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How to build a PromQL (Prometheus Query Language)

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This episode will explain how to build a Promql.
What you are going to learn out of this episode.
- Introduction on the various data types of Prometheus
- The various format of data types to store metrics in Prometheus
- The various way to filter data
- The various operators
- A small tutorial on various queries
Links:
- Tutorial: github.com/isI...
- Blogpost : isitobservable...
Timestamps
00:19 - Introduction
02:39 - Type of Prometheus metric
09:04 - Prometheus data type
23:36 - Operators
25:53 - Tutorial

Опубликовано:

25 авг 2024

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Комментарии : 63

@naveedausaf3332 2 месяца назад

I must say this is the best tutorial on PromQL I have come across yet! You provide a schema for PromQL that allows me to make sense of the PromQL docs which do such a poor job of explaining the different types of vectors and how that relates to the different types of metrics and functions. Thanks for the brilliant video!

@cramhead Год назад

Your video was way more approachable than the PromQL docs. Thanks so much for sharing your knowledge and insights.

@isitobservable Год назад

Thanks for you feedback

@kaal970 2 месяца назад

the best best thing you told in the end...promlense

@guilhermehubner1991 2 года назад

Really nice video!! I am finally feeling more confident about promQL! Keep the nice job!

@isitobservable 2 года назад

Glad I could help!

@inikotoran 2 месяца назад

I am having a headache because of PromQL but this tutorial really helps! 🙌😄

@vynguyenhoang5604 Год назад

Thank you for a video with a very detail explanation!

@GustavoRodrigues-le3zw 2 года назад

Incredible content quality! You will grow a lot! Thanks for the content!!

@isitobservable 2 года назад

Thanks for your feedback. Let me know if there are any topics that i should cover.

@um4r_arf 6 месяцев назад

thanks after many vids i found a useful one

@rshahdelhi 3 месяца назад

Very nice tutorial

@riskofrains 7 месяцев назад

Thanks for this lesson!

@rajeevkumar-pc4ne Год назад

it is ice breaker video. thanka lot sir..

@debasisnath9860 Год назад

Great! Perfect description of concepts ✨✨✨✨✨✨

@isitobservable Год назад

Thank you! 😃

@alanmangroo3656 11 месяцев назад

Great video, very well explained.

@z1lv1n4s Год назад

Love your video. One note though - check how gauge is pronounced ;)

@Faqarina Год назад

the random explosion lol

@Trojaner 2 года назад

Thank you, helped me a lot learning Prometheus

@isitobservable 2 года назад

Glad I could help!

@sunhsiang6644 Год назад

Thanks

@stephaniesilva1939 Год назад

Thank you so much! I love your contents!

@isitobservable Год назад

Glad you like them!

@sunnynew100 2 года назад

Very nice video. Looking forward to more such content

@isitobservable 2 года назад

Thank you, I will produce more content. let me know if there are topics that could help ;-)

@mauridocarmo7167 2 года назад

Awesome video. I've learned a lot.

@isitobservable 2 года назад

Glad you enjoyed it!

@sumanreddyk7284 Год назад

Excellent Work! I was searching for this level of PromQL information on RU-vid. When you get a chance, could you share your knowledge on grafana dashboard creation using json.

@isitobservable Год назад

Thanks for you feedback.I'm adding this topic in my backlog.

@egidfertal8240 2 года назад

thank you very much :) this video was were usefull for me :)

@isitobservable 2 года назад

Glad it helped!

@vg3348 2 года назад

thank you for the video. very informative.

@isitobservable 2 года назад

Glad it was helpful!

@annapureddyravi4054 2 года назад

Excellent demo..thank you so much

@isitobservable 2 года назад

Glad you liked it!

@weilunyi 2 года назад

thanks, your video help me a lot.

@isitobservable 2 года назад

Glad to hear that!

@eyuandedenchennel7681 2 года назад

Awesome vedio thanks a lot!!

@isitobservable 2 года назад

Glad you liked it!

@jacoduplessis8167 Год назад

Great video thanks

@isitobservable Год назад

Glad you enjoyed it

@Chrizz604 2 года назад

Is it not possible to run "rate" on the response of a "delta"? We collect all the metrics in a summery value so I do have to use "delta" so I can see the change of the value, however I don't really know how I can run multiple functions on it.. e.g "rate(delta(api_dispatches{}[25s][1m]))" does not return anything

@isitobservable 2 года назад

Hi Chrizz, Very good questions. I could use several functions but in your case rate( delta i'm not sure it would work. rate only works with counters. delta is not returning counters. i guess you would need to do delta ( rate (...) instead.

@olivierboisse1678 Год назад

20:53 Why is it forbidden to label filter with an empty string ? I tried prometheus_http_requests_total{unknownLabel=""} and it seems to be working

@isitobservable Год назад

Hi Olivier, it was initially a recommendation from the community. It seems that it is now tolerated...but you will need to filter out your metrics having empty label , or set a default value on your exporter.

@vissu403 2 года назад

Really Nice video

@isitobservable 2 года назад

Thanks

@haralc Год назад

The content I'm expecting on a video with a title starting with "How to ..." is with computer screen and step by step tutorial. Not a commentary style like those RU-vidrs who cannot do benchmark on the new hardware they were sent.

@isitobservable Год назад

Hi , Thanks for your feedback. I'm always trying to provide tutorial with the episode. Let me know how i could improve the tutorial. Thx

@tshepo2japhta28 2 года назад

❤Thanks man

@isitobservable 2 года назад

Welcome 😊. Let me know if you should cover more topics related to grafana .

@yotammedini509 2 года назад

Nice. It would be helpful to see how such labels can pushed via Python client calling prometheus_client.push_to_gateway(...)

@isitobservable 2 года назад

Hi, Are your trying the find the impact of using a large number of labels within a metric? If so we could try to design a "load test" doing this and measure the impact ( in terms of memory).

@ziaurrehman4738 2 года назад

Did you create blog post to capture all these concepts and examples?

@isitobservable 2 года назад

Hi , Here is the blog version on this episode : isitobservable.io/observability/prometheus/how-to-build-a-promql-prometheus-query-language

@u.hemanthkumargowd826 2 года назад

can you show me hot to do run prometheus query using terminal

@isitobservable 2 года назад

First of all thanks for the idea, i will try to create a short video on this. FYI there is a small project that will help you achieve this : github.com/nalbury/promql-cli

@haralc Год назад

I don't understand PromQL. After watching this video, I still don't understand PromQL ...

@isitobservable Год назад

Sorry to hear that. what are you trying to achieve ?

@garypaduana62 4 месяца назад

I tried, but I just can't follow along with the accent. Closed captioning was getting a lot of it wrong too. Sorry

@josephmbimbi 2 года назад

Tbh, from your explanations alone, i had a hard time understanding the difference between instant vector, range vector, the rate function. As there are lots of positive comments and review, i guess some ways of explaning are not suitable for everyone.

@isitobservable 2 года назад

Thanks for your feedback. i will work soon on the blog version of the episodes. so i will try to improve the explanation.