Re: Measuring MySQL resources consumption on Linux

[kyle]

in reply to Measuring MySQL resources consumption on Linux

#
# calculate the average, avoiding any division by zero traps
#
my $avg_cpu_load = $total_cpu_load ? $total_cpu_load / $active_pid_num
+ : 0 ;

I'd think if you want to avoid division by zero, you'd need to check the denominator for zero-ness rather than the numerator. That is:

my $avg_cpu_load = $active_pid_num ? $total_cpu_load / $active_pid_num
+ : 0;

Or am I misunderstanding something here?

[Anonymous Monk]

if there is a tee in my.cnf, demo mysql tee = mysql.log mysql -u read -pread -N -e 'show variables like "pid_file"' get: Logging to file 'mysql.log' pid_file /path/to/var/mysql.pid mysqlresources buddy read the first line set pid_file="to" reply to: [e-mail]

[NodeReaper]

This node was taken out by the NodeReaper on Nov 25, 2009 at 19:34 UTC
Reason: [kyle]: reap spam

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