Evan Pollan created CURATOR-354:
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Summary: GzipCompressionProvider leaks native memory
Key: CURATOR-354
URL: https://issues.apache.org/jira/browse/CURATOR-354
Project: Apache Curator
Issue Type: Bug
Affects Versions: 2.11.0
Reporter: Evan Pollan
Assignee: Jordan Zimmerman
Both compress and decompress instantiate GZIP streams, use them, and don't
close them. The java util deflate/inflate streams use JNI to leverage zlib,
including the allocation of a native, off-heap buffer.
These JNI buffer handles are released when the containing stream is closed.
They're also released by the finalize() method on
java.util.zip.Inflater/Deflater, _but_ it looks as if the native memory can
pile up quickly enough in certain use cases where the JVM is OOM killed before
the finalizer does its thing.
Fix is to explicitly close these streams after they're used.
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