Questions tagged [sre]
For questions about Site Reliability Engineering (=SRE).
23
questions
0
votes
1answer
30 views
Is cross-region Kubernetes a thing, and if so, what role does VPN place in this context?
Given you are going to overcome risks of a whole cloud region going offline, you would implement some cross-site distribution mechanisms.
In terms of Kubernetes, cluster communication would happen ...
2
votes
0answers
36 views
Grafana K8s microservices availability dashboard based on actuator uptime
I need to create a dashboard that is using micrometer prometheus spring actuator endpoint to show all services for a given namespaces in green boxes or red boxes depending on status, the boxes should ...
0
votes
0answers
11 views
Getting the count of datapoints for a metric in cloudwatch
I'm trying to get the count of how many requests were under N latency. Filtering out the correct latency can be easily done with an if expression IF(m1 >= 200, m1). This expression will generate a ...
3
votes
1answer
802 views
Prometheus Alertamanger - how to silence all alerts for a given period during a maintenance?
A work scenario that I can't cover currently is that I want to set a maintenance mode, meaning all alerts received from Prometheus to be ignored, I want to be able to set it through the UI for a given ...
6
votes
3answers
330 views
What is a reasonable level of coding expertise expected of an SRE?
SREs and coding is a contentious topic. In most situations, SREs end up spending a lot of time on operational tasks, even while being efficiency and automation focused. This means that SREs don't ...
1
vote
0answers
23 views
SRE main activities in practice [closed]
I read from SRE books that Site Reliability Engineer main activities are:
reducing toil and implement automated tasks;
define and implement SLIs and SLOs for the services;
implement monitoring ...
0
votes
2answers
34 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 ...
0
votes
2answers
187 views
is there a standard or common approach to defining Service Level Indicators?
I've come to the point where I am starting to adopt principles from Site Reliability Engineering to operate Cloud Native applications in a modern way.
From my reading to date, I have established that ...
6
votes
1answer
2k views
How to calculate burn rate for SLOs?
I've read the Google SRE book a few times but I need some clarifications on exactly how to set up the burn rate and understanding how long it'll take to trigger an alert.
Most of my questions are ...
11
votes
3answers
1k views
Is scrum or kanban really useful for SRE teams?
Agile practices like scrum and kanban were primarily designed for software development.
Interrupt and unplanned work is a significant component of what most SRE (Site Reliability Engineering) or ...
2
votes
1answer
141 views
What are best practices for setting SLOs for a new service?
I am guiding teams setting SLOs for their services and a question came up about setting SLOs for services that are still in design.
Are there standards for setting SLOs for services that don't exist ...
0
votes
1answer
109 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 ...
3
votes
4answers
385 views
How can I convince someone that 100% reliability is not the right target for anything?
It's a fundamental principle of DevOps and SRE that failure is normal and setting a goal of perfect reliability is misguided. But sometimes IT execs and business leaders push back on the idea. They ...
2
votes
1answer
251 views
SRE Role at Google [closed]
I want to work at Google some day.
What are the tools an SRE should really know before applying at Google?
What are the things to expect on an SRE interview?
System Design knowledge is required?
Do I ...
-1
votes
1answer
67 views
How do you write an SLO for a service when higher reliability is needed only during special events? [closed]
Special events such as BFCM (Black Friday / Cyber Monday).
7
votes
5answers
443 views
What is the future of DevOps in the age of serverless?
My senior recently argued that DevOps related roles such as DevOps Engineer, SRE, etc, will be less relevant once serverless matures. He pointed me to Containers won the battle, but will lose the war ...
9
votes
2answers
134 views
Datapoints motivating introduction of SRE in organisation
As there is no Site Reliability Engineering dedicated stackexchange, I found this to be closes one.
There are multiple great resources to use as inspiration for slidedeck about SRE principles [SRE ...
8
votes
3answers
3k views
DevOps vs SRE vs Production Support Engineers
DevOps primarily focuses on Delivery Speed and SRE focuses on Reliability in production but where does Production Support Engineers fit who also focuses on production monitoring, alerting, performance,...
2
votes
1answer
249 views
Who is responsible for running and maintaining shared services in DevOps
As a member of a small agile development team developing an application heavily relying on Kafka I wonder what implications the DevOps paradigm of You build it, you run it has regarding running and ...
6
votes
1answer
287 views
Implications of introducing Docker to the development team
We always tend to have a moral implications of certain critical decisions taken for development irrespective of the realisation if the decision is critical or not. Say for example switching an entire ...
15
votes
1answer
901 views
What is the difference between the traditional Development and Operations Model and Site Reliability Engineering?
"SRE is what happens when you ask a software engineer to design an operations team." – Site Reliability Engineering
Since Google's Site Reliability Engineering Book was released, on more than one ...
18
votes
4answers
1k views
What processes or tools enable Segregation of Duties when engineers both deploy and run code?
In highly regulated environments, such as the Financial Services sector, Segregation of Duties is an essential mechanism for avoiding collision amongst individuals with development responsibilities ...
62
votes
4answers
8k views
What is the difference between SRE and DevOps?
What is the difference between SRE and DevOps?
Site Reliability Engineering and Development Operations seem to overlap a lot in detail. How do I know which group is responsible for what, and how do I ...
