# QAN

Published articles for QAN.

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## What Is Running on My MongoDB Right Now? Real-Time Analytics in PMM

DevFeed: [What Is Running on My MongoDB Right Now? Real-Time Analytics in PMM](<https://devfeed.tech/articles/what-is-running-on-my-mongodb-right-now-real-time-analytics-in-pmm-66817.md>)

Original publisher: [Read original article](<https://www.percona.com/blog/what-is-running-on-my-mongodb-right-now-real-time-analytics-in-pmm/>)

Author: Tibor Korocz

Published: 2026-10-06T12:51:43Z

Content type: tutorial

Language: en

Sources: [Percona](<https://devfeed.tech/sources/blog-percona.md>)

Topics: [MongoDB](<https://devfeed.tech/topics/mongodb.md>), [Percona Software](<https://devfeed.tech/topics/percona-software.md>), [streaming data analytics](<https://devfeed.tech/topics/streaming-data-analytics.md>)

Tags: [aggregation](<https://devfeed.tech/tags/aggregation.md>), [database](<https://devfeed.tech/tags/database.md>), [mongodb](<https://devfeed.tech/tags/mongodb.md>), [monitoring](<https://devfeed.tech/tags/monitoring.md>), [percona-monitoring-and-management](<https://devfeed.tech/tags/percona-monitoring-and-management.md>), [pmm](<https://devfeed.tech/tags/pmm.md>), [qan](<https://devfeed.tech/tags/qan.md>), [queries](<https://devfeed.tech/tags/queries.md>), [real-time](<https://devfeed.tech/tags/real-time.md>), [real-time-analytics](<https://devfeed.tech/tags/real-time-analytics.md>), [rta](<https://devfeed.tech/tags/rta.md>)

### AI overview

The article explains Percona Monitoring and Management's Real-Time Query Analytics for MongoDB, which shows operations currently in flight and refreshes on a configurable interval. It describes how the feature gathers and retains snapshots, how to start and stop monitoring sessions, and how to inspect, filter, and export operation details. A lab example shows how it can help identify a long-running aggregation and its missing index.

### Source excerpt

The Problem The application is slow, the Slack channel is on fire, and somebody asks the oldest question in our job: What is running on the database right now? Query Analytics (QAN) in PMM is great for the history. It shows which queries used the most time in the last hour or the last 12 ... Continued The post What Is Running on My MongoDB Right Now? Real-Time Analytics in PMM appeared first on Percona.