nginx error log

[Jeremy Hubert]

Hi all,

I'm using nginx on a fairly high traffic site and I've noticed that  
my error log is growing really quickly. It seems to be filling up  
with "closed keepalive connection" statements.

2007/01/12 10:04:49 [info] 23278#0: *2295 client 216.73.65.67 closed  
keepalive connection (104: Connection reset by peer)
2007/01/12 10:04:49 [info] 23278#0: *2749 client 81.182.163.223  
closed keepalive connection (104: Connection reset by peer)
2007/01/12 10:04:49 [info] 23278#0: *4069 client 216.124.112.140  
closed keepalive connection (104: Connection reset by peer)
2007/01/12 10:04:49 [info] 23282#0: *4046 client 195.93.60.72 closed  
keepalive connection
2007/01/12 10:04:50 [info] 23281#0: *4078 client 216.124.112.140  
closed keepalive connection (104: Connection reset by peer)
2007/01/12 10:04:50 [error] 23278#0: *4073 open() "/home/jhubert/ 
kidzworld/public/img/upload/quiz/qq11070482738906.jpg" failed (2: No  
such file or directory), client: 68.109.74.237, server:  
www.kidzworld.com, URL: "/img/upload/quiz/qq11070482738906.jpg",  
host: "www.kidzworld.com"
2007/01/12 10:04:50 [info] 23281#0: *4082 client 216.124.112.140  
closed keepalive connection (104: Connection reset by peer)
2007/01/12 10:04:50 [info] 23281#0: *4088 client 216.124.112.140  
closed keepalive connection (104: Connection reset by peer)
2007/01/12 10:04:50 [info] 23281#0: *1915 client 87.247.70.33 closed  
keepalive connection (104: Connection reset by peer)
2007/01/12 10:04:50 [info] 23281#0: *4091 client 216.124.112.140  
closed keepalive connection (104: Connection reset by peer)
2007/01/12 10:04:51 [info] 23282#0: *4050 client 24.239.239.67 closed  
keepalive connection (104: Connection reset by peer)
2007/01/12 10:04:51 [info] 23282#0: *4049 client 24.239.239.67 closed  
keepalive connection (104: Connection reset by peer)
2007/01/12 10:04:51 [info] 23282#0: *4035 client 90.26.128.152 closed  
keepalive connection (104: Connection reset by peer)
2007/01/12 10:04:51 [info] 23282#0: *3997 client 200.38.11.107 closed  
keepalive connection
2007/01/12 10:04:51 [info] 23279#0: *2952 client 213.217.198.50  
closed keepalive connection

I'm wondering if this is normal?

Thanks,
Jeremy