Sets the size for a buffer used by the TCP/IP protocol stack.
{ SendBufferSize | SNDBUFSZ }=size[ k | m | g ]
TCP/IP
size This integer specifies the size of the largest request the database server can accept. The default value is in bytes, but you can use k, m, or g to specify units of kilobytes, megabytes, or gigabytes, respectively.
Computer-dependent.
You may want to increase the value if BLOB performance over the network is important.