LinuxQuestions.org - does logrotate set size to 1048576 bytes by default if no size is specified?

Hi Folks,

I'm running the stock Apache 2 that comes with CentOS 5.1 and quite puzzled with the behavior of logrotate in rotating the httpd logs. I'm still using the default configs for both apache and logrotate. My problem is that the apache logs (/var/log/httpd/*log) gets rotated based on file size of 1MB but I can't seem to find where this is set.

As I mentioned above, all the config are as is since I havent touch them at all. The logrotate config for httpd doesnt specify how often the rotation will be done nor does it mentioned abt the size:

Code:

# cat /etc/logrotate.d/httpd 

/var/log/httpd/*log {

    missingok

    notifempty

    sharedscripts

    postrotate

        /sbin/service httpd reload > /dev/null 2>/dev/null || true

    endscript

}

so I assume it will be rotated on a weekly basis according to the system-wide logrotate config below:

Code:

# cat /etc/logrotate.conf 

# see "man logrotate" for details

# rotate log files weekly

weekly



# keep 4 weeks worth of backlogs

rotate 4



# create new (empty) log files after rotating old ones

create



# uncomment this if you want your log files compressed

#compress



# RPM packages drop log rotation information into this directory

include /etc/logrotate.d



# no packages own wtmp -- we'll rotate them here

/var/log/wtmp {

    monthly

    minsize 1M

    create 0664 root utmp

    rotate 1

}



# system-specific logs may be also be configured here.

but strangely, the /var/log/httpd/*log gets rotated based on size instead (check out the line the said rotating pattern: /var/log/httpd/*log 1048576 bytes:

Code:

]# /usr/sbin/logrotate -d /etc/logrotate.d/httpd 

reading config file /etc/logrotate.d/httpd

reading config info for /var/log/httpd/*log 



Handling 1 logs



rotating pattern: /var/log/httpd/*log  1048576 bytes (no old logs will be kept)

empty log files are not rotated, old logs are removed

considering log /var/log/httpd/access_log

  log needs rotating

considering log /var/log/httpd/error_log

  log needs rotating

rotating log /var/log/httpd/access_log, log->rotateCount is 0

renaming /var/log/httpd/access_log.1 to /var/log/httpd/access_log.2 (rotatecount 1, logstart 1, i 1), 

renaming /var/log/httpd/access_log.0 to /var/log/httpd/access_log.1 (rotatecount 1, logstart 1, i 0), 

rotating log /var/log/httpd/error_log, log->rotateCount is 0

renaming /var/log/httpd/error_log.1 to /var/log/httpd/error_log.2 (rotatecount 1, logstart 1, i 1), 

renaming /var/log/httpd/error_log.0 to /var/log/httpd/error_log.1 (rotatecount 1, logstart 1, i 0), 

renaming /var/log/httpd/access_log to /var/log/httpd/access_log.1

disposeName will be /var/log/httpd/access_log.1

renaming /var/log/httpd/error_log to /var/log/httpd/error_log.1

disposeName will be /var/log/httpd/error_log.1

running postrotate script

running script with arg /var/log/httpd/*log : "

        /bin/kill -HUP `cat /var/run/httpd.pid 2>/dev/null` 2> /dev/null || true

"

removing old log /var/log/httpd/access_log.1

removing old log /var/log/httpd/error_log.1

The size limit for httpd is not set at all:

Code:

# grep size /etc/logrotate.d/*?

/etc/logrotate.d/acpid:    size=64k

/etc/logrotate.d/conman:  size=5M

/etc/logrotate.d/yum:    size 30k

Can anyone running CentOS confirm this behavior? Any explaination on this?

Thanks!