Davies Liu created SPARK-4090:
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Summary: Memory leak in snappy-java 1.1.1.4/5
Key: SPARK-4090
URL: https://issues.apache.org/jira/browse/SPARK-4090
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 1.2.0
Reporter: Davies Liu
Priority: Blocker
There is memory-leak bug in snappy-java 1.1.1.4/5, we should rollback to
1.1.1.3 or wait for bugfix.
The jenkins tests timeouted or OOM multiple times recently. While test it
locally, I got the heap dump of leaked JVM:
Then found that it's a bug in recent releases of snappy-java:
{code}
+ inputBuffer = inputBufferAllocator.allocate(inputSize);
+ outputBuffer = inputBufferAllocator.allocate(outputSize);
{code}
The outputBuffer is allocated from inputBufferAllocator but released to
outputBufferAllocator: https://github.com/xerial/snappy-java/issues/91
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