<div dir="ltr"><div>I am seeing the following messages on dmesg output :-<br><br>TCP: Peer <a href="http://79.211.64.145:54649/80">79.211.64.145:54649/80</a> unexpectedly shrunk window 347253187:347272955 (repaired)<br>TCP: Peer <a href="http://79.211.64.145:54649/80">79.211.64.145:54649/80</a> unexpectedly shrunk window 347253187:347272955 (repaired)<br>
TCP: Peer <a href="http://79.211.64.145:54649/80">79.211.64.145:54649/80</a> unexpectedly shrunk window 347253187:347272955 (repaired)<br>TCP: Peer <a href="http://81.155.221.33:53075/80">81.155.221.33:53075/80</a> unexpectedly shrunk window 1986341072:1986342532 (repaired)<br>
TCP: Peer <a href="http://81.155.221.33:53075/80">81.155.221.33:53075/80</a> unexpectedly shrunk window 1986341072:1986342532 (repaired)<br>TCP: Peer <a href="http://81.155.221.33:53075/80">81.155.221.33:53075/80</a> unexpectedly shrunk window 1986341072:1986342532 (repaired)<br>
TCP: Peer <a href="http://79.211.64.145:54709/80">79.211.64.145:54709/80</a> unexpectedly shrunk window 1128744179:1128773611 (repaired)<br>TCP: Peer <a href="http://79.211.64.145:54709/80">79.211.64.145:54709/80</a> unexpectedly shrunk window 1128744179:1128773611 (repaired)<br>
TCP: Peer <a href="http://79.211.64.145:54709/80">79.211.64.145:54709/80</a> unexpectedly shrunk window 1128744179:1128773611 (repaired)<br>TCP: Peer <a href="http://79.211.64.145:54709/80">79.211.64.145:54709/80</a> unexpectedly shrunk window 1128744179:1128773611 (repaired)<br>
TCP: Peer <a href="http://79.211.64.145:54709/80">79.211.64.145:54709/80</a> unexpectedly shrunk window 1128744179:1128773611 (repaired)<br>TCP: Peer <a href="http://79.211.64.145:54709/80">79.211.64.145:54709/80</a> unexpectedly shrunk window 1128744179:1128773611 (repaired)<br>
<br><br></div>If somebody can explain me ? what is that shrunk window thing?<br></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Jan 24, 2013 at 1:27 AM, shahzaib shahzaib <span dir="ltr"><<a href="mailto:shahzaib.cb@gmail.com" target="_blank">shahzaib.cb@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">No i didn't concerned with network operators yet. And if someone can get me that chinese blog for setting 2k concurrent connections using sysctl-settings. So far i used this guide to tune kernal. <a href="http://www.cyberciti.biz/faq/linux-tcp-tuning/" target="_blank">http://www.cyberciti.biz/faq/linux-tcp-tuning/</a><br>
</div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Jan 24, 2013 at 1:21 AM, shahzaib shahzaib <span dir="ltr"><<a href="mailto:shahzaib.cb@gmail.com" target="_blank">shahzaib.cb@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>The load(nload) of 1500+ concurrent connections with 1Gbps port is : Curr: 988.95 MBit/s<br> ## ## ## ## ## ## ## ## # Avg: 510.84 MBit/s<br>
## ## ## ## ## ## ## ## # Min: 0.00 Bit/s<br> ## ## ## ## ## ## ## ## # Max: 1005.17 MBit/s<br>
## ## ## ## ## ## ## ## # Ttl: 10017.30 GByte<br><br></div>What should i see into dmesg to analyse the problem ? I'll also send you the nload when the traffic will hit to its peak, at this time its average traffic. The following is ifconfig eth0 output :-<br>
<br>eth0 Link encap:Ethernet HWaddr X:X:X:X:X:X<br> inet addr:X.X.X.X Bcast:X.X.X.X Mask:255.255.255.192<br> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1<br> RX packets:3713630148 errors:0 dropped:0 overruns:0 frame:0<br>
TX packets:7281199166 errors:0 dropped:0 overruns:0 carrier:0<br> collisions:0 txqueuelen:1000<br> RX bytes:260499010337 (242.6 GiB) TX bytes:10767156835559 (9.7 TiB)<br> Memory:fbe60000-fbe80000<br>
<br></div><div><div><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Jan 24, 2013 at 12:29 AM, Rainer Duffner <span dir="ltr"><<a href="mailto:rainer@ultra-secure.de" target="_blank">rainer@ultra-secure.de</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br>
Am 23.01.2013 um 20:03 schrieb shahzaib shahzaib <<a href="mailto:shahzaib.cb@gmail.com" target="_blank">shahzaib.cb@gmail.com</a>>:<br>
<div><br>
> And also the 20+ lines of vmstat are given below with 2.6.32 kernal :-<br>
<br>
<br>
</div>There was a thread recently (well, last year sometimes) with a link to a blog in Chinese with sysctl-settings etc.<br>
It had tunings for 2k concurrent connections.<br>
<br>
Maybe somebody can dig it out?<br>
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