Performance Issue at MS Windows

https://www-304.ibm.com/support/docview.wss?uid=swg21295167

http://support.microsoft.com/kb/951037

Current Status

netsh int tcp show global

Disabling Receive Side Scaling (RSS)

netsh int tcp set global rss=disabled

Disabling TCP Chimney Offload

netsh int tcp set global chimney=disabled

netsh int tcp set global chimney=netdma

Current Status

netsh>int tcp show global
Querying active state... 

TCP Global Parameters
----------------------------------------------
Receive-Side Scaling State          : disabled
Chimney Offload State               : disabled
NetDMA State                        : disabled
Direct Cache Acess (DCA)            : disabled
Receive Window Auto-Tuning Level    : normal
Add-On Congestion Control Provider  : ctcp
ECN Capability                      : disabled
RFC 1323 Timestamps                 : disabled

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters

b. Add a new DWORD value named DisableTaskOffload and set it to 1.

Ver também