After adding more instrumentation, including Apache2 processes, Apache2 CPU and a questionable MySQL CPU graph, the first spike of the last half day occurred and there is correlation between the load spikes and sudden increase in Apache2 processes:
But is is not clear what the cause is since there is no strong correlation to users, guests or bot activity. But there is some potential correlation to bot activity:
Which brings me back, full circle, suspecting rogue bot activity, again.... let's see what happens during the next spike.
we have an unix system which has
load average normally about 20.
but while i am running a particular unix batch which performs heavy
operations on filesystem and database average load
reduces to 15.
how can we explain this situation?
while running that batch idle cpu time is about %60-65... (0 Replies)
Hello all, I have a question about load averages.
I've read the man pages for the uptime and w command for two or three different flavors of Unix (Red Hat, Tru64, Solaris). All of them agree that in the output of the 2 aforementioned commands, you are given the load average for the box, but... (3 Replies)
Hello, Here is the output of top command. My understanding here is,
the load average 0.03 in last 1 min, 0.02 is in last 5 min, 0.00 is in last 15 min.
By seeing this load average, When can we say that, the system load averge is too high?
When can we say that, load average is medium/low??... (8 Replies)
Hi,
i have installed solaris 10 on t-5120 sparc enterprise.
I am little surprised to see load average of 2 or around on this OS.
when checked with ps command following process is using highest CPU. looks like it is running for long time and does not want to stop, but I do not know... (5 Replies)
Hello AlL,..
I want from experts to help me as my load average is increased and i dont know where is the problem !!
this is my top result :
root@a4s # top
top - 11:30:38 up 40 min, 1 user, load average: 3.06, 2.49, 4.66
Mem: 8168788k total, 2889596k used, 5279192k free, 47792k... (3 Replies)
Hi ,
I am using 48 CPU sunOS server at my work.
The application has facility to check the current load average before starting a new process to control the load.
Right now it is configured as 48. So it does mean that each CPU can take maximum one proces and no processe is waiting.
... (2 Replies)
Hi,
I am getting a high load average, around 7, once an hour. It last for about 4 minutes and makes things fairly unusable for this time.
How do I find out what is using this. Looking at top the only thing running at the time is md5sum.
I have looked at the crontab and there is nothing... (10 Replies)
Here we go....
Preface:
..... so in a galaxy far, far, far away from commercial, data sharing corporations.....
For this project, I used the ESP-WROOM-32 as an MQTT (publish / subscribe) client which receives Linux server "load averages" as messages published as MQTT pub/sub messages.... (6 Replies)
Discussion started by: Neo
6 Replies
LEARN ABOUT OSX
apache2::build
Apache2::Build(3) User Contributed Perl Documentation Apache2::Build(3)NAME
Apache2::Build - Methods for locating and parsing bits of Apache source code
SYNOPSIS
use Apache2::Build ();
my $build = Apache2::Build->new;
# rebuild mod_perl with build opts from the previous build
% cd modperl-2.0
% perl -MApache2::Build -e rebuild
DESCRIPTION
This module provides methods for locating and parsing bits of Apache source code.
Since mod_perl remembers what build options were used to build it, you can use this knowledge to rebuild it using the same options. Simply
chdir to the mod_perl source directory and run:
% cd modperl-2.0
% perl -MApache2::Build -e rebuild
If you want to rebuild not yet installed, but already built mod_perl, run from its root directory:
% perl -Ilib -MApache2::Build -e rebuild
METHODS
new Create an object blessed into the Apache2::Build class.
my $build = Apache2::Build->new;
dir Top level directory where source files are located.
my $dir = $build->dir;
-d $dir or die "can't stat $dir $!
";
find
Searches for apache source directories, return a list of those found.
Example:
for my $dir ($build->find) {
my $yn = prompt "Configure with $dir ?", "y";
...
}
inc Print include paths for MakeMaker's INC argument to "WriteMakefile".
Example:
use ExtUtils::MakeMaker;
use Apache2::Build ();
WriteMakefile(
'NAME' => 'Apache2::Module',
'VERSION' => '0.01',
'INC' => Apache2::Build->new->inc,
);
module_magic_number
Return the MODULE_MAGIC_NUMBER defined in the apache source.
Example:
my $mmn = $build->module_magic_number;
httpd_version
Return the server version.
Example:
my $v = $build->httpd_version;
otherldflags
Return other ld flags for MakeMaker's dynamic_lib argument to "WriteMakefile". This might be needed on systems like AIX that need
special flags to the linker to be able to reference mod_perl or httpd symbols.
Example:
use ExtUtils::MakeMaker;
use Apache2::Build ();
WriteMakefile(
'NAME' => 'Apache2::Module',
'VERSION' => '0.01',
'INC' => Apache2::Build->new->inc,
'dynamic_lib' => {
'OTHERLDFLAGS' => Apache2::Build->new->otherldflags,
},
);
AUTHOR
Doug MacEachern
perl v5.16.2 2011-12-25 Apache2::Build(3)