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Lots of "No route to host" in Nginx error log

xufengnju
January 05, 2010 09:08PM
Hi All,

We got lots of "No route to host" in Nginx error log.
'
2010/01/05 22:28:01 [error] 29366#0: *26063920 connect() failed (113: No route to host) while connecting to upstream, client: 60.217.152.205, server: test.com, request: GET /herundong/index.php HTTP/1.1, upstream: http://x.y.z.a:80/herundong/index.php, host: events.test.com '
Using curl on the Nginx proxy server like
curl -v -H "Host: events.test.com" http://x.y.z.a/herundong/index.php
works as expected.
I searched in Nginx source code, and find even no 'No route to host' in its source code.

Nginx version: 0.7.63
Backend are Apache servers.

Current Nginx connections ~2k;
Current Apache Connections ~800(counting all active and inactive connections)
I saw on some connections of apache, there was a high Send-Q on established nginx-apache connections.
Current Apache load average is under 1;

Any suggestions?

Thanks in advance.

2010-01-06



xufengnju
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Subject Author Posted

Lots of "No route to host" in Nginx error log

xufengnju January 05, 2010 09:08PM

Re: Lots of "No route to host" in Nginx error log

Weibin Yao January 05, 2010 09:40PM

Re: Lots of "No route to host" in Nginx error log

任晓磊 January 07, 2010 05:16AM

Re: Lots of "No route to host" in Nginx error log

崔玉松 February 01, 2010 03:50PM

Re: Lots of "No route to host" in Nginx error log

zhangyun112112 March 23, 2010 08:26AM

Re: Lots of "No route to host" in Nginx error log

Cliff Wells March 23, 2010 11:56AM

Re: Lots of "No route to host" in Nginx error log

pacudes March 24, 2010 07:21PM

Re: Lots of "No route to host" in Nginx error log

pacudes March 25, 2010 03:05PM



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