Nagios stopped working : process running, no errors, but nothing in the web server

[Jim Avery]

2009/3/17 Toussaint OTTAVI <t.ottavi at medi.fr>:

> Then, I'll investigate further how NDO and MySQL work... And, maybe, I'll
> offer a new server with decent performance to my Nagios (in replacement of
> the good old hp Proliant of 8 years old...)

Marc DeTrano from Gridshield recently contributed an excellent
solution to the slow startup problem which I summarised like so:

    I simply added a file "nagios.cnf"
    under /etc/mysql/conf.d like so:

     [mysqld]
     innodb_flush_log_at_trx_commit = 2

    and it reduced my Nagios startup time from more than 3 minutes to only
    30 seconds!

Note that this change can mean you might lose a second or two of data
in the event of a database crash, but for me that's no problem.

A few other solutions have been discussed in this email list recently
including adding indexes and limiting the amount of data held.  It
would probably benefit you to do a search for MySQL in the email list
archives.

Cheers,

Jim

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