Hi Salva, There is no improvement of adding the queue_size. I trust there is no issue with network as am able to download same file by WinSCP and performance is far better. I don't have your mail id so attaching some part of the debug message here 

#8788 1310498030.00000 got it!, len:32777, code:103, id:109, status: -
#8788 1310498030.00000 queueing msg len: 25, code:5, id:141 ... [32]
#8788 1310498030.00000 waiting for message... [32]
#8788 1310498031.00000 got it!, len:32777, code:103, id:110, status: -
#8788 1310498031.00000 queueing msg len: 25, code:5, id:142 ... [32]
#8788 1310498031.00000 waiting for message... [32]
#8788 1310498032.00000 got it!, len:32777, code:103, id:111, status: -
#8788 1310498032.00000 queueing msg len: 25, code:5, id:143 ... [32]
#8788 1310498032.00000 waiting for message... [32]
#8788 1310498033.00000 got it!, len:32777, code:103, id:112, status: -
#8788 1310498033.00000 queueing msg len: 25, code:5, id:144 ... [32]
#8788 1310498033.00000 waiting for message... [32]
#8788 1310498034.00000 got it!, len:32777, code:103, id:113, status: -
#8788 1310498034.00000 queueing msg len: 25, code:5, id:145 ... [32]
#8788 1310498034.00000 waiting for message... [32]
#8788 1310498035.00000 got it!, len:32777, code:103, id:114, status: -
#8788 1310498035.00000 queueing msg len: 25, code:5, id:146 ... [32]
#8788 1310498035.00000 waiting for message... [32]
#8788 1310498037.00000 got it!, len:32777, code:103, id:115, status: -
#8788 1310498037.00000 queueing msg len: 25, code:5, id:147 ... [32]
#8788 1310498037.00000 waiting for message... [32]
#8788 1310498038.00000 got it!, len:32777, code:103, id:116, status: -
#8788 1310498038.00000 queueing msg len: 25, code:5, id:148 ... [32]

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In reply to Re^2: Net::SFTP::Foreign is slow by ssubrat77
in thread Net::SFTP::Foreign is slow by ssubrat77

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