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Category: Log, Monitor & Tracing

[Coralogix] DataPrime Query on Coralogix

Posted on October 17, 2025March 13, 2026 By nim No Comments on [Coralogix] DataPrime Query on Coralogix
[Coralogix] DataPrime Query on Coralogix

Mình ví dụ bạn có log như sau dưới dạng Json Bạn muốn lấy total Scan time để vẽ chart. Đây lấy được Patent Query đâu tiên bạn có thể hỏi AI có sẵn trong Coralogix trước nhé. Nó sẽ gợi ý như sau Bạn có thể kiểm tra nó có match với log của…

Read More “[Coralogix] DataPrime Query on Coralogix” »

Log, Monitor & Tracing

[Grafana] Build a P99 chart using Prometheus and Grafana.

Posted on July 31, 2025July 31, 2025 By nim No Comments on [Grafana] Build a P99 chart using Prometheus and Grafana.
[Grafana] Build a P99 chart using Prometheus and Grafana.

Chắc hạn đã nghe đâu đó hoặc đã view 1 số chart p99, p98, p95,…Vậy bạn có thắc mắc chúng ta gì không?Tại sao nó lại qua trọng đối với hầu hết sản phẩm Chúng ta cùng nhau đến với 1 ví dụ: Visual example of P99 latency Hãy tưởng tượng bạn đang xếp hàng…

Read More “[Grafana] Build a P99 chart using Prometheus and Grafana.” »

Grafana, Prometheus

[Grafana] Easily install Grafana on Kubernetes using a Helm chart.

Posted on December 30, 2024January 2, 2025 By nim No Comments on [Grafana] Easily install Grafana on Kubernetes using a Helm chart.
[Grafana] Easily install Grafana on Kubernetes using a Helm chart.

1) Install Grafana using Helm chart. ở bài này mình xin hướng dẫn cài bạn cài grafana trên k8s bằng helm chart: Chúng ta cần chú ý value 1 chút:Mình cần tạo ingress cho grafana luôn nên mình sẽ cần update values of helm install 1 chút với helm values trên thì nó tự động…

Read More “[Grafana] Easily install Grafana on Kubernetes using a Helm chart.” »

Coding, Grafana

[Prometheus – Grafana – Monitoring] Look into rate and irate, min, max, average and latest over a specific time.

Posted on August 14, 2024December 3, 2024 By nim No Comments on [Prometheus – Grafana – Monitoring] Look into rate and irate, min, max, average and latest over a specific time.
[Prometheus – Grafana – Monitoring] Look into rate and irate, min, max, average and latest over a specific time.

Hiện tại mình gặp 1 tình huống: Mặc dù deploymnet đó mình đã tắt rồi nhưng chart vẫn hiện thị kết quả. Vậy tại sao chart kia vẫn hiển thị số? và theo 1 kết luận thì chart đang lấy latest value and not according to follow the time range. Mình chợt nghĩ ra sử…

Read More “[Prometheus – Grafana – Monitoring] Look into rate and irate, min, max, average and latest over a specific time.” »

Prometheus

[Grafana] Draw table visualization in Grafana

Posted on April 9, 2024November 15, 2024 By nim No Comments on [Grafana] Draw table visualization in Grafana
[Grafana] Draw table visualization in Grafana

Bạn sẽ tạo visualization: CHọn table Chúng ta có 4 metrics sau: Bạn cần điền thêm metrics và chọn Format: Table, Type: Instantvà add các metrics khác tương tự, Bạn chuyển qua tab Transform. Chúng ta cần combine metrics lại như sau:Metrics 1: thì lấy label node, self1, value will be Value #AMetrics 2: thì…

Read More “[Grafana] Draw table visualization in Grafana” »

Prometheus

[Grafana] Design Uptime based on Status History – Visualizations on Grafana

Posted on January 7, 2024January 14, 2025 By nim No Comments on [Grafana] Design Uptime based on Status History – Visualizations on Grafana
[Grafana] Design Uptime based on Status History – Visualizations on Grafana

Bạn có một metrics up{label=”xxx”} = 1 thì sẽ là Up https://grafana.com/docs/grafana/latest/panels-visualizations/configure-value-mappings/ https://grafana.com/docs/grafana/latest/panels-visualizations/visualizations/status-history/ Ngoài ra bạn cũng có thể vẽ được chart percent dửa trên metrics uptime 0/1 Với metrics uptime của Uptime Kuma thì mình gặp lỗi bên dưới: Too many points to visualize properly.Update the query to return fewer points.(1441 points received) Nếu bạn…

Read More “[Grafana] Design Uptime based on Status History – Visualizations on Grafana” »

Grafana, Prometheus

[Vector by DataDog] Use Vector to parse and convert logs to anything.

Posted on December 14, 2023September 3, 2025 By nim No Comments on [Vector by DataDog] Use Vector to parse and convert logs to anything.
[Vector by DataDog] Use Vector to parse and convert logs to anything.

1) Overview of the situation. Tình huống là như sau:Bạn có 1 đoạn log trên hệ thông như sau: Manager talk that: Em dùng kĩ năng của một devops vẽ cho anh 1 chart time_ms của 1 application và em có thể lấy thông tin log trên. Sau khi dùng hết kĩ năng để search…

Read More “[Vector by DataDog] Use Vector to parse and convert logs to anything.” »

Log, Monitor & Tracing, Uncategorized

[Coralogix] Filter or Custom log when using Coralogix.

Posted on December 8, 2023December 12, 2023 By nim No Comments on [Coralogix] Filter or Custom log when using Coralogix.
[Coralogix] Filter or Custom log when using Coralogix.

trường hợp là như thế này. team bạn push log lên coralogix. trong body nó có 1 trường là time_ms = xxxTeam muốn nhờ devops based on that value để vẽ lên one graph trong coralogix có 1 tính năng là Log Parsing Rules Bạn có thể tách nó ra thành 1 field. Bạn sẽ…

Read More “[Coralogix] Filter or Custom log when using Coralogix.” »

Log, Monitor & Tracing

[Monitoring] Understanding Different Types of Metrics in Monitoring Systems: Gauge, Counter, Histogram, and Summary

Posted on December 6, 2023 By nim No Comments on [Monitoring] Understanding Different Types of Metrics in Monitoring Systems: Gauge, Counter, Histogram, and Summary
[Monitoring] Understanding Different Types of Metrics in Monitoring Systems: Gauge, Counter, Histogram, and Summary

In monitoring and observability systems, there are several types of metrics, each serving a specific purpose in data representation and analysis: Each of these metric types offers different insights and is suitable for different monitoring scenarios. The choice of which metric type to use depends on the specific data and what you want to learn…

Read More “[Monitoring] Understanding Different Types of Metrics in Monitoring Systems: Gauge, Counter, Histogram, and Summary” »

Log, Monitor & Tracing

[Golang/Elasticsearch] How to send data or anything to Elasticsearch by Golang

Posted on October 17, 2023October 17, 2023 By nim No Comments on [Golang/Elasticsearch] How to send data or anything to Elasticsearch by Golang
[Golang/Elasticsearch] How to send data or anything to Elasticsearch by Golang

Chúng ta cùng nhau sử dụng golang to send data vào elasticsearch. Install Go Elasticsearch Library You can install the Go Elasticsearch library using go get: Create Go Code Here is a Go code snippet that demonstrates how to create an index in Elasticsearch: Nếu bạn muốn xem mappingJSON là cái j? Apply Singleton with…

Read More “[Golang/Elasticsearch] How to send data or anything to Elasticsearch by Golang” »

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