Descriptors used during serialization should be immutable objects
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Key: THRIFT-10
URL: https://issues.apache.org/jira/browse/THRIFT-10
Project: Thrift
Issue Type: Improvement
Components: Library (Java)
Reporter: Johan Stuyts
Priority: Minor
The descriptors for structures, messages, types, etc. in package
{{com.facebook.thrift.protocol}} which are used during (de-)serialization have
mutable attributes. This forces the creation of these descriptors for each use
even if the data is constant in many cases.
By changing the descriptors to be immutable, structures and protocols can use
singleton, constant instances during (de-)serialization. This will improve
performance a bit by preventing the creation of hundreds (thousands?) of
short-lived objects per second during heavy use of Thrift.
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