Ïðèëîæåíèÿ, èñïîëüçóþùèå ïðîòîêîë UDP ìîãóò âîçíèêàòü ñíèæåíèå ïðîèçâîäèòåëüíîñòè íà êîìïüþòåðå ïîä óïðàâëåíèåì Windows Server 2003

Ðàññìîòðèì îïèñàííóþ íèæå ñèòóàöèþ.:

• You install a Gigabit Ethernet adapter on a computer that is running Windows Server 2003 Service Pack 2 (SP2) or an x64-based version of Windows XP Service Pack 2 (SP2).
• You install the network adapter driver that is Network Driver Interface Specification (NDIS) 5.1 or 5.2 compliant.
• You have an application that transfers data by using the UDP protocol through the Gigabit Ethernet adapter.

Under a heavy stress situation, the UDP packets are randomly dropped. This issue leads to a decrease in performance and to lots of UDP retransmissions.

The Ndis.sys driver queues the deferred procedure call (DPC) routines at a low importance level on the same processor that services the interrupt service routine (ISR). Therefore, the UDP related DPC routine goes to the end of the queue, and this DPC routine is processed last. Additionally, the DPC queue of the processor may not be empty, and these DPCs for other I/O drivers are processed first. If the DPC rate is sufficiently high for all I/O drivers, not just for NDIS, there can be a noticeable delay.

Under a heavy stress situation, this delay can cause the system to drop packets when the Ethernet adapter's receive buffers fill while the receive buffers wait for the queued DPC routine to finish.

Ñâåäåíèÿ îá èñïðàâëåíèè

A supported hotfix is available from Microsoft. Ýòî èñïðàâëåíèå ïðåäíàçíà÷åíî äëÿ óñòðàíåíèÿ ïðîáëåìû, îïèñàííîé â ýòîé ñòàòüå.. Apply this hotfix only to systems that are experiencing the problem described in this article. Èñïðàâëåíèå ìîæåò ïðîõîäèòü äîïîëíèòåëüíîå òåñòèðîâàíèå.. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Ïðèìå÷àíèå.If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:Ïðèìå÷àíèå.The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Ïðåäâàðòåëüíûå òðåáîâàíèÿ

Äëÿ óñòàíîâêè èñïðàâëåíèÿ êîìïüþòåð íåîáõîäèìî çàïóñòèòü Windows Server 2003 ñ ïàêåòîì îáíîâëåíèÿ 2 (SP2).

Íåîáõîäèìîñòü ïåðåçàãðóçêè

You must restart the computer after you apply this hotfix.

Ñâåäåíèÿ î âíåñåíèè èçìåíåíèé â ñèñòåìíûé ðååñòð

Íåò íåîáõîäèìîñòè âíåñåíèÿ êàêèõ-ëèáî èçìåíåíèé â ðååñòð.

File information

Àíãëèéñêàÿ âåðñèÿ èñïðàâëåíèÿ ñîäåðæèò âåðñèè ôàéëîâ, ïðèâåäåííûå â ñëåäóþùåé òàáëèöå (èëè áîëåå ïîçäíèå).. The dates and times for these files are listed in Coordinated Universal Time (UTC). Ïðè ïðîñìîòðå ñâåäåíèé î ôàéëå, âðåìÿ èçìåíÿåòñÿ íà ìåñòíîå.. To find the difference between UTC and local time, use the×àñîâîé ïîÿñíà âêëàäêåÄàòà è âðåìÿýëåìåíò ïàíåëè óïðàâëåíèÿ.

Äëÿ âñåõ ïîääåðæèâàåìûõ 32-ðàçðÿäíûõ âåðñèé Windows Server 2003 (x86)

Äëÿ âñåõ ïîääåðæèâàåìûõ 64-ðàçðÿäíûõ âåðñèé Windows Server 2003 è Windows XP

Äëÿ âñåõ ïîääåðæèâàåìûõ âåðñèé Windows Server 2003 äëÿ ïëàòôîðìû Itanium

To work around the issue, enable the receive-side scaling (RSS) feature on the affected computer.

Ïðèìå÷àíèå.The NDIS miniport must be 5.2 capable to use any Scalable Networking Pack new feature or improvement including RSS.

Äëÿ ïîëó÷åíèÿ äîïîëíèòåëüíûõ ñâåäåíèé îáðàòèòåñü ê ñëåäóþùåé ñòàòüå Áàçû Çíàíèé Ìàéêðîñîôò::

Êîðïîðàöèÿ Ìàéêðîñîôò ïîäòâåðæäàåò, ÷òî ýòî ïðîáëåìà â ïðîäóêòàõ Ìàéêðîñîôò, ïåðå÷èñëåííûõ â ðàçäåëå «Ïðèìåíÿåòñÿ ê»..

Äëÿ ïîëó÷åíèÿ äîïîëíèòåëüíûõ ñâåäåíèé îáðàòèòåñü ê ñëåäóþùåé ñòàòüå Áàçû Çíàíèé Ìàéêðîñîôò::

Ïðèìå÷àíèå. Ýòî ÝÊÑÏÐÅÑÑ-ÏÓÁËÈÊÀÖÈß, ïîäãîòîâëåííàÿ íåïîñðåäñòâåííî ñëóæáîé òåõíè÷åñêîé ïîääåðæêè Ìàéêðîñîôò . Ñâåäåíèÿ, ñîäåðæàùèåñÿ â äàííîì äîêóìåíòå, ïðåäîñòàâëåíû â êà÷åñòâå îòêëèêà íà âîçíèêøèå ïðîáëåìû. Èç-çà ñðî÷íîñòè â ìàòåðèàëàõ ìîãóò áûòü îïå÷àòêè, è â ëþáîå âðåìÿ è áåç óâåäîìëåíèÿ â íèõ ìîãóò áûòü âíåñåíû èçìåíåíèÿ. ×òîáû ïîëó÷èòü äîïîëíèòåëüíûå ñâåäåíèÿ, ñì. Óñëîâèÿ èñïîëüçîâàíèÿ (http://go.microsoft.com/fwlink/?LinkId=151500) .