RE: [jffnms-users] Slow down - then crash

[Mario . Spendier]

Title: Message

Hi Nick!   You are running about 560 interfaces. Quit a lot for such a machine. We are polling 818 interfaces on 183 hosts. The most important factor is the main memory of the machine. Our memory usage is about 1,8 GByte. Look at your box and you will see, that the memory usage exceeds your physical memory and this makes the machine quite slow. So upgrade your server immediatly! Memory of about 2G and more and dual, ... cpu machine i would recommend.   As i think you are running the database server also on this box. To speed up the speed of the database server, i would recommend to reconfigure the database configuration file! This takes also much more main memory but speed up the database queries.   Additional the poller process in such a large network takes more than ten minutes, which is the standard setting for polling interval, so more polling processes are running at the same time and the memory usage grows again. It has no sense to decrease this interval setting because the graphing is based on this interval so your alternative is to increase the amount of physical memory.   Time outs can not be set.   good luck!   mario -----Original Message----- From: Nick Knight [mailto:[EMAIL PROTECTED] Sent: Montag, 15. M�rz 2004 10:20 To: [EMAIL PROTECTED] Subject: [jffnms-users] Slow down - then crash Hello all,   I have a situation where my box which monitors 28 hosts, no auto discovery, they all monitor about 20 interfaces each. It has reached a point where the poller.php takes so long the next one runs and mysql stops allowing connections.   I have run poller.php manually to find out how long it takes, and it is exhibiting strange behaviour.   1/ I am getting a load of php warning about mysql duplicate functions   2/ It flies through a lot of the polling but after a small period of time it REALLY slows down, and starts taking about 10S for each interface, this doesn't appear correct.   So a couple of questions,   1/ How many hosts/interfaces can a good speced server handle (2Ghz 512MB Ram) NB most hosts are across a WAN   2/ What may be responsible for the slow down? A specific host, - can time-outs be set?   Thanks   Nick   BTW great piece of software.