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Java / Java Serialization

How to improve Java serialization performance?

Java serialzation performance directly rely on the number and size of attributes in the Java object. To improve the performance,

  • Mark the unwanted or non Serializable attributes as transient.
  • Save only the state of the object, not the derived attributes.Some times, serializing them can be expensive.
  • Serialize attributes only with NON-default values.
  • Use Externalizable interface and implement the readExternal and writeExternal methods to dynamically identify the attributes to be serialized.

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