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Performance Tuning Guidelines for Windows Server 2003
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| bet | 11/61 | | Sana | 21.03.2017 | | Hajmi | 430.5 Kb. | | #1046 |
NumTcbTablePartitions
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By default, the table holding TCP connection states has as many partitions as the square of the number of processors. In most cases, the setting is appropriate and results in lowered contention on the tables. However, the default may be too high for 16 or more processors, and may result in too much CPU usage. In that case, set the following registry entry to a value lower than the square of the number of processors:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Tcpip
\Parameters\NumTcbTablePartitions (REG_DWORD)
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MaxUserPort
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A port is used whenever an active connection is used from a computer. Given the default value of available user mode ports (5,000 for each IP address) and TCP time-wait requirements, it may be necessary to make more ports available on the system. You can set the following registry entry to as high as 0xfffe (65534):
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Tcpip
\Parameters\MaxUserPort
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