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Posted to issues@drill.apache.org by "Rahul Challapalli (JIRA)" <ji...@apache.org> on 2017/03/29 23:14:41 UTC
[jira] [Created] (DRILL-5396) A flatten query on top of 2 files
with one record each causes oversize allocation error randomly
Rahul Challapalli created DRILL-5396:
----------------------------------------
Summary: 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
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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