Direct buffer access to improve deserialization performance
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Key: THRIFT-685
URL: https://issues.apache.org/jira/browse/THRIFT-685
Project: Thrift
Issue Type: Improvement
Components: Library (Java)
Reporter: Bryan Duxbury
Assignee: Bryan Duxbury
Priority: Minor
Fix For: 0.3
After poking around a bit and comparing how Thrift performs versus Protocol
Buffers, I think we should change our transports and protocols to support
optional direct buffer access behavior.
Basically, the way this works is that if the transport is backed by a buffer,
then it can give access to that buffer to the protocol. The protocol can then
do things like read a byte without instantiating a new one-byte array or decode
a string without an intermediate byte[] copy.
In my initial testing, we can reduce the amount of time it takes to deserialize
a struct by at least 25%. There are probably further gains to be had as well.
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