Spikekill 1.0 - Released

Post by **TheWitness** » Sun Mar 01, 2009 5:33 pm

All,

It's been a while since there was a good spike killer for Cacti. Attached please find my latest work. It is a much more advanced Spike Killer than Alice's. It uses my own design to ferret out the Spikes from an RRDfile and remove them.

There are several options. So make sure you goto Settings->Misc and check them out. It uses one of two methods to remove spikes. There is Standard Deviation and Variance.

The Standard Deviation removes anything that is over X Standard Deviations above or below the Average. The Variance, will take away X outliers both above and below the average and then remove anything that is greater than X% above the Variance Average.

You have the ability to replace the Spike Value with either an NaN or the Average of that RRA period. You also have the ability to perform Dryrun's before you actually execute the Spike Removal. Please do so in order to "tweak" the install before running it.

The command also works from the command line and equally works even if you don't have Cacti!!!

I am looking for specific feedback on this feature and look forward to that.

Regards,

TheWitness

Findarato · Post by **Findarato** » Tue Mar 31, 2009 9:36 am

Disregard. I found the problem and fixed it. It works great now

bigear · Post by **bigear** » Thu Apr 02, 2009 2:17 pm

I have added spikekill folder to my plugins and I also added $plugins[] = 'spikekill'; to my global.php.

Problem I am having is I couldn't find any sign of spikekill anywhere, not user management and Settings->Misc.

I did installed monitor plugin and it did shows up on the tab and Settings->Misc.

I am using cacti 0.8.7c and cacti-plugin-0.8.7c-PA-v2.3.

Your help is appreciated.

Post by **TheWitness** » Fri Apr 03, 2009 7:31 am

This is a PIA 2.x plugin. It is installed from Plugin Management not from the global.php file.

----[ Installation

Install just like any other 2.x plugin, just throw it in the plugin directory,
in the spikekill folder and then 'Install' and 'Enable' it. Don't remember to give yourself
permission to use it.

Remember RIF!

TheWitness

bigear · Post by **bigear** » Fri Apr 03, 2009 7:14 pm

Thanks. I sucessfully installed spikekill from plugin management.

One of the issue I have encountered is rrd is not writable by this account.

Do you think it might have to do with rra owner is cacti and database user name is cacti user.

Your feedback is appreciated.

Post by **TheWitness** » Sat Apr 04, 2009 8:01 am

This plugin requires your web server account to have write access to the rrds.

TheWitness

bigear · Post by **bigear** » Mon Apr 06, 2009 5:24 pm

Thanks for your help!! It works great!!

toe_cutter · Post by **toe_cutter** » Wed May 27, 2009 2:58 am

Uhm, couldnt get version 1.1 to work for some reason.
The rrd in question has write access from all users. Hovered over the icon and chose all of the options from it, analyze found stuff but i couldnt understand anything of it (maybe just have: found 10 spikes above 10Mbit). Chosing Remove created an ajax popup much like the analyze one, but without the data in it.
Anyway, nothing happened to the graph :/

Code: Select all

05/27/2009 09:53:45 AM - WEBUI: Poller[0] NOTE: Removing Spikes for '/usr/local/share/cacti/rra/rostockholm1_traffic_in_2188.rrd', Method:'2'  
05/27/2009 09:53:45 AM - CMDPHP: Poller[0] /usr/local/bin/php -q /usr/local/share/cacti/plugins/spikekill/removespikes.php -R=/usr/local/share/cacti/rra/rostockholm1_traffic_in_2188.rrd -M=variance --html

Edit:
Sorry, last week at work, busybusytired. Its ofc on 0.8.7d of cacti and spine.

Post by **TheWitness** » Wed May 27, 2009 9:10 am

Run that same command from the command line.

Larry

toe_cutter · Post by **toe_cutter** » Wed May 27, 2009 11:00 am

TheWitness wrote:Run that same command from the command line.

Larry

Sorry, but i got rid of the spikes already, used the newer (2008) removespikes.pl script from the RRDtool website.
If we get any more spikes ill be sure to try Spikekill again.

Thanks anyway.

Jason.S · Post by **Jason.S** » Mon Jun 22, 2009 11:40 am

I installed via the plugin manager, but I see no way to run spikekill from the interface. I see the setting under Misc, so I know it is installed.

Post by **TheWitness** » Mon Jun 22, 2009 12:15 pm

You must grant yourself access to it and then you kill spikes directly from the Graphs tab.

TheWitness

Jason.S · Post by **Jason.S** » Mon Jun 22, 2009 4:03 pm

TheWitness wrote:This plugin requires your web server account to have write access to the rrds.

TheWitness

I am not sure what you mean by this. How would I go about setting it so I don't blow up my Cacti.

Post by **TheWitness** » Mon Jun 22, 2009 5:35 pm

chmod 777 /var/www/html/cacti/rra

mattl · Post by **mattl** » Thu Jul 09, 2009 9:13 am

I had an error when running spikekill 1.1. (README still shows 1.0)

Code: Select all

Fatal error: Allowed memory size of 33554432 bytes exhausted (tried to allocate 262144 bytes) in /var/www/cacti/plugins/spikekill/removespikes.php on line 267

I got the script to run by adding this line at the beginning of removespikes.php.

Code: Select all

ini_set("memory_limit","256M");

-------

Now, I'm killing spikes. But I have a new problem. On my traffic graphs, only the Outbound spikes are eliminated, the Inbound spikes remain.

An example below. In this graph, I expect incoming and outgoing traffic to be nearly symmetrical (voip traffic). And the original graphs reflect this. After spikekill, the Outbound spikes were reduced, but the corresponding Incoming spike remained.

Any tips?

Cacti

Spikekill 1.0 - Released

Spikekill 1.0 - Released

spikekill is not working.

Works!!

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