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Category: Log, Monitor & Tracing

[Prometheus] filter or allowlist metrics before sending to the remote storage via remote_write in Prometheus

Posted on September 14, 2023 By nim No Comments on [Prometheus] filter or allowlist metrics before sending to the remote storage via remote_write in Prometheus
[Prometheus] filter or allowlist metrics before sending to the remote storage via remote_write in Prometheus

There are a few options to filter or allowlist metrics before they are sent to the remote storage via remote_write in Prometheus: 1. Use metric relabeling You can configure relabelling rules on the remote_write config to filter or transform metrics before they are sent. For example: This would only keep metrics matching the regex ^my_metric_.*…

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Prometheus

How to join labels of 2 different metrics on PromQL

Posted on September 8, 2023 By nim No Comments on How to join labels of 2 different metrics on PromQL
How to join labels of 2 different metrics on PromQL

Look into the situation Đầu tiên chúng ta có 2 metric labels như sau: Metrics and Labels: Look into kube_pod_container_info metrics. With kube_pod_container_info Look into windows_container_cpu_usage_seconds_kernelmode windows_container_cpu_usage_seconds_kernelmode thì có container_id, nhưng lại không có namespace, pod, container==> Bằng mắt: thì chúng ta không thể nào nhận biết được CPU usage này của container nào. Từ…

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Prometheus

[Kubernetes] Monitor Persistent Volume usage in Kubernetes using Prometheus

Posted on August 7, 2023August 9, 2023 By nim No Comments on [Kubernetes] Monitor Persistent Volume usage in Kubernetes using Prometheus
[Kubernetes] Monitor Persistent Volume usage in Kubernetes using Prometheus

Hôm nay thì mình muốn monitor usage của pv https://github.com/antonputra/tutorials/tree/main/lessons/134 What is the kubelet Yes, I know about the kubelet in Kubernetes (k8s). The kubelet is the primary “node agent” that runs on each node in a Kubernetes cluster. It can register the node with the apiserver using one of several methods: the hostname, a…

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Prometheus

[Grafana] How to publish Grafana Dashboard for the community.

Posted on July 12, 2023 By nim No Comments on [Grafana] How to publish Grafana Dashboard for the community.
[Grafana] How to publish Grafana Dashboard for the community.

https://community.grafana.com/t/trying-to-share-dashboard-with-community-gives-404-error-how-to-share/72790/11và chúng ta sẽ phải chờ 24h thì mới sem được online nhé!

Grafana

[Monitoring] How to monitor EBS on AWS via Prometheus

Posted on July 11, 2023July 18, 2023 By nim No Comments on [Monitoring] How to monitor EBS on AWS via Prometheus
[Monitoring] How to monitor EBS on AWS via Prometheus

Như các bạn cũng đã biết thì Prometheus không thể collect trực tiếp metrics của Cloudwatch. Mình sẽ cài 1 thằng là cloudwatch-exporter để collect metrics.Bạn có thể sử dụng bài viết bên dưới Look into the helpful metrics. Bài này mình sẽ tập trung nhiều vào việc là tìm ra các metrics có ích…

Read More “[Monitoring] How to monitor EBS on AWS via Prometheus” »

AWS - Amazon Web Service, Prometheus

[coralogix/OpenTelemetry] Monitor Your K8s by Coralogix and OpenTelemetry Collector.

Posted on May 24, 2023July 19, 2023 By nim No Comments on [coralogix/OpenTelemetry] Monitor Your K8s by Coralogix and OpenTelemetry Collector.
[coralogix/OpenTelemetry] Monitor Your K8s by Coralogix and OpenTelemetry Collector.

Đầu tiên bạn cần đăng ký tài khoản trên web của coralogix.và sẽ không được dùng gmail nhé https://dashboard.eu2.coralogix.com/#/signup 1) Install Coralogix Agent Thật ra thì thanh niên này độ lại agent của open telemetry collector REPO URL: https://cgx.jfrog.io/artifactory/coralogix-charts-virtual CHART: otel-infrastructure-collector:0.1.2 2)Config the Open Telemetry collector to get metrics from Prometheus Receiver. Bạn có thể…

Read More “[coralogix/OpenTelemetry] Monitor Your K8s by Coralogix and OpenTelemetry Collector.” »

Log, Monitor & Tracing

[OpenTelemetry/Jaeger] Install Opentelemetry and Jaeger to receive and analyze the tracing data

Posted on May 20, 2023May 20, 2023 By nim No Comments on [OpenTelemetry/Jaeger] Install Opentelemetry and Jaeger to receive and analyze the tracing data
[OpenTelemetry/Jaeger] Install Opentelemetry and Jaeger to receive and analyze the tracing data

Tracing là hệ thống khá quan trọng khi bạn xây dụng các mô hình micro service.Bạn sẽ biết service nào của bạn chậm, function nào tốn nhiều thời gian. 1) Install Jaeger Tracing. Repo URL: https://jaegertracing.github.io/helm-chartsCHART: jaeger:0.69.1 Bạn sẽ chú ý đến 2 deployment quan trọng: 1.1) Jaeger UI Đây là nơi mà bạn có…

Read More “[OpenTelemetry/Jaeger] Install Opentelemetry and Jaeger to receive and analyze the tracing data” »

Log, Monitor & Tracing

[Monitoring] Understand percentiles in monitoring.

Posted on May 4, 2023 By nim No Comments on [Monitoring] Understand percentiles in monitoring.
[Monitoring] Understand percentiles in monitoring.

Trong ngữ cảnh giám sát và theo dõi (monitoring), p99 và p95 thường đề cập đến các giá trị phân vị (percentiles) trong phân phối dữ liệu. P99 và P95 là những chỉ số giúp đánh giá hiệu suất của một hệ thống. Chúng được dùng để xem xét độ trễ (thời gian phản hồi)…

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Grafana, Log, Monitor & Tracing

[Fluent Bit / Datadog] How does Fluent bit collect logs and send them to multiple backend.

Posted on April 24, 2023April 25, 2023 By nim No Comments on [Fluent Bit / Datadog] How does Fluent bit collect logs and send them to multiple backend.
[Fluent Bit / Datadog] How does Fluent bit collect logs and send them to multiple backend.

1) look into Fluent Bit. Đầu tiên chúng ta tìm hiểu về fluent bit. Bạn có thể coi video này để hiểu một chút về fluent Bit. Fluent Bit được việt bằng C nên là nó rất nhẹ. 1.1) Fluent Bit’s configuration file trong 1 main configuration file thì gồm 1 sections. Chúng ta sẽ…

Read More “[Fluent Bit / Datadog] How does Fluent bit collect logs and send them to multiple backend.” »

Fluent

[DataDog] How does DataDog collect metrics from the Prometheus exporter endpoint

Posted on April 5, 2023July 10, 2023 By nim No Comments on [DataDog] How does DataDog collect metrics from the Prometheus exporter endpoint
[DataDog] How does DataDog collect metrics from the Prometheus exporter endpoint

1) Introduce the design architecture Mô hình bạn có thể thấy như hình bên dưới. Thì mình dùng datadog agent trên k8s để collect metrics của cloudwatchNhưng mà datadog agent không để đọc trực tiếp vào Cloudwatch nên mình sẽ sử dụng 1 opensource của prometheus là prometheus cloudwatch exporter để get metrics từ cloud…

Read More “[DataDog] How does DataDog collect metrics from the Prometheus exporter endpoint” »

DataDog, Prometheus

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