NRPE way too fragile ?

[Guillaume Rousse]

Hello list.

I'm using nrpe quite heavily for testing lots of local service on all my 
machines. It work usually well, but seems a bit unreliable: too much 
often, nrpe itself fails to accept incoming connections, and test fails:
CHECK_NRPE: Socket timeout after 10 seconds.

stracing nrpe process shows it is probably waiting itself on another 
connection:
[root at denfert ~]# strace -p 22444
Process 22444 attached - interrupt to quit
select(6, [5], NULL, [5], {0, 170000})  = 0 (Timeout)
accept(5, 0, NULL)                      = -1 EAGAIN (Resource 
temporarily unavailable)

It usually recovers itself alone, but that's enough to cause much 
unwanted notifications, even if all monitored services have nrpe itself 
as dependency. I'm using ssl encryption, as usually advised, but I'm 
planning shifting to plain-text connection (everything occurs on a 
distinc VLAN, without user access).

Does everyone else has similar experience ?
-- 
Guillaume Rousse
Moyens Informatiques - INRIA Futurs
Tel: 01 69 35 69 62

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