Timothy Bish created PROTON-1808:
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Summary: [proton-j] FrameWriter allocates additional buffer
capacity inefficiently
Key: PROTON-1808
URL: https://issues.apache.org/jira/browse/PROTON-1808
Project: Qpid Proton
Issue Type: Improvement
Components: proton-j
Affects Versions: proton-j-0.26.0
Reporter: Timothy Bish
Assignee: Timothy Bish
Fix For: proton-j-0.27.0
When writing a Transfer that has a larger payload than previously seen the
FrameWriter may need to grow its internal buffer to accommodate that transfer.
The current strategy is to double the capacity of the current buffer and copy
the old bytes into the new buffer and then check again if there is room.
Depending on the frame size setting and the size of the transfer this can
result in a large amount of garbage being created and a number of unneeded
copies of encoded performative data.
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