Increase the efficiency of passive checks

[Jason Martin]

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A named pipe doesn't have a 'size' per se, it is a 0-width file. However I 
think you could use something like 'sweeper' (on the nagios extras page) 
to queue up the data for that socket so that Nagios will read larger 
chunks of it at a time.

- -Jason Martin

On Fri, 9 Apr 2004 
Andrew_Hoying at blm.gov wrote:

> 
> 
> 
> 
> Hello,
> 
> I'm currently running a Nagios server which is processing a little over
> 2000 passive checks every 10 minutes. I know the server has the memory and
> processing power to handle that many checks in half that time, however the
> bottle neck seems to be the size of the named pipe file and the speed at
> which it is read. I have Nagios set to check the file every second, which
> works fine, and it processes around 5 passive checks a second, however the
> server Nagios is running on is still only using around 4% of it's
> processing power and it's disk access is nominal. What can I do to increase
> the size of the named pipe, or move to shared memory, a Unix socket, or
> some other method of accepting passive checks that would speed it up
> without significantly rewriting Nagios? Does anyone have a patch for 1.2
> that would solve this problem? Is 2.0 significantly better in this regard?
> 
> Thank you,
> Andrew
> 
> 
> 
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