[check_postgres] Embedded Perl problem: "Subroutine ndie redefined"

[Cédric Villemain]

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Jeff Frost a écrit :
> Greg Sabino Mullane wrote:
>>> If I disable the embedded Perl interpreter (enable_embedded_perl=0), it
>>> works perfectly, but I understand there's a performance hit.
>>>
>>> Are you aware of this? Is there a better solution?
>>>     
>> Someone had a similar problem some time ago, and the answer was to NOT
>> use the symlink trick, but make use of the --action tag instead and call
>> the same script each time. Other than that, I don't know, maybe someone
>> else on the list does.
>>
>> All in all, I wouldn't be too concerned about the performance hit:
>> unless there is a great number of machines and/or you run a very
>> underpowered Nagios box, it should not be much of an issue.
>>
>>   
> It can be a problem if you have lots of service checks, but actually,
> it's sort of the reverse of what you'd expect.  The embedded perl
> interpreter is helpful if most of your check scripts are perl scripts,
> but if you use check_nrpe and the other binary check commands, you'll
> find that enabling the embedded perl interpreter causes more memory
> usage in each of the nagios threads, but it only helps you in a small
> percentage of the checks.  We're currently working through some issues
> with a nagios server that checks about 3300 services on almost 400
> hosts.  Enabling the perl interpreter causes the fork failures we're
> seeing to happen more regularly.  So, your mileage may vary, but if
> you're only running a few perl scripts, you might consider leaving it off.
> 
> That said, it has worked for me in the past using the --action tag.

I don't understand the benefit to use embeded perl *and* symlink together, it is
far better to use --action.
I'm running check_postgres with nagios3 on debian lenny, with emebed perl.

> 
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Cédric Villemain
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