RFR: 6823565: Excessive use of HandleList class in de-serialization code causes OutOfMemory (original) (raw)
Claes Redestad claes.redestad at oracle.com
Sun Oct 25 01:27:27 UTC 2015
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Hi,
when deserializing objects with references to themselves, ObjectInputStream pointlessly marks the object as a dependency of itself, which increases memory required to deserialize certain memory graphs.
bug: https://bugs.openjdk.java.net/browse/JDK-6823565 webrev: http://cr.openjdk.java.net/~redestad/6823565/webrev.01/
Testing: jtreg java/io; verified memory allocation/usage drops when reading self-referencing objects.
/Claes
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