Questions tagged [monitoring]

For questions about observing, tracking, and recording activities or data to measure progress towards achieving objectives.

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21 views

How to get alert for LDAP issues

I want to run some script which checks for LDAP issue, and in case it found something, it sent me alert. I thought using ssh command with some generic user, but I'm not sure what is the response I'm ...
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1answer
20 views

SQS: What could high number of visible messages mean if messages received & deleted are normal?

I'm new to SQS. I recently noticed the ApproximateNumberOfMessagesVisible in my SQS queue started rising. What was interesting though is that there was no sudden surge in the number of messages ...
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1answer
19 views

Are there any tools to monitor custom console applications on Windows Server?

Are there any DevOps tools or known practices to monitor custom made console application on an on premises (Windows Server) environment? We developed an exe that needs to be continuously running, ...
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19 views

Alerting via Slack. Automatically close when “reverse” alert found

Let me explain with an example (contrived). Say I have a script that alerts via slack "Job foo1 started on serverA" and if it dies alerts "Job foo1 ended on serverA". Is there an existing or related ...
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17 views

How much is DevOps monitoring following SCADA - Supervisory Control and Data Acquisition?

While we setup monitoring for various parts of our DevOps toolchains (not just operations of deployed assets!), does this mean we build SCADA and might apply its principles? Or are there some ...
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1answer
19 views

Gather resource usage by process in a kubernetes cluster

I am searching for a tool similar to Prometheus + Grafana that gather and record resource usage especially memory usage by process-ID or process-name. We have two components that are running ...
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1answer
12 views

How to define Service Level Objectives without historical data?

Assuming I can define Service Level Indicators for a user journey are there any structured methods for setting a Service Level Objective within that SLA without any historical data to indicate what is ...
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1answer
27 views

How to get Docker Container stats using DataDog API?

I have a running DataDog-Agent on a Docker server. Is there a function in the DataDog API to get the stats of every single container, so I could print the stats to an external Webpage? Or is there ...
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2answers
103 views

How to get Memory Usage from Windows Server 2012 R2 in OpenStack

I have an Rocky OpenStack cluster, I want to monitor memory usage of instances. monitoring of Linux instances is OK but Windows Server instances do not provide any data for memory usage. I've ...
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2answers
94 views

What is alert fatigue?

Recently, we hear the term "alert fatigue" a lot. I have a few questions regarding this: where did this term come from? was it invented by a company like PagerDuty? what is alert fatigue actually?
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1answer
29 views

What considerations should be taken into account for a good log file format?

We have a practical question I struggle to answer : What is a good logfile schema? Here are the caveats: There are several workloads, each writing more than one log file Applications are on more ...
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1answer
26 views

Azure monitor and deployment slots

My question is actually quite simple: if I have a webapp with a deployment slot and a monitor that checks the health of webapp in some way (connections, cpu time or the like) , if I do a swap, what is ...
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2answers
56 views

What is the advantage of using Prometheus over ingesting metrics using logs?

I want to setup monitoring on our environment. I am wondering on what are the advantages of using something like Prometheus for making metrics vs. just using something like the ELK stack for creating ...
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1answer
26 views

How to scale the control plane of a service mesh?

Scalability in the data plane is easy to achieve by simply having more replicas. The configuration the proxies receive from the control plane makes that possible . However, if the number of services (...
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1answer
67 views

Reset time vs alerting window size in alerting strategies for SLOs

In https://landing.google.com/sre/workbook/chapters/alerting-on-slos/#pros_and_cons_of_alerting_based_on_burn_r I don't understand how the reset time can be 58 min when the alerting window size is one ...
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163 views

Kubernetes metric or command to show liveness delay time (app startup time)

HTTP Kubernetes liveness and readiness checks are configured as per the documentation. The initialDelaySeconds field tells the kubelet how long it should wait before performing the first liveness / ...
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1answer
46 views

How do you monitor and alert on thrashing containers?

Are there any proposed best practices for how to monitor for thrashing containers? We're in a situation where we have containers that might try to come up and will crash -> restart a few dozen times ...
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1answer
753 views

Why is Prometheus not a good choice for data with high cardinality?

I have a background in relational databases and new to Prometheus. I wonder why Prometheus is not a good choice for high cardinality data? Why do I need to use low cardinality data? It's exact ...
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1answer
59 views

What are the levels of monitoring and their importance?

We are going through a process of change in our IT Operations Management. One of the items we are trying to improve is our monitoring of our infrastructure. So far I've been thinking of only 3 levels ...
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0answers
16 views

What Monitoring Dashboards do exist with customizable actions like handles, levers and actionable buttons? [closed]

Are there DevOps web dashboards (open-source preferably) or dashboard frameworks that allow setting up custom buttons, levers which execute custom actions from browser? Think of "Plus" button which ...
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1answer
2k views

Prometheus alert CPUThrottlingHigh raised but monitoring does not show it

I have installed Prometheus to monitor my installation and it is frequently raising alerts about CPU throttling. The Prometheus alert rules to identify this alert is : alert: CPUThrottlingHigh expr: ...
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4answers
195 views

How do you monitor status of multiple docker containers?

My home server has about 15 distinct services running, each represented by a Docker container. Depending on how the developers implemented the Dockerfile, some services have health checks, but most do ...
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1answer
83 views

Specifying branch name for jenkins job through AnyStatus

I am wondering if anyone else has integrated before a parameterized Jenkins build with AnyStatus. When removing the parameter above, I am able to run builds using the branch specified previously from ...
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1answer
36 views

Is there any way to get New Relic or PagerDuty to not alert during nightly maintenance?

Initial Problem We have some badly behaved overnight maintenance jobs that cause alerts for AppDex and error rates for our apps. These are metrics that would be problematic if they happened during ...
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1answer
62 views

How to monitor a micro-service oriented solution?

I run a micro-service oriented system, running under a private network, composed mainly of: databases (clusters) internal API's external/public API's workers (services) monitoring servers All are ...
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1answer
683 views

How fast does Prometheus data grow?

This may sound like a vague question so I will provide some context below. The basic question is : What parameters describe the growth in size of a Prometheus database over time? To tie the question ...
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1answer
45 views

How to monitor a REST call response?

My project is using customer.io to send emails in different flows. Every now and then we have a bug, and one of those calls stops and email is not sent. I want to get alerted when an email is not ...
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1answer
73 views

What do you tell someone new to going oncall or PagerDutyl?

[[ Based on tags and the wording this sounds like a PagerDuty-specific question, but it could apply to any tech or monitoring stack in my mind.... PagerDuty is just so dominant in SF-based jobs I've ...
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3answers
552 views

How to monitor AWS S3 cross-region replication process?

Amazon S3 has a cross-region replication which will handle copy of new/updated objects to additional region. The problem is that solution does not provide visibility on state for replication process, ...
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1answer
203 views

tools to gather variant information from thousands of servers and update into database

Recently, I use ansible to gather information periodically from thousands of servers(which already installed collectd to gather CPU, memory, disks, netowrking info) in our company. For example: I ...
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2answers
136 views

How to monitor ELK Stack Load?

We have tried Prometheus and Grafana. Currently it is not set up on our cluster and we are tight with resources. What are the best ways to monitor load on an ELK stack? Is there anything built in?
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3answers
2k views

System monitoring and reporting with Jenkins

Are there any plugins that would enable me to distribute system monitoring and reporting via Jenkins, if I provided it with data in a required format. E.g. I would like to write a simple script that ...
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5answers
81 views

Health monitoring of web pages without using GET check

I am looking for a solution to monitor the health (DOWN or UP) of my web pages. Let's say I have three services, site.com/data site.com/user site.com/id Now, what I can do is that I can create a GET ...
4
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1answer
81 views

Infrastructure Stability Report

We are using Azure IAAS to host our applications, and these are hosted on a number of virtual machines for different tiers Our client have recently asked us to provide monthly report on the ...
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1answer
737 views

Open source microservice visualization

We run various microservices on rancher and kubernetes, and I am wondering if there are any open source projects that assist in visualizing network traffic between services to help detect dependencies....
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0answers
38 views

How can we monitor internal or external webservices? [closed]

We have Web Performance monitoring third party Tool. We are using New Relic. However, we are not able to monitor either Internal or External Web services. In an assumption, if the web service goes ...
1
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1answer
488 views

How effective is ELK than other Monitoring tools?

"ELK" is the acronym for three open source projects: Elasticsearch, Logstash, and Kibana. Elasticsearch is a search and analytics engine. Logstash is a server‑side data processing pipeline that ...
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2answers
75 views

Monitoring tool to microservices on Kubernetes

I'm deploying an instance with kubernetes on Azure public cloud, and I need a tool to monitor the microservices and pods inside this instance, the question is, what tool are you using to do that? I've ...
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0answers
21 views

What does applying maxSeries to a single metric mean? [closed]

As per the graphite documentation for maxSeries, Takes one metric or a wildcard seriesList. For each datapoint from each metric passed in, pick the maximum value and graph it. For multiple ...
2
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1answer
157 views

Monitoring immutable infrastructure virtual machines

Currently I am using the HashiCorp stack (Packer, Terraform) and Ansible, to generate Immutable Infrastructure and Infrastructure as Code. This builds a Virtual Machine from a base image, provisions ...
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1answer
53 views

Application monitoring in multiple EC2 instances

I am running 10 AWS EC2 instances. Each of them running different applications. I am looking for application level monitoring solution. Suppose, if Apache fails in any instance, it should notify me ...
2
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3answers
162 views

Automatic periodic conditional checks

I need a simple tool that will carry out some conditional checks periodically and give me a red/green status that I can use as an indication that something is wrong. These are examples of checks that ...
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4answers
129 views

Monitor program progress on multiple servers

We have three servers that are running python programs that are running data analysis tasks inside a tmux session. The method we are using at the moment is ssh'ing into each of them connecting the ...
5
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2answers
124 views

Trigger PagerDuty alert after a number of incidents

Is it possible to only have an alert triggered after a certain number of incidents from an integration? For example, if my application reports a single non-critical failure of a kind, that's worth-...
0
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1answer
216 views

OMD vs Ubuntu install issues

When installing OMD 1.3 on Ubuntu, I get the following output: dpkg: dependency problems prevent configuration of omd-1.31.20160708: omd-1.31.20160708 depends on libapache2-mod-proxy-html; however: ...
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4answers
517 views

monitoring/alerting system which can support very arbitrary data source and logic

I am looking for a monitoring/alerting tool/system which can support very arbitrary data source and logic. (following is a made up example to more easily demonstrate my needs) I have a database ...
4
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1answer
189 views

Is Serf an added value when a container orchestration platform like kubernetes is used?

When the Hashicorp's website was checked it seems that there is another tool, i.e. Serf. Back in the day there was another tool called otto, but that was deprecated at a certain moment. After reading ...
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1answer
874 views

Is there a standard way to check if a web API is alive?

As a developer, I have been involved in producing a number of assorted web-APIs, both for internal and public use. Is there a standard (or de facto) way of checking if a web API is up and running? (...
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1answer
860 views

Service check with api in Icinga2

I am trying to do add service of client using icinga2 api. I have followed https://github.com/saurabh-hirani/icinga2-api-examples. Here is what I have done so far. First I created zone and endpoint ...
4
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1answer
3k views

How to get EC2 instance tags when pulling CloudWatch data?

For monitoring purposes, we're pulling AWS/EC2 instances statistics data from CloudWatch and save it to InfluxDB. We're using Telegraf to do this. However, when pulling the data from Cloudwatch, ...