Hi all, I'm running a transparent Squid proxy on a Linux Debian 5.0.5, configured as a bridge. The proxy serves a few thousands of users daily. It uses Squirm for URL rewriting, and (since 6 weeks) sarg for generating reports. I compiled it from source. This is the output of squid -v: Squid Cache: Version 3.1.7 configure options: '--enable-linux-netfilter' '--enable-wccp' '--prefix=/usr' '--localstatedir=/var' '--libexecdir=/lib/squid' '--srcdir=.' '--datadir=/share/squid' '--sysconfdir=/etc/squid' 'CPPFLAGS=-I../libltdl' --with-squid=/root/squid-3.1.7 --enable-ltdl-convenience I set squid.conf to allocate 10Gb of disk cache: cache_dir ufs /var/cache 10000 16 256 Everything worked fine for almost one year, but now suddenly I keep having problems. Recently Squid crashed and I had to delete swap.state. Now I keep seeing this warning message on cache.log and on console: client_side.cc(2977) okToAccept: WARNING! Your cache is running out of filedescriptors At OS level, /proc/sys/fs/file-max reports 314446. squidclient mgr:info reports 1024 as the max number of file descriptors. I've tried both to set SQUID_MAXFD=4096 on etc/default/squid and max_filedescriptors 4096 on squid.conf but neither was successful. Do I really have to recompile Squid to increase the max number of FDs? Today Squid crashed again, and when I tried to relaunch it it gave this output: 2011/10/11 11:18:29| Process ID 28264 2011/10/11 11:18:29| With 1024 file descriptors available 2011/10/11 11:18:29| Initializing IP Cache... 2011/10/11 11:18:29| DNS Socket created at [::], FD 5 2011/10/11 11:18:29| DNS Socket created at 0.0.0.0, FD 6 (...) 2011/10/11 11:18:29| helperOpenServers: Starting 40/40 'squirm' processes 2011/10/11 11:18:39| Unlinkd pipe opened on FD 91 2011/10/11 11:18:39| Store logging disabled 2011/10/11 11:18:39| Swap maxSize 10240000 + 262144 KB, estimated 807857 objects 2011/10/11 11:18:39| Target number of buckets: 40392 2011/10/11 11:18:39| Using 65536 Store buckets 2011/10/11 11:18:39| Max Mem size: 262144 KB 2011/10/11 11:18:39| Max Swap size: 10240000 KB 2011/10/11 11:18:39| /var/cache/swap.state.new: (28) No space left on device FATAL: storeDirOpenTmpSwapLog: Failed to open swap log. I therefore deactivated the cache and rerun Squid. It showed a long list of errors of this type: IpIntercept.cc(137) NetfilterInterception: NF getsockopt(SO_ORIGINAL_DST) failed on FD 10: (2) No such file or directory and then started. Now Squid is running and serving requests, albeit without caching. However, I keep seeing the same error: client_side.cc(2977) okToAccept: WARNING! Your cache is running out of filedescriptors What is the reason of this since I'm not using caching at all? Thanks a lot if you can shed some light on this. Best regards, Leonardo
