivre commented on issue #1978: DRILL-7578: HDF5 Metadata Queries Fail with
Large Files
URL: https://github.com/apache/drill/pull/1978#issuecomment-585540955
@paul-rogers
I don't really think it's useful to return that much data and that was why I
added the config option to disable it. I do think having a data preview can be
useful but when you get a large dataset, the utility diminishes pretty quickly.
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> HDF5 Metadata Queries Fail with Large Files
> -------------------------------------------
>
> Key: DRILL-7578
> URL: https://issues.apache.org/jira/browse/DRILL-7578
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 1.18.0
> Reporter: Charles Givre
> Assignee: Charles Givre
> Priority: Major
> Fix For: 1.18.0
>
>
> With large files, Drill runs out of memory when attempting to project large
> datasets in the metadata.
> This PR adds a configuration option which removes the dataset projection from
> metadata queries and fixes this issue.
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