On Wed, Dec 12, 2007, Ferraroni Matteo wrote: > Hi, the slowdown is mesured through the IE download window (no squid: > 250 Kb, with squid 60 Kb), the bandwidth pipe is 2 Megabits. * Use aufs, not ufs * upgrade to latest squid-2.6 * if those work, check TCP window scaling, ECN, send/receive sock buffer sizes, etc. Adrian > >> > >>How can I solve this? > >> > >>Squid.conf > >> > >>http_port 8080 transparent > >>icp_port 0 > >>htcp_port 0 > >>cache_access_log /var/log/squid/access.log > >>cache_log /var/log/squid/cache.log > >>cache_store_log /var/log/squid/store.log > >>emulate_httpd_log on > >>mime_table /etc/squid/mime.conf > >>pid_filename /var/run/squid.pid > >>dns_nameservers 213.140.2.12 208.67.222.222 193.205.245.66 > >>acl all src 0.0.0.0/0.0.0.0 > >>http_access allow all > >> > >>iptables rules > >> > >>$IPTABLES -t nat -A PREROUTING -p tcp --dport 80 -s 172.16.0.0/16 -j > >>REDIRECT --to-port 8080 > >>$IPTABLES -t nat -A POSTROUTING -s 172.16.0.0/16 -j SNAT --to-source > >>192.168.1.2 > > > >How many network interfaces does your Squid box have? So this box > >performs NAT and Proxy service simultaneously? > > > The squid box has 2 netwoks attached (192.168.1.0/24 on the internet > side and 172.16.0.0/16 on the lan side) the box performs NAT and Proxy > services simultaneously. > >Maybe you have large ACLs filtering on your squid.conf? What is the > >output of "squidclient mgr:info"? > The squid.conf is above and I have only one acl. > Here you are the squidclient mgr:info output. > > Squid Object Cache: Version 2.6.STABLE17 > Start Time: Wed, 12 Dec 2007 13:10:26 GMT > Current Time: Wed, 12 Dec 2007 13:10:39 GMT > Connection information for squid: > Number of clients accessing cache: 2 > Number of HTTP requests received: 4 > Number of ICP messages received: 0 > Number of ICP messages sent: 0 > Number of queued ICP replies: 0 > Number of HTCP messages received: 0 > Number of HTCP messages sent: 0 > Request failure ratio: 0.00 > Average HTTP requests per minute since start: 18.9 > Average ICP messages per minute since start: 0.0 > Select loop called: 86 times, 147.512 ms avg > Cache information for squid: > Request Hit Ratios: 5min: 0.0%, 60min: 0.0% > Byte Hit Ratios: 5min: -0.0%, 60min: -0.0% > Request Memory Hit Ratios: 5min: 0.0%, 60min: 0.0% > Request Disk Hit Ratios: 5min: 0.0%, 60min: 0.0% > Storage Swap size: 0 KB > Storage Mem size: 108 KB > Mean Object Size: 0.00 KB > Requests given to unlinkd: 0 > Median Service Times (seconds) 5 min 60 min: > HTTP Requests (All): 0.00000 0.00000 > Cache Misses: 0.00000 0.00000 > Cache Hits: 0.00000 0.00000 > Near Hits: 0.00000 0.00000 > Not-Modified Replies: 0.00000 0.00000 > DNS Lookups: 0.00000 0.00000 > ICP Queries: 0.00000 0.00000 > Resource usage for squid: > UP Time: 12.686 seconds > CPU Time: 0.008 seconds > CPU Usage: 0.06% > CPU Usage, 5 minute avg: 0.00% > CPU Usage, 60 minute avg: 0.00% > Process Data Segment Size via sbrk(): 2292 KB > Maximum Resident Size: 0 KB > Page faults with physical i/o: 0 > Memory usage for squid via mallinfo(): > Total space in arena: 2292 KB > Ordinary blocks: 2050 KB 3 blks > Small blocks: 0 KB 0 blks > Holding blocks: 240 KB 1 blks > Free Small blocks: 0 KB > Free Ordinary blocks: 241 KB > Total in use: 2290 KB 90% > Total free: 241 KB 10% > Total size: 2532 KB > Memory accounted for: > Total accounted: 157 KB > memPoolAlloc calls: 1033 > memPoolFree calls: 376 > File descriptor usage for squid: > Maximum number of file descriptors: 1024 > Largest file desc currently in use: 13 > Number of file desc currently in use: 10 > Files queued for open: 0 > Available number of file descriptors: 1014 > Reserved number of file descriptors: 100 > Store Disk files open: 0 > IO loop method: epoll > Internal Data Structures: > 27 StoreEntries > 27 StoreEntries with MemObjects > 26 Hot Object Cache Items > 0 on-disk objects > > UPDATE: After the squid upgrade, my client downloads the first 4 megs at > full speed and afterwards it slows down to 60Kbytes/s. The same > behaviour is seen with different URLS. > > Thanks in advance. > Matteo > -- - Xenion - http://www.xenion.com.au/ - VPS Hosting - Commercial Squid Support - - $25/pm entry-level VPSes w/ capped bandwidth charges available in WA -
