Antony, For just squid process open files count. [root@squidprod ~]# lsof -c squid | wc -l 4385 Thanks, Naresh -----Original Message----- From: Cherukuri, Naresh Sent: Friday, October 5, 2018 3:52 PM To: 'Antony Stone'; squid-users@xxxxxxxxxxxxxxxxxxxxx Subject: RE: socket failure: (24) Too many open files Thanks for quick turnover! Please find following details that you requested. >On what Operating System? Operating system : Red Hat 7.0 > I Increased the memory from 12 GB to 32 GB > You mean you put more memory into the server, or you re-configured something in software (if so, what)? We put more memory into server. Before the server has 12 GB and we increase to 32GB. > and Max file descriptors from "4096" to "8192" [root@squidprod ~]# cat /etc/squid/squid.conf | grep "max_filedescriptors" max_filedescriptors 8192 >ulimit -a value [root@squidprod ~]# ulimit -a core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 255941 max locked memory (kbytes, -l) 64 max memory size (kbytes, -m) unlimited open files (-n) 8192 pipe size (512 bytes, -p) 8 POSIX message queues (bytes, -q) 819200 real-time priority (-r) 0 stack size (kbytes, -s) 8192 cpu time (seconds, -t) unlimited max user processes (-u) 255941 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited [root@squidprod ~]# lsof | wc -l 10875 Thanks, Naresh -----Original Message----- From: squid-users [mailto:squid-users-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Antony Stone Sent: Friday, October 5, 2018 12:35 PM To: squid-users@xxxxxxxxxxxxxxxxxxxxx Subject: Re: socket failure: (24) Too many open files On Friday 05 October 2018 at 17:57:39, Cherukuri, Naresh wrote: > Hello Squid Group, > > > I am using squid 3.5.20 as a proxy server. On what Operating System? > I Increased the memory from 12 GB to 32 GB You mean you put more memory into the server, or you re-configured something in software (if so, what)? > and Max file descriptors from "4096" to "8192" How did you do that? What does "ulimit -a" tell yoou? > and deployed this server into production on 09/26/2018". > > I don't have any problem from the past 10 days everything working as > expected till today. How many users do you have, what sort of number of connections per second/minute/hour (whatever is convenient for you to express) do you have going through this machine? > Now after 10 days for the first time, I got following errors on cache log > today. Can someone advise/suggest any ideas here? > > > Error(s) in /var/log/squid/cache.log: 2018/10/05 11:03:59 kid1| comm_open: > socket failure: (24) Too many open files > > 2018/10/05 11:03:59 kid1| comm_open: socket failure: (24) Too many open > files > > 2018/10/05 11:03:59 kid1| comm_open: socket failure: (24) Too many open > files > > 2018/10/05 11:03:59 kid1| comm_open: socket failure: (24) Too many open > files > > 2018/10/05 11:03:59 kid1| comm_open: socket failure: (24) Too many open > files > > 2018/10/05 11:03:59 kid1| comm_open: socket failure: (24) Too many open > files > > 2018/10/05 11:03:59 kid1| comm_open: socket failure: (24) Too many open > files > > 2018/10/05 11:03:59 kid1| comm_open: socket failure: (24) Too many open > files > > 2018/10/05 11:03:59 kid1| comm_open: socket failure: (24) Too many open > files What do "cat /proc/sys/fs/file-max" and "cat /proc/sys/fs/file-nr" tell you? > [n*****@squidprod ~]$ free -m > total used free shared buffers cached > Mem: 32004 15907 16097 138 295 14132 > -/+ buffers/cache: 1480 30524 > Swap: 24999 0 24999 However that has nothing to do with files or descriptors. What does domething ike "ulimit -a" or "lsof | wc" tell you? Antony. -- Angela Merkel arrives at Paris airport. "Nationality?" asks the immigration officer. "German," she replies. "Occupation?" "No, just here for a summit conference." Please reply to the list; please *don't* CC me. _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users