xvrl opened a new pull request #11052:
URL: https://github.com/apache/kafka/pull/11052
Our current LZ4 OutputStream implementation allocates compression buffers
internally and relies on intermediate byte arrays for input and output
buffers.
With this change we now use ByteBuffers internally, and as a result:
* we write directly to the target ByteBuffer, avoiding an additional copy
* we no longer allocate an output compression buffer, reducing allocations
by half
* we pave the way to make compression buffers reusable, similar to what we do
for decompression
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