Hi everybody ! I use a tRowGenerator to generate only one line and after i run my job it right: [color=#ff3333][ERROR]: stage2.effectifs_modifie_0_1.Effectifs_modifie - tPartitioner_24 - Using 5 threads is greater than the available processors: 4 and may adversely affect performance.[/color] and it do this on my job Someone know why it do this??? Mallee