bongoDev

Loading...

Empowering technology learners worldwide with professional online live trainings. Transform your IT career with expert-led courses.

Facebook Instagram LinkedIn Github

Company

About Us
Careers
Blog
Events

Legal

Privacy Policy
Refund Policy
Terms and Conditions

Contact us

[email protected]
01757258398 01978367094 01576641348
01757258398

Our office

Flat 5/A, Shimanto Plaza, Plot #26/D, Main Road-03, Section #11, Mirpur, Dhaka 1216

© 2026 bongoDev. All rights reserved. | ই-ট্রেড লাইসেন্স: TRADEDNCC/015304/2024

Courses Job Success

Blog Events Free Assessment Login

bongoDev | Advanced PromQL: absent, offsets, subqueries & Time Semantics - Prometheus & Grafana Pro

TopicPrometheus & Grafana Pro

01Observability & Metrics Mental ModelPreview
02Prometheus Data Model, Metric Types, Labels & Naming
03Prometheus Architecture: Pull Model, TSDB & Ecosystem
04Install Prometheus & Build the First Scrape
05Scrape Configuration, Targets, Service Discovery & Relabeling
06Application Instrumentation & Metric Design
07Exporters & Node Exporter for Infrastructure Metrics
08Blackbox Exporter & Synthetic Monitoring
09Pushgateway, Batch Jobs & Push-vs-Pull Decisions
10PromQL Foundations: Selectors, Matchers, Instant & Range Vectors
11PromQL Counters: rate, increase, irate & Counter Resets
12PromQL Gauges, State Changes & Capacity Queries
13PromQL Aggregation, Operators & Top-K Analysis
14PromQL Vector Matching & Joins
15Histograms, Summaries, Quantiles & Native Histograms
16Advanced PromQL: absent, offsets, subqueries & Time Semantics
17Recording Rules: Precompute Expensive & Repeated Queries
18Prometheus Alerting Rules: Symptoms, for, Labels & Annotations
19Alertmanager: Grouping, Routing, Deduplication, Silences & Inhibition
20Rule Validation & Unit Testing with promtool
21Prometheus TSDB: WAL, Blocks, Retention & Compaction
22Remote Write, Federation & Long-Term Metrics Architectures
23OpenTelemetry, Grafana Alloy & Prometheus Interoperability
24High Availability for Prometheus & Alertmanager
25Kubernetes Monitoring with Prometheus Operator
26Kubernetes Metrics: kube-state-metrics, cAdvisor, Node & Workloads
27Grafana Architecture, Data Sources & Explore
28Grafana Dashboards, Panels, Units & Transformations
29Grafana Variables, Annotations & Reusable Dashboard Design
30Grafana Alerting vs Prometheus-Native Alerting
31Grafana Provisioning & Observability as Code
32RED, USE & Golden Signals for Production Dashboards
33SLIs, SLOs, Error Budgets & Burn-Rate Alerting
34Cardinality, Query Performance & Cost Engineering
35Security & Production Hardening for Prometheus and Grafana
36Prometheus & Grafana Debugging Playbook
37Prometheus, Alertmanager & Grafana Command / Query Playbook
38Prometheus & Grafana Pro Cheatsheet

Englishবাংলা

Knowledge Hub/Prometheus & Grafana Pro/Advanced PromQL: absent, offsets, subqueries & Time Semantics

Prometheus & Grafana Pro

Paid lesson · Advanced · 34 min read

Advanced PromQL: absent, offsets, subqueries & Time Semantics

Use absent checks, offsets, subqueries, comparison modifiers and time-aware functions for real incident analysis.

This lesson is locked

This lesson is part of the paid course.

View free previews

PreviousHistograms, Summaries, Quantiles & Native HistogramsLocked NextRecording Rules: Precompute Expensive & Repeated QueriesLocked

Discount price

৳ 320.00৳ 120.00Save ৳ 200.00