To increase the download speed via rsync its always better to use the latest rsync version.Refer to the following steps to install and upgrade the rsync
Loghin in to the server as a root user
root@linux7802 [~]# cd /usr/src/
Now download the latest rsync version source from the url https://rsync.samba.org/ftp/rsync/src/
root@linux7802 [/usr/src]#wget https://rsync.samba.org/ftp/rsync/src/rsync-3.0.9.tar.gz
root@linux7802 [/usr/src]#tar -xzvf rsync-3.0.9.tar.gz
root@linux7802 [/usr/src]#cd rsync-3.0.9/
root@linux7802 [/usr/src/rsync-3.0.9]# ./configure
root@linux7802 [/usr/src/rsync-3.0.9]# make
root@linux7802 [/usr/src/rsync-3.0.9]# make test
root@linux7802 [/usr/src/rsync-3.0.9]# make install
root@linux7802 [/usr/src/rsync-3.0.9]# rm -f /usr/bin/rsync
root@linux7802 [/usr/src/rsync-3.0.9]# ln -s /usr/local/bin/rsync /usr/bin/rsync
Now check the new rsync version
root@linux7802 [/usr/src/rsync-3.0.9]# rsync –version
rsync version 3.0.9 protocol version 30
Its 3.0.9 now 🙂