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板凳
发表于 2012-10-15 23:42:09
IP属地美国
|只看该作者
...对不起..看来你没碰到这样的问题.
E文论坛上碰到了同一种情况的讨论:
http://www.certforums.com/forums ... ding-web-pages.html
详细问题见上:
I've installed Server 2012 on my home desktop. However since doing this the internet access is Extremely slow, around 3-4 times slower than before.
The slowness has been observed in general use of Chrome on the OS. It seems that maybe setting up and closing connections is slower ?
It appears there is something wrong with the TCP/IP stack ?
Windows installed generic drivers for the Marvell 88E8056 Gigabit NIC.
It was slow with these drivers so I tried older 64 bit drivers from Marvell and saw no difference.
I've disabled or uninstalled everything from the interface in question exception Client for MS networks and IPV4 support.
The IPV4 settings are set to the defaults of DHCP etc.
I have tried disabling 'Large segment offload' again seemingly without effect.
I've tried disabling the firewall and real time AV but saw no difference.
I've tried resetting the TCP/IP stack, without effect.
Any ideas chaps ?
Is this possibly smart screen (I've turned it off, but maybe a bug) ?
详细测试数据:
iddler Certforums Main HTML Page :-
Request Count: 1
Bytes Sent: 778 (headers:778; body:0)
Bytes Received: 11,320 (headers:714; body:10,606)
ACTUAL PERFORMANCE
--------------
ClientConnected: 20:55:38.126
ClientBeginRequest: 20:55:38.126
GotRequestHeaders: 20:55:38.126
ClientDoneRequest: 20:55:38.126
Determine Gateway: 0ms
DNS Lookup: 19ms
TCP/IP Connect: 9020ms
HTTPS Handshake: 0ms
ServerConnected: 20:55:47.166
FiddlerBeginRequest: 20:55:47.166
ServerGotRequest: 20:55:47.166
ServerBeginResponse: 20:55:47.510
GotResponseHeaders: 20:55:47.510
ServerDoneResponse: 20:55:47.527
ClientBeginResponse: 20:55:47.527
ClientDoneResponse: 20:55:47.527
Overall Elapsed: 0:00:09.401
Fiddler All page content and HTML :-
Request Count: 95
Unique Hosts: 10
Bytes Sent: 98,537 (headers:98,537; body:0)
Bytes Received: 78,080 (headers:31,348; body:46,732)
ACTUAL PERFORMANCE
--------------
Requests started at: 21:03:10.000
Responses completed at: 21:03:59.369
Sequence (clock) duration: 00:00:49.369
Aggregate Session duration: 00:02:38.517
DNS Lookup time: 129ms
TCP/IP Connect duration: 153,544ms
RESPONSE CODES
--------------
HTTP/304: 85
HTTP/200: 10
RESPONSE BYTES (by Content-Type)
--------------
text/html: 44,869
~headers~: 31,348
image/gif: 1,692
image/png: 171
Basically TCP/Connections seem to take a long time to set up and tear down.
Changing the MTU seems to have helped a bit, but it still seems 3x slower than it should be.
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