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Posted to issues@drill.apache.org by "Paul Rogers (JIRA)" <ji...@apache.org> on 2016/12/24 00:59:58 UTC
[jira] [Created] (DRILL-5160) Memory leak in Parquet async reader
when Snappy fails
Paul Rogers created DRILL-5160:
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Summary: Memory leak in Parquet async reader when Snappy fails
Key: DRILL-5160
URL: https://issues.apache.org/jira/browse/DRILL-5160
Project: Apache Drill
Issue Type: Bug
Affects Versions: 1.9.0
Reporter: Paul Rogers
Assignee: Parth Chandra
See the details in DRILL-5157. The Parquet async reader uses the Snappy library. If the call into Snappy fails (in my case, due to missing dependency management in the Drill pom.xml file), the Parquet reader fails (as it should.)
Unfortunately, the Parquet reader leaks memory which cause {{IllegalStateException}} errors in production, assertion failures in unit tests.
To reproduce this the easy way (to avoid the need to undo the fix for DRILL-5157 in Snappy dependencies), use Drill's exception injector in inject an exception at the line where we call into Snappy (See DRILL-5157 for details.)
Set a breakpoint exception for {{IllegalStateException}} you will see the memory leak.
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