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The default config for ATS leaves these disabled.
I found that roughly 1MB of buffer for each seems to be optimalI believe these to be useful
for HTTP streaming applications such as Internet Radio and YouTube.
However, setting these too large tends to slow down the cache overall.

CONFIG proxy.config.net.sock_send_buffer_size_in INT 1048576131072
CONFIG proxy.config.net.sock_recv_buffer_size_in INT 1048576131072
CONFIG proxy.config.net.sock_send_buffer_size_out INT 1048576131072
CONFIG proxy.config.net.sock_recv_buffer_size_out INT 1048576131072

Miscellaneous Task Threads

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