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Questions tagged [riemann]

Riemann is a network event stream processing system written in Clojure.

Riemann is a network event stream processing system written in Clojure.

Webpage: https://riemann.io/

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How to configure riemann with opentsdb

I am a newbie to Riemann and while watching monitoroma videos about riemann, I came to understand that this tool is a wonderful tool for monitoring servers and creating events as well as alerts. Already I am using opentsdb time series database in my…
Mohammed
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Riemann aggerate some last 10 minutes event and alert error. Which use moving-time-window

For example, If we want to send the mean data of last 10 minutes alert freezhan if the mean of metric is more than 1000, I express the idea in riemann like this: (streams (moving-time-window 600 ; 600 sec = 10 min (folds/mean (where…
free斩
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Riemann to Influx timestamp

I use an erlang-riemann client 'katja' to send events to riemann0.2.10 which in turn forwards it to influxdb0.9.5. When I send time in epoch upto the precision of a second(10 digits), it works fine. However, I need the timestamp to be more…
Shubham Shamanyu
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How to pass event to riemann using different port

I am trying to load my Logstash event to Riemann. when I am using the default setup(default port 5555/5556). Events are getting passed to Riemann without any issues. When I try to run the Riemann using custom port, the events are not getting passed…
Mangoski
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Riemann to InfluxDB event drop

I have a simple setup which uses filebeat and topbeat to forward data to Logstash, which further forwards it to Riemann, which in turn sends it to InfluxDB 0.9. I use Logstash to split an event into multiple events, all of which show up on Riemann…
Shubham Shamanyu
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Declare string variable in riemann config file

I am newbie and facing a very strange issue. I did a lot of search but could not find solution to it. I am actually trying to define a string variable in my riemann config file. I am using syntax as given below (streams (def mystr "system manager…
Tahir Rauf
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Custom email subject and body in riemann

I am using email alert in riemann. I have hardecoded the value for :subject and `:body'. I am facing some issue in this. I pasted my riemann code and the error I got below. I don't know how to resolve this. (let [email (mailer {:host…
Mangoski
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Different versions of node for dependencies

I have a problem where the overall app is running in node12. But one of the dependencies have some issues with this version and need <=node11. Is there a way to specify a different node version for the dependency alone. (The referred module here is…
randomness
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Event count at certain time interval in riemann

I have to check the number of count appearing in an event at each interval of every 30 seconds. If the count is greater than 5 means, I need to trigger an email. I am using the below code, but email didn't get triggered. (let [userindex1 (default…
Mangoski
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How can I use clj-http in riemann.config

I use riemann and now I write my riemann.config. I want to use clj-http post all events from riemann stream to my web server. But I don't know how to import clj-http from riemann.jar. I code (:use clj-http.client) or (:require [clj-http.client :as…
keroro520
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Riemann - trigger resolve based on metric threshold

I am trying to set up an alert in riemann (through pagerduty) based on a threshold for a metric. If the threshold is breached the alert should be triggered, if the metric goes back within the threshold the alert should be resolved. My steps are: 1)…
Sathya
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Riemann Dashboard not outputting internal Riemann metrics

I'm new to Riemann and also new to ruby and Clojure as well. I'm trying to output the internal riemann events via (streams prn) in my riemann.config file. I currently see messages being printed out in the terminal from where I launched…
pyCthon
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Couldn't start riemann.bin?

I just untarred the rieman 0.2.5 tarball and ran the bin/riemann etc/riemann.config Ruby version: ruby 1.8.5 (2006-08-25) [x86_64-linux] Java version "1.6.0_11" Red Hat Enterprise Linux Client release 5.3 (Tikanga) and I get the following…
Siddharth Trikha
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limit to infinity of Left Riemann Sum MATLAB

Lets say I have created a function Sn=LeftRiemannSum(f,left,right,N) ,that computes the left riemann sum over the interval left to right with N subdomains.i.e.: Sn=sum(f(xi)h) for all subdomains i=0 to N-1. f is my function and xi=left+ih , so the…
Stelina Tzafi
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How to send file to riemann server?

I have setup riemann server, now I want to send log file to riemann server. How can i do that? I did not find any helpful material from internet.
Muneeb Nasir
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