ganeshmurthy commented on a change in pull request #1248:
URL: https://github.com/apache/qpid-dispatch/pull/1248#discussion_r659850003



##########
File path: src/adaptors/http2/http2_adaptor.c
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@@ -576,25 +609,27 @@ static int snd_data_callback(nghttp2_session *session,
         memcpy(qd_http2_buffer_cursor(http2_buff), framehd, 
HTTP2_DATA_FRAME_HEADER_LENGTH);
         qd_http2_buffer_insert(http2_buff, HTTP2_DATA_FRAME_HEADER_LENGTH);
         pn_raw_buffer_t pn_raw_buffs[stream_data->qd_buffers_to_send];

Review comment:
       This VLA is in the fast path. It seems to me that the VLA is the fastest 
approach in this situation.  Thoughts?
   
   In this case, stream_data->qd_buffers_to_send does not exceed 32.
   32 is the number of qd_buffers that will fit in one 16k http2 buffer.




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