[squid-users] Squid stopped working after cache.log and access.log rotation
Chee M Gui
cheemeng at function.com
Thu Apr 20 16:16:34 UTC 2017
Hi Eliezer
Thank you for the response, and sorry for the late reply.
As requested, here are the output of the commands you suggested:
root at paproxy:/# systemctl status squid
● squid.service - LSB: Squid HTTP Proxy version 3.x
Loaded: loaded (/etc/init.d/squid; bad; vendor preset: enabled)
Active: active (running) since Wed 2017-03-15 14:47:53 PDT; 1 months 5
days ago
Docs: man:systemd-sysv-generator(8)
Tasks: 4
Memory: 54.4M
CPU: 2min 38.957s
CGroup: /system.slice/squid.service
├─25482 /usr/sbin/squid -YC -f /etc/squid/squid.conf
├─25484 (squid-1) -YC -f /etc/squid/squid.conf
├─25485 (logfile-daemon) /var/log/squid/access.log
└─25486 (unlinkd)
Warning: Journal has been rotated since unit was started. Log output is
incomplete or unavailable.
root at paproxy:/#
top - 09:11:45 up 54 days, 23:51, 2 users, load average: 0.00, 0.00, 0.00
Tasks: 141 total, 1 running, 140 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.0 us, 0.0 sy, 0.0 ni, 99.9 id, 0.0 wa, 0.0 hi, 0.0 si,
0.0 st
KiB Mem : 6043140 total, 4844728 free, 135292 used, 1063120 buff/cache
KiB Swap: 6222844 total, 6222844 free, 0 used. 5556300 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
23355 root 20 0 41668 3776 3236 R 6.7 0.1 0:00.01 top
1 root 20 0 37884 5968 4020 S 0.0 0.1 0:27.20 systemd
2 root 20 0 0 0 0 S 0.0 0.0 0:00.22 kthreadd
3 root 20 0 0 0 0 S 0.0 0.0 0:01.01
ksoftirqd/0
5 root 0 -20 0 0 0 S 0.0 0.0 0:00.00
kworker/0:0H
7 root 20 0 0 0 0 S 0.0 0.0 1:28.65
rcu_sched
8 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcu_bh
9 root rt 0 0 0 0 S 0.0 0.0 0:00.14
migration/0
10 root rt 0 0 0 0 S 0.0 0.0 0:05.53
watchdog/0
11 root rt 0 0 0 0 S 0.0 0.0 0:05.75
watchdog/1
12 root rt 0 0 0 0 S 0.0 0.0 0:00.14
migration/1
13 root 20 0 0 0 0 S 0.0 0.0 0:02.48
ksoftirqd/1
15 root 0 -20 0 0 0 S 0.0 0.0 0:00.00
kworker/1:0H
16 root 20 0 0 0 0 S 0.0 0.0 0:00.00
kdevtmpfs
17 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 netns
18 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 perf
19 root 20 0 0 0 0 S 0.0 0.0 0:01.26
khungtaskd
20 root 0 -20 0 0 0 S 0.0 0.0 0:00.00
writeback
root at paproxy:/# ps -aux | grep squid
root 23358 0.0 0.0 14224 976 pts/0 S+ 09:12 0:00 grep
--color=auto squid
root 25482 0.0 0.1 109272 6416 ? Ss Mar15 0:00
/usr/sbin/squid -YC -f /etc/squid/squid.conf
proxy 25484 0.0 0.7 166684 45184 ? S Mar15 2:27 (squid-1)
-YC -f /etc/squid/squid.conf
proxy 25485 0.0 0.0 13280 1648 ? S Mar15 0:03
(logfile-daemon) /var/log/squid/access.log
root at paproxy:/#
root at paproxy:/# df -h
Filesystem Size Used Avail Use% Mounted on
udev 2.9G 0 2.9G 0% /dev
tmpfs 591M 60M 531M 11% /run
/dev/sda1 911G 1.9G 863G 1% /
tmpfs 2.9G 12K 2.9G 1% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 2.9G 0 2.9G 0% /sys/fs/cgroup
tmpfs 591M 0 591M 0% /run/user/1000
tmpfs 591M 0 591M 0% /run/user/0
root at paproxy:/#
root at paproxy:/# df -h
Filesystem Size Used Avail Use% Mounted on
udev 2.9G 0 2.9G 0% /dev
tmpfs 591M 60M 531M 11% /run
/dev/sda1 911G 1.9G 863G 1% /
tmpfs 2.9G 12K 2.9G 1% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 2.9G 0 2.9G 0% /sys/fs/cgroup
tmpfs 591M 0 591M 0% /run/user/1000
tmpfs 591M 0 591M 0% /run/user/0
root at paproxy:/#
root at paproxy:/# lsof -n|egrep "proxy|squid" | more
squid 25482 root cwd DIR 8,1
4096 2 /
squid 25482 root rtd DIR 8,1
4096 2 /
squid 25482 root txt REG 8,1
6430816 41946763 /usr/sbin/squid
squid 25482 root mem REG 8,1
47648 10093387 /lib/x86_64-linux-gnu/libnss_nis-2.23.
so
squid 25482 root mem REG 8,1
93128 10093399 /lib/x86_64-linux-gnu/libnsl-2.23.so
squid 25482 root mem REG 8,1
35688 10093400 /lib/x86_64-linux-gnu/libnss_compat-2.
23.so
squid 25482 root mem REG 8,1
47600 10093403 /lib/x86_64-linux-gnu/libnss_files-2.2
3.so
squid 25482 root mem REG 8,1
25913104 41944015 /usr/lib/x86_64-linux-gnu/libicudata.s
o.55.1
squid 25482 root mem REG 8,1
22520 10093098 /lib/x86_64-linux-gnu/libmnl.so.0.1.0
squid 25482 root mem REG 8,1
26248 41948589 /usr/lib/x86_64-linux-gnu/libnfnetlink
.so.0.2.0
Thank you once again
CM
On Thu, Mar 23, 2017 at 1:59 PM, Eliezer Croitoru <eliezer at ngtech.co.il>
wrote:
> There is another option!
> The log rotate script is doing something nasty or the systemd service file
> start up squid in a weird way.
> The output of:
> $ systemctl status squid
> $ top -n1 -b
> $ ps aux
> $ df -h
> $ netstat -ntulp
> $ lsof -n|egrep "proxy|squid"
>
> How many clients this system has?
> Is the system facing the Internet directly or behind some nat(aws or
> another provider)?
>
> The above are the basic required data to understand the situation.
>
> All The Bests,
> Eliezer
>
> ----
> http://ngtech.co.il/lmgtfy/
> Linux System Administrator
> Mobile: +972-5-28704261
> Email: eliezer at ngtech.co.il
>
>
> From: squid-users [mailto:squid-users-bounces at lists.squid-cache.org] On
> Behalf Of Chee M Gui
> Sent: Wednesday, March 22, 2017 5:18 PM
> To: squid-users at lists.squid-cache.org
> Subject: [squid-users] Squid stopped working after cache.log and
> access.log rotation
>
>
>
> Hi All
>
> We recently installed Squid 3.5.12-1ubuntu7.3 on Ubuntu 16.04.2 LTS. It
> ran fine at first but stopped working after a while. telnet server 3128
> still works, i.e., opens a blank window, but Squid is just not accepting
> requests. Then we realized that there is no new access.log file. The
> access.log file stopped rotated at 6:24AM on 3/17/2017. It looks like
> Squid wasn't able to create a new access.log? We could not find any error
> message in syslog or the cache.log. We haven't rebooted the server
> because we want to know what went wrong. It isn't the firewall blocking
> Squid because Squid was working fine all the while until recently. Also
> after it stopped working, we disabled the firewall to see if it would work
> but it still didn't work.
>
> root at paproxy:/var/log/squid# ls -alt
> total 15536
> drwxr-xr-x 2 proxy proxy 4096 Mar 21 06:25 .
> -rw-r----- 1 proxy proxy 63 Mar 21 06:25 cache.log
> drwxrwxr-x 9 root syslog 4096 Mar 21 06:25 ..
> -rw-r----- 1 proxy proxy 63 Mar 20 06:25 cache.log.1
> -rw-r----- 1 proxy proxy 83 Mar 19 06:25 cache.log.2.gz
> -rw-r----- 1 proxy proxy 15759111 Mar 17 06:24 access.log.1
> -rw-r----- 1 proxy proxy 117223 Mar 17 05:52 netdb.state
>
> Any ideas what went wrong?
>
> Thank you very much in anticipation.
>
> Gui
>
> _______________________________________________
> squid-users mailing list
> squid-users at lists.squid-cache.org
> http://lists.squid-cache.org/listinfo/squid-users
>
--
Chee Meng Gui
Function Engineering
650-833-0660
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