FramedTransport implementation that reuses its buffers
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Key: THRIFT-831
URL: https://issues.apache.org/jira/browse/THRIFT-831
Project: Thrift
Issue Type: New Feature
Components: Library (Java)
Reporter: Bryan Duxbury
Assignee: Bryan Duxbury
Fix For: 0.4
The current version of TFramedTransport allocates new read and write buffers
every time a frame is read or written. This is wasteful, leading to expensive
byte[] allocations, soaking up cpu and GC time unnecessarily.
It would be handy to have an implementation that automatically reuses existing
buffers if they're big enough, and grows them as appropriate. My testing shows
this to be as much as a 60% reduction in CPU cost in dealing with the transport.
I think it's important for us to keep separate implementations available, since
different applications might prefer to spend the CPU time to avoid having a big
chunk of memory permanently allocated.
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