Amazon CloudWatch vs Nagios

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Amazon CloudWatch vs Nagios: What are the differences?

Developers describe Amazon CloudWatch as "Monitor AWS resources and custom metrics generated by your applications and services". With Amazon CloudWatch, you gain system-wide visibility into resource utilization, application performance, and operational health. Programmatically retrieve your monitoring data, view graphs, and set alarms to help you troubleshoot, spot trends, and take automated action based on the state of your cloud environment. On the other hand, Nagios is detailed as "Complete monitoring and alerting for servers, switches, applications, and services". Nagios is a host/service/network monitoring program written in C and released under the GNU General Public License.

Amazon CloudWatch and Nagios are primarily classified as "Cloud Monitoring" and "Monitoring" tools respectively.

Some of the features offered by Amazon CloudWatch are:

  • Basic Monitoring for Amazon EC2 instances: ten pre-selected metrics at five-minute frequency, free of charge.
  • Detailed Monitoring for Amazon EC2 instances: seven pre-selected metrics at one-minute frequency, for an additional charge.
  • Amazon EBS volumes: eight pre-selected metrics at five-minute frequency, free of charge.

On the other hand, Nagios provides the following key features:

  • Monitor your entire IT infrastructure
  • Spot problems before they occur
  • Know immediately when problems arise

"Monitor aws resources" is the primary reason why developers consider Amazon CloudWatch over the competitors, whereas "It just works" was stated as the key factor in picking Nagios.

Nagios is an open source tool with 60 GitHub stars and 36 GitHub forks. Here's a link to Nagios's open source repository on GitHub.

PedidosYa, Sellsuki, and eTobb are some of the popular companies that use Amazon CloudWatch, whereas Nagios is used by Twitch, Vine Labs, and PedidosYa. Amazon CloudWatch has a broader approval, being mentioned in 707 company stacks & 321 developers stacks; compared to Nagios, which is listed in 176 company stacks and 39 developer stacks.

- No public GitHub repository available -

What is Amazon CloudWatch?

It helps you gain system-wide visibility into resource utilization, application performance, and operational health. It retrieve your monitoring data, view graphs to help take automated action based on the state of your cloud environment.

What is Nagios?

Nagios is a host/service/network monitoring program written in C and released under the GNU General Public License.
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      What are some alternatives to Amazon CloudWatch and Nagios?
      Datadog
      Datadog is the leading service for cloud-scale monitoring. It is used by IT, operations, and development teams who build and operate applications that run on dynamic or hybrid cloud infrastructure. Start monitoring in minutes with Datadog!
      Splunk
      Splunk Inc. provides the leading platform for Operational Intelligence. Customers use Splunk to search, monitor, analyze and visualize machine data.
      New Relic
      New Relic is the all-in-one web application performance tool that lets you see performance from the end user experience, through servers, and down to the line of application code.
      Prometheus
      Prometheus is a systems and service monitoring system. It collects metrics from configured targets at given intervals, evaluates rule expressions, displays the results, and can trigger alerts if some condition is observed to be true.
      AWS CloudTrail
      With CloudTrail, you can get a history of AWS API calls for your account, including API calls made via the AWS Management Console, AWS SDKs, command line tools, and higher-level AWS services (such as AWS CloudFormation). The AWS API call history produced by CloudTrail enables security analysis, resource change tracking, and compliance auditing. The recorded information includes the identity of the API caller, the time of the API call, the source IP address of the API caller, the request parameters, and the response elements returned by the AWS service.
      See all alternatives
      Decisions about Amazon CloudWatch and Nagios
      Conor Myhrvold
      Conor Myhrvold
      Tech Brand Mgr, Office of CTO at Uber · | 10 upvotes · 552.2K views
      atUber TechnologiesUber Technologies
      Nagios
      Nagios
      Grafana
      Grafana
      Graphite
      Graphite
      Prometheus
      Prometheus

      Why we spent several years building an open source, large-scale metrics alerting system, M3, built for Prometheus:

      By late 2014, all services, infrastructure, and servers at Uber emitted metrics to a Graphite stack that stored them using the Whisper file format in a sharded Carbon cluster. We used Grafana for dashboarding and Nagios for alerting, issuing Graphite threshold checks via source-controlled scripts. While this worked for a while, expanding the Carbon cluster required a manual resharding process and, due to lack of replication, any single node’s disk failure caused permanent loss of its associated metrics. In short, this solution was not able to meet our needs as the company continued to grow.

      To ensure the scalability of Uber’s metrics backend, we decided to build out a system that provided fault tolerant metrics ingestion, storage, and querying as a managed platform...

      https://eng.uber.com/m3/

      (GitHub : https://github.com/m3db/m3)

      See more
      Interest over time
      Reviews of Amazon CloudWatch and Nagios
      No reviews found
      How developers use Amazon CloudWatch and Nagios
      Avatar of ShadowICT
      ShadowICT uses NagiosNagios

      We use Nagios to monitor our stack and alert us when problems arise. Nagios allows us to monitor every aspect of each of our servers such as running processes, CPU usage, disk usage, and more. This means that as soon as problems arise, we can detect them and call out an engineer to resolve the issues as soon as possible.

      Avatar of CloudRepo
      CloudRepo uses Amazon CloudWatchAmazon CloudWatch

      If you have a single server, checking log files is as easy as SSHing to it and viewing logs. When you move to the container world, with many servers, you need a place to aggregate and search through all of your logs. CloudWatch provides us with this and it was trivial to setup.

      Avatar of Analytical Informatics
      Analytical Informatics uses NagiosNagios

      We use Nagios to monitor customer instances of Bridge and proactively alert us about issues like queue sizes, downed services, errors in logs, etc.

      Avatar of Volkan Özçelik
      Volkan Özçelik uses Amazon CloudWatchAmazon CloudWatch

      CloudWatch is “on by default” in Amazon. And by just configuring a few alarms you can have a near-zero-cost monitoring service of your own.

      Avatar of Bùi Thanh
      Bùi Thanh uses Amazon CloudWatchAmazon CloudWatch
      • Collect metrics for Grafana.
      • Alerts for AutoScale.
      • Centralized-logging: rds, ec2, app logs with CloudWatch Log
      Avatar of Promethean TV
      Promethean TV uses Amazon CloudWatchAmazon CloudWatch

      CloudWatch is used to monitor various aspects of our production infrastructure deployed at Amazon.

      Avatar of OnlineCity
      OnlineCity uses NagiosNagios

      We use nagios based OpsView to monitor our server farm and keep everything running smoothly.

      Avatar of Banyan
      Banyan uses Amazon CloudWatchAmazon CloudWatch

      CloudWatch is used to monitor our servers on AWS including our EC2, RDS and ElastiCache.

      Avatar of Peter Degen-Portnoy
      Peter Degen-Portnoy uses NagiosNagios

      Monitor web servers, databases, utility servers

      Avatar of Veggie Sailor
      Veggie Sailor uses NagiosNagios

      For the monitoring full stack of the platform.

      How much does Amazon CloudWatch cost?
      How much does Nagios cost?
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