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pachanga
Tux's lil' helper
Joined: 03 Dec 2004
Posts: 123
Location: Russia, Penza
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 Posted: Tue Nov 22, 2005 10:49 am Post subject: apache 1.3 and logrotate issues(apache restart fails) |
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Folks, i searched the forum for some time and didn't find an answer on what may be causing apache 1.3 fail to restart during logrotating. Well, actually i found a couple of threads on the same problem with logrotate and apache 2 but still no solution or maybe i just didn't get it 
Basically, here's what happens. Every night all apache logs are logrotated, once a week or even more often apache fails to restart for some reason... Here's the /etc/logrotate.conf snippet which is responsible for apache logs rotating and restarting:
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#apache logs
/var/log/apache/*_log {
daily
rotate 13
olddir /var/log/apache/old
sharedscripts
postrotate
/etc/init.d/apache restart > /dev/null
endscript
}
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I also have monit monitoring apache running status and for some reason it fails to restart apache as well once logrotate chokes Here's the /etc/monitrc excerpt:
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# Apache
check process apache with pidfile /var/run/apache.pid
start program = "/etc/init.d/apache start"
stop program = "/etc/init.d/apache stop"
if failed port 80 protocol http with timeout 15 seconds
then restart
if failed port 443 with timeout 15 seconds
then restart
if cpu is greater than 60% for 2 cycles then alert
if cpu > 80% for 5 cycles then restart
if children > 250 then restart
if loadavg(5min) greater than 10 for 8 cycles then restart
group www
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Any ideas on what maybe causing this?
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Last edited by pachanga on Tue Nov 22, 2005 1:08 pm; edited 1 time in total |
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Quincy
Apprentice
Joined: 02 Jun 2005
Posts: 203
Location: Germany
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| Posted: Tue Nov 22, 2005 1:03 pm Post subject: |
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Perhaps a timing problem? I had similar problems while doing "apachectl graceful": Output said that the reload was OK, but the process was gone...
Changed logrotate to "copytruncate" and didn't restart apache at all to get around this problem.... |
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pachanga
Tux's lil' helper
Joined: 03 Dec 2004
Posts: 123
Location: Russia, Penza
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| Posted: Tue Nov 22, 2005 1:07 pm Post subject: |
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| Quincy wrote: | Perhaps a timing problem? I had similar problems while doing "apachectl graceful": Output said that the reload was OK, but the process was gone...
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I don't really know...
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Changed logrotate to "copytruncate" and didn't restart apache at all to get around this problem.... |
Thanks a lot, at least it sounds as a good workaround. Still it's interesting to know what's the original root of the problem...
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tuxmin
l33t
Joined: 24 Apr 2004
Posts: 838
Location: Heidelberg
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| Posted: Tue Nov 22, 2005 2:09 pm Post subject: |
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Most probably a timing problem if you habe lots of open connections.
Why don't you try "apachectl reload" instead? This way there won't be any downtime but apache would reopen it's logs.
Hth, Alex!!!
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pachanga
Tux's lil' helper
Joined: 03 Dec 2004
Posts: 123
Location: Russia, Penza
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| Posted: Tue Nov 22, 2005 2:30 pm Post subject: |
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| tuxmin wrote: | Most probably a timing problem if you habe lots of open connections.
Why don't you try "apachectl reload" instead? This way there won't be any downtime but apache would reopen it's logs.
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Well, i thought using /etc/init.d/apache script was the cleanest way... Btw, /etc/init.d/apache reload != apachectl reload, right?
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tuxmin
l33t
Joined: 24 Apr 2004
Posts: 838
Location: Heidelberg
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| Posted: Tue Nov 22, 2005 2:38 pm Post subject: |
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I'm not sure -- have a look at the script. Maybe it simply calls apachectl.
But I made a typo: use "apachectl restart". Although it's named restart it really does a reload. Unless apache is not running, then it performs a start.
Hth, Alex!!!
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pachanga
Tux's lil' helper
Joined: 03 Dec 2004
Posts: 123
Location: Russia, Penza
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| Posted: Wed Nov 23, 2005 7:52 am Post subject: |
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| tuxmin wrote: | I'm not sure -- have a look at the script. Maybe it simply calls apachectl.
But I made a typo: use "apachectl restart". Although it's named restart it really does a reload. Unless apache is not running, then it performs a start.
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Thanks, still i'll stick to "copytruncate" as being the most reliable solution....
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tuxmin
l33t
Joined: 24 Apr 2004
Posts: 838
Location: Heidelberg
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| Posted: Wed Nov 23, 2005 8:12 am Post subject: |
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Beware that you probably lose some lines of your your log files when using copytruncate, especially on high traffic.
Alex!!!
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pachanga
Tux's lil' helper
Joined: 03 Dec 2004
Posts: 123
Location: Russia, Penza
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| Posted: Wed Nov 23, 2005 8:44 am Post subject: |
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| tuxmin wrote: | Beware that you probably lose some lines of your your log files when using copytruncate, especially on high traffic.
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Yep, i'm aware of the possible log data loss, but it can't be compared to the web server downtime in my case.... Once i'm more familiar with apache restart tricks i'll give it a try again...
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