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Blog

Stories, guides, and lessons from the world of observability

Last9 Named a Gartner® Cool Vendor in AI for SRE and Observability

Last9 Named a Gartner® Cool Vendor in AI for SRE and Observability

Gartner recognizes Last9 in their latest Cool Vendor report for unified telemetry and agentic SDK—moving teams from reactive monitoring to proactive ops.

Nishant Modak

Nishant Modak

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An isometric line drawing of a computer memory module marked with the Dynatrace logo, cabled to three coin stacks that rise in height from left to right, with only the top coin of the tallest stack lit in lime, standing for a monitoring bill that grows with host memory

Dynatrace Pricing Explained (2026): Rates, DPS and Real Costs

Dynatrace pricing explained: DPS annual commits, the hourly rate card for hosts, pods, logs and RUM, why memory drives Full-Stack cost, and a worked bill.

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Sejal Pandey

Sejal Pandey

Eight isometric instrument modules in two rows, each with a vendor logo on its front face: Datadog, Grafana, New Relic, Dynatrace, Honeycomb, Last9, Coralogix and SigNoz, with only the Last9 module raised and its screen glowing lime

Best Observability Tools in 2026: 8 Platforms Compared

A practical comparison of the best observability tools in 2026: Last9, Datadog, Grafana Cloud, New Relic, Dynatrace, Honeycomb, Coralogix and SigNoz.

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Sejal Pandey

Sejal Pandey

An isometric line drawing: one dashboard card with a lime sparkline, marked ×50 into a grid of twenty cards, then ×4 into a Grafana-branded paper receipt with a glowing lime total.

Grafana Cloud Pricing Explained (2026): What Teams Pay

Grafana Cloud pricing broken down: free tier limits, Pro rates for metrics, logs and traces, how active series and DPM are billed, and worked cost examples.

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Sejal Pandey

Sejal Pandey

An isometric agent console wired to three tool devices, with only one cable and one tool glowing lime as the active call

AI Agent Observability: What to Trace and What It Catches

AI agent observability means tracing tool calls, reasoning steps, and handoffs, not just tokens and latency. Here's what to instrument and why.

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Sejal Pandey

Sejal Pandey

A row of isometric Puma worker blocks, one glowing lime with all its threads busy and requests queued beside it

Rails Performance Monitoring: What to Watch and Why It Slows Down

How to monitor a Rails application in production: reading Puma's stats endpoint, spotting GC pressure, and finding the query that's actually slow.

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Sejal Pandey

Sejal Pandey

Four isometric automation units joined by a cable, one glowing lime to mark the job that was picked

SRE Automation Tools: What to Automate and Which Tools Help

SRE automation covers four different jobs: runbook automation, self-healing infrastructure, drift detection, and resilience testing.

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Sejal Pandey

Sejal Pandey

A row of PHP-FPM worker slots with one overloaded and requests queuing behind it

PHP Performance Monitoring: What to Watch and Why It Slows Down

How to monitor a PHP application in production: reading the PHP-FPM status page, checking OPcache health, and finding the request that is actually slow.

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Sejal Pandey

Sejal Pandey

An isometric line drawing: three needle meters are cabled into a central switchboard console whose grid of indicator lights has exactly one lamp lit, standing for many scattered signals correlated down to a single answer

What Is AIOps? Definition, How It Works, and Real Examples

AIOps explained in plain terms: what it means, how it differs from AI-SRE and MLOps, how it detects problems, and whether a small team needs it.

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Sejal Pandey

Sejal Pandey

Eight low isometric consoles in two rows, each with an AI observability vendor logo and a trace waterfall screen: Langfuse, LangSmith, Helicone, Arize Phoenix, Datadog, Last9, Braintrust and W&B Weave, with only the Last9 console raised and its screen glowing lime

Best AI Observability Tools in 2026: 8 Tools Compared

Eight LLM and AI agent observability platforms compared: what each tracks, pricing and free tiers, self-hosting options, and who each is built for.

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Sejal Pandey

Sejal Pandey