12a3e23e47
Motivation: MessageToByteEncoder always starts with ByteBuf that use initalCapacity == 0 when preferDirect is used. This is really wasteful in terms of performance as every first write into the buffer will cause an expand of the buffer itself. Modifications: - Change ByteBufAllocator.ioBuffer() use the same default initialCapacity as heapBuffer() and directBuffer() - Add new allocateBuffer method to MessageToByteEncoder that allow the user to do some smarter allocation based on the message that will be encoded. Result: Less expanding of buffer and more flexibilty when allocate the buffer for encoding. |
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