Netezza: data transfer speed Fluid Query JDBC v.s. nz_migrate

TEST CASE:

Compare how fast data can be copied between two Netezza appliances: 

1. Using Netezza Fluid Query connection which is Java JDBC driver
2. Using nz_migrate, which is nzbackup/nzrestore behing the hood

RESULT:
nz_migrate in ASCII transfer mode is 20 times faster than JDBC, and 80 times faster in BINARY mode. 

DETAILS: 

Copying 1 GB table from one system to another: