From: Andreas E. <ae...@op...> - 2006-05-26 08:29:26
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Goetz Rieger wrote: > Hi all, > > I need a longer maximum plugin output length in Nagios 2.3.1 because I > have a custom plugin which could possibly return quite a lot of data. > > In include/objects.h MAX_PLUGINOUTPUT_LENGTH is set to 332. > > So I have two questions: > > -Is that the correct define to alter the length of a plugin output read by > Nagios? > Yes. > -Is there any drawback when setting the value rather high, say 1000? > Possibly, but not necessarily. The maximum posix-guaranteed atomic write-size is 512 bytes. If you increase this number you *might* see plugin output getting mixed with output from other plugins. Also, if you do this on a large monitoring installation you will double the risk of filling up the FIFO nagios uses for receiving check-commands, which will cause a build-up of nagios processes that will eventually starve the system of memory. -- Andreas Ericsson and...@op... OP5 AB www.op5.se Tel: +46 8-230225 Fax: +46 8-230231 |