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Improving Apache Download Speeds | |
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| by: (29 Apr 2010) | |||
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The download speed in Apache 2.2 with a vanilla XP and probably other versions is fairly slow. If it seems to fall below the FTP speed on the same machine and OS, then try the following client and/or server side changes for Windows XP using regedit.
CLIENT SIDE CHANGES (experimental, remove if glitchy network) On the client side, try setting these TCP/IP parameters HKLM/SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\GlobalMaxTcpWindowSize=256960 (decimal) HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\TcpWindowSize=256960 (decimal) --------------------------------------- SERVER SIDE CHANGES HKEY_LOCAL_MACHINE > SYSTEM > CurrentControlSet > Services > AFD > Parameters You need to create TWO DWORD values "DefaultReceiveWindow" and "DefaultSendWindow" You then set both these values using DECIMAL (not Hex) using this formula: DefaultReceiveWindow = (Download Capacity in Kilobits * 1024) / 8 DefaultSendWindow = (Upload Capacity in Kilobits * 1024) / 8 For example, for a 10Mbit (10000Kbit) upload and download: DefaultReceiveWindow = (10000 * 1024) / 8 = 1280000 DefaultSendWindow = (10000 * 1024) / 8 = 1280000
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