[squid-users] Sudden but sustained high bandwidth usage

[Eliezer Croitoru]

OK it's pretty simple to reproduce on any machine what so ever on 3.5.15-2.

open two terminals on two machines more or less.
Then run on one the next command
watch -n 0.2 "http_proxy=http://IP_OP_PROXY:3128/ curl --silent --range 
20-40 http://ngtech.co.il/squid/videos/sosp2011_27.mp4 | wc -c"

And on the other one:
"http_proxy=http://IP_OP_PROXY:3128/ wget 
http://ngtech.co.il/squid/videos/sosp2011_27.mp4

You will see that when the download is finished and at the same time the 
download of the partial content is still running, the SWAPFAIL_MISS happens.

If for some reason it won't work for someone(I doubt that there is 
faster then full env RAM only (hypervisor+vms+disks) so lower the 0.2 to 
0.1 .

Please file a bug report with the above details,

Eliezer

On 11/03/2016 15:55, Heiler Bemerguy wrote:
>
> Hi Eliezer,
>
> We usually don't restart it ever. Only recently I've been restarting it
> because of these issues. The shutdown_lifetime is set to 5 seconds only.
>
> We are still getting SWAPFAIL_MISS without any apparent reason, and if
> it is for a RANGE request, it would multiply it to many parallel
> connections.... I'd like to track it down but I'm afraid I don't have
> the knowledge to do it...
>
> root at proxy:/var/log/squid# tail -f access.log |grep SWAPF
> 1457703376.593    383 10.88.100.100 TCP_SWAPFAIL_MISS/206 533 GET
> http://vdownloader.com/wp-content/uploads/multiwebsite-570x321.png -
> HIER_DIRECT/104.25.245.28 image/png
> 1457703376.942    726 10.88.100.100 TCP_SWAPFAIL_MISS/206 530 GET
> http://vdownloader.com/wp-content/uploads/social-media-share-570x321.jpg
> - HIER_DIRECT/104.25.244.28 image/jpeg
> 1457703376.964    746 10.88.100.100 TCP_SWAPFAIL_MISS/206 529 GET
> http://vdownloader.com/wp-content/uploads/Cnet-logo.png -
> HIER_DIRECT/104.25.244.28 image/png
> 1457703540.685 106669 10.101.1.50 TCP_SWAPFAIL_MISS/200 3342325 GET
> http://www.rarlab.com/rar/wrar531br.exe - HIER_DIRECT/5.135.104.98
> application/octet-stream
> 1457703631.055   4088 10.101.1.130 TCP_SWAPFAIL_MISS/206 33062 GET
> http://www.cetapnet.com.br/arquivos_cetap/arquivos/pma_001_2015_anexo_03.pdf
> - HIER_DIRECT/200.219.214.204 application/pdf
> 1457703637.471   6407 10.101.1.130 TCP_SWAPFAIL_MISS/206 352287 GET
> http://www.cetapnet.com.br/arquivos_cetap/arquivos/pma_001_2015_anexo_03.pdf
> - HIER_DIRECT/200.219.214.204 application/pdf
> 1457703755.673    262 10.72.0.24 TCP_SWAPFAIL_MISS/206 21736 GET
> http://ciac.ufpa.br/phocadownload/EDITAL_018-2016-RET-HOM_REC_2-CH-SISU-2016.pdf
> - HIER_DIRECT/200.239.64.160 application/pdf
> 1457703755.712     35 10.72.0.24 TCP_SWAPFAIL_MISS/206 65938 GET
> http://ciac.ufpa.br/phocadownload/EDITAL_018-2016-RET-HOM_REC_2-CH-SISU-2016.pdf
> - HIER_DIRECT/200.239.64.160 application/pdf
>
> Best Regards,
>