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https://issues.apache.org/jira/browse/DRILL-5396?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rahul Challapalli updated DRILL-5396:
-------------------------------------
Affects Version/s: 1.11.0
> A flatten query on top of 2 files with one record each causes oversize
> allocation error randomly
> ------------------------------------------------------------------------------------------------
>
> Key: DRILL-5396
> URL: https://issues.apache.org/jira/browse/DRILL-5396
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Data Types, Storage - JSON
> Affects Versions: 1.11.0
> Reporter: Rahul Challapalli
>
> As part of verifying DRILL-3562, I came up with the below 2 files
> File 1:
> {code}
> { "a": { "b": { "c": [] } } }
> {code}
> File 2:
> {code}
> { "a": { "b": { "c": [1] } } }
> {code}
> Now the below query work on individual files, however when I run the query on
> a directory containing both the files, I randomly hit the below error
> {code}
> select FLATTEN(t.a.b.c) AS c from
> dfs.`/drill/testdata/json_kvgenflatten/drill3562` t;
> Error: SYSTEM ERROR: OversizedAllocationException: Unable to expand the
> buffer. Max allowed buffer size is reached.
> Fragment 0:0
> [Error Id: e556243b-7ad6-4131-81f7-e8b225c9c8bc on qa-node182.qa.lab:31010]
> (state=,code=0)
> {code}
> This could be related to the fix for DRILL-3562
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