Four ways to combat non actionable alerts
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Many alerts place an unnecessary burden on Ops teams instead of helping them solve issues. This presentation describes the phenomenon and four ways to address it.
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Four ways to combat non actionable alerts
- 1. Four Ways to Combat Non-Actionable Alerts Eyal Efroni Application Team Leader @ BigPanda http://bigpanda.io
- 2. Many alerts place an unnecessary burden on Ops teams instead of helping them solve issues
- 3. The main problem is that most alerts are not actionable enough
- 4. They point to issues that don’t require a response They lack critical information, forcing you to spend time searching for more insights in order to gauge their urgency
- 5. An excess of non-actionable alerts creates “alert fatigue”, wasting time and resources and interfering with the real issues at hand
- 6. This might already be happening to you:
- 7. Do you receive redundant alerts and: Immediately ignore them? Realize they aren’t relevant to you? Perform the same routine actions for obtaining the actual information you need?
- 8. If you’ve answered yes, Than this presentation is for you
- 9. Four Common types of Non-Actionable Alerts
- 10. 1. Unhelpful titles The problem: One of the most important parts of the alert is its title, as it is the first thing you see. Cryptic titles force the responders to dig unnecessarily through the body of the alert for more info. Extra frustration occurs when different alerts share similar titles, causing great confusion and wasting time.
- 11. 1. Unhelpful titles Example: You receive an alert titled “CPU LOAD 1.80″ followed by another alert titled “CPU LOAD 1.90”. Are these alerts even referring to the same server? Is a 1.80 load critical? What is affected by this problem? Wouldn’t it been great if the alert provided answers rather than adding more questions?
- 12. 1. Unhelpful titles Making it actionable: All alerts should have short yet descriptive titles. They should enable the responder, at a glance, to know what the problem is, where it is, and how to address it. For example: “Server billing-1 load is critical for 5 min” is much more actionable than “CPU LOAD 1.80”.
- 13. 2. Lack of vital information The Problem: Alert content is often limited or cryptic, forcing us to spend a lot of cycles understanding the meaning of the alert and searching for more information in order to gain insight. Somewhere within my Nagios, Graphite, Pingdom, or New Relic, there is relevant information to be found, but instead of solving the issue a significant portion of my valuable time is spent on such searches.
- 14. 2. Lack of vital information Example: When addressing an alert about a server overload, almost always the same set of tasks are performed. These include connecting to the server to check for current load or analyzing trends in the CPU graph. Moreover, the next time a similar alert happens, you’ll be performing these same steps over and over.
- 15. 2. Lack of vital information Making it actionable: Identify alerts that require repetitive and predictable searches for more information Automatically bundle that information as part of the alert. list actions that need to be performed or a link to relevant resources such as scripts, protocols or the developer’s insight into why this might happen
- 16. 3. Alerts that don’t require resolution The Problem: Production environments are complex and dynamic. To maintain reliability, vital system information must be accessible to Ops and Developers. Our instinct tells us that this can only be accomplished by being notified of every alert and exception. In reality, however, the large majority of these alerts don’t require an action and end up drowning out the ones who do.
- 17. 3. Alerts that don’t require resolution Example: An alert could’ve been sent to indicate that a user entered an invalid credit card number. While this information may be very interesting, we do not have any control over the user’s actions and can therefore do nothing about it. Getting this alert will only add additional noise.
- 18. 3. Alerts that don’t require resolution Making it actionable: If the alert doesn’t lead to an immediate action on your part, don’t send it. Instead, find the issues which will require your attention. For example, replace the invalid credit card alert with an actionable alert which specifies that the rate of checkouts has dropped dramatically — maybe a change was made and a rollback action is required. Another solution can be a daily / weekly report which aggregates and visualizes the information that isn’t required in real-time. This way, the desired information will be available at the right time.
- 19. 4. Alert routing The Problem: In many organizations, everyone receives all the alerts. This type of practice is usually initiated when teams are small and everyone is involved in everything. However, as teams scale and people begin to specialize, the “loudspeaker” approach to alerting quickly becomes a drag.
- 20. 4. Alert routing Example: Sending alerts regarding connection issues with your 3rd party billing provider to your DBA team won’t help resolve the alert and will probably be ignored.
- 21. 4. Alert routing Making it actionable: Send alerts only to people who are relevant to that alert. Obviously, this is easier said than done, as many alerts can be caused by several different sources. In such cases, creating more specific alerts for each source will provide the necessary granularity to make better routing decisions.
- 22. Conclusion Making alerts more actionable can significantly ease your pain and improve the day to day work. Simple changes, can have a dramatic impact.
- 23. Conclusion Actionable alerts can become irrelevant very quickly. Have a culture of ongoing improvement to your alerts Make a habit of periodically reviewing them and removing the non-actionable ones.