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Database Monitoring

Optimize MongoDB Performance Across Workloads

Make data-driven decisions, optimize MongoDB performance, and ensure the security and resilience of your MongoDB environment.

Optimize MongoDB Performance Across Workloads
Challenges

MongoDB Database Monitoring

Query Planner Insights

Analyzes MongoDB query execution stages, index usage, and collection scans to identify inefficient document access patterns.

Connection Pool Load

Monitors client connections, cursor usage, and socket limits to detect connection saturation across MongoDB nodes.

Replica Set Stability

Tracks primary elections, replication lag, and oplog window size to identify replica set health risks.

Lock Contention Metrics

Observes global, database, and collection-level locks that impact concurrent read and write operations.

Memory Working Set

Measures working set size and cache residency to detect memory pressure affecting read performance.

Disk and Storage IO

Monitors WiredTiger disk usage, checkpoint frequency, and compaction impact on write latency.

Error and Warning Logs

Captures MongoDB logs related to replication failures, rollbacks, and storage engine errors.

Operational Throughput

Tracks read and write operation rates to understand workload distribution and peak usage periods.

Key metrics

What you can track.

Operation Throughput

Measures the number of operations (reads, writes, updates, and deletes) processed per second. Sudden drops or spikes may indicate workload imbalances or performance bottlenecks within your MongoDB cluster.

Query Execution Time

Tracks the time taken to execute database queries, focusing on slow queries. High execution times often point to inefficient query structures or missing indexes that impact application performance.

Replication Lag

Monitors the delay between the primary and secondary nodes in a MongoDB replica set. Significant lag can compromise data consistency and affect failover mechanisms in distributed systems.

Memory Usage (Resident Memory)

Measures the amount of memory actively used by MongoDB processes. High memory consumption may lead to increased disk I/O and degraded performance if not optimized properly.

Connections

Tracks the number of active client connections to the MongoDB instance. Exceeding connection limits can cause service interruptions and affect database accessibility during peak loads.

Log Volume

Monitors the size and frequency of logs generated by a container. Sudden spikes in log volume can signal errors or abnormal behavior in the application.

Key Features

Full Insight Into MongoDB Query Paths and Replica Set Health

Optimize document access patterns while keeping replication fast and reliable.

Query Performance Metrics

  • Track MongoDB operation throughput and execution time in real time to understand how your clusters perform under live production workloads and instantly detect sudden traffic spikes or slow operations.
  • Identify slow queries and high-volume read or write operations impacting CPU, memory, and disk utilization so teams can focus on the most resource-intensive workloads.
  • Monitor read versus write performance across collections and databases to uncover imbalance, replication pressure, or scaling limitations.
  • Analyze performance trends over time to detect regressions early, validate scaling strategies, and prevent user-facing slowdowns before they occur.
Query Performance Metrics

Live Query Activity & Slow Operations

  • Capture executed MongoDB queries in real time along with duration, namespace, operation type, and client context to gain complete visibility into production activity.
  • Instantly surface slow find, aggregate, update, and insert operations that degrade application responsiveness or increase infrastructure load.
  • Filter by collection, operation type, client, or response time to quickly isolate problematic queries and narrow down root causes.
  • Understand real production workload behavior across replica sets and clusters to optimize frequently accessed collections and prevent recurring slowdowns.
Live Query Activity & Slow Operations

Query Plan & Index Usage Insights

  • Visualize MongoDB query plans to clearly see how documents are scanned, filtered, and matched during execution.
  • Automatically detect collection scans and inefficient index usage that lead to high latency and unnecessary resource consumption.
  • Break down stage-by-stage execution cost within aggregation pipelines to identify expensive operators and processing bottlenecks.
  • Optimize queries by validating index effectiveness, refining query structure, and ensuring execution paths are efficient under real workloads.
Query Plan & Index Usage Insights

Locking, Contention & Concurrency Visibility

  • Monitor global, database, and collection-level lock activity in real time to understand how concurrency impacts throughput.
  • Identify operations causing write contention, replication lag, or throughput slowdowns across busy collections.
  • Track long-running transactions and blocked operations to prevent cascading delays in high-traffic environments.
  • Reduce performance bottlenecks by optimizing high-conflict workloads, improving indexing strategy, and refining transaction patterns.
Locking, Contention & Concurrency Visibility
Why Atatus

Why choose Atatus for MongoDB database monitoring?

01

MongoDB-specific insights

Track collection scans, index usage, cursor behavior, and query execution stages for accurate performance tuning.

02

Replica set stability

Monitor primary elections, oplog lag, and node state changes to ensure high availability.

03

Lock contention visibility

Surface global, database, and collection-level locks to uncover write bottlenecks.

04

Memory pressure detection

Analyze working set size and cache residency to prevent slow reads.

05

Storage engine health

Observe WiredTiger activity, checkpointing, compaction, and disk usage continuously.

06

Workload behavior clarity

Track read and write operation rates to understand traffic patterns and scaling needs.

Teams

Unified Observability for Every Engineering Team

Atatus adapts to how engineering teams work across development, operations, and reliability.

Supported frameworks

Ensure Continuous Database Monitoring Across All SQL and NoSQL Databases

FAQ

Frequently Asked Questions

Pricing, deployment, data and the agent. If something is missing, a person will answer it on a demo call.

Talk to an engineer
  • MongoDB monitoring refers to the process of observing and collecting data on the performance, health, and activities of MongoDB databases. It is essential for identifying issues, optimizing performance, and ensuring the overall stability of MongoDB deployments.

  • Key MongoDB metrics to monitor in Atatus include:

    • Connection statistics: Number of connections, available connections, etc.
    • Operation counters: Read and write operations.
    • Memory usage: Resident, virtual, and mapped memory.
    • Disk I/O: Read and write operations on disk.
    • Replication lag: Time difference between primary and secondary nodes in a replica set.
  • Atatus supports a wide range of popular databases, including but not limited to MySQL, MS SQL, PostgreSQL, MariaDB, Memcached, Redis, SQLite, and Aerospike. The platform provides integrations and pre-built dashboards tailored to each supported database, allowing users to monitor and analyze their database performance effectively. Whether your application relies on MySQL or a combination of different databases, Atatus provides a unified platform for effective monitoring and optimization.

  • Atatus empowers users with tracing capabilities to actively monitor MongoDB queries and performance. By seamlessly integrating with Application Performance Monitoring (APM), users can correlate data and retrieve comprehensive stack trace information. This integration enables users to actively investigate MongoDB queries, pinpoint slow queries, analyze their impact, and proactively optimize database performance.

  • Yes, Atatus supports monitoring MongoDB sharded clusters. It provides insights into the performance of individual shards, as well as the overall health of the sharded cluster.

  • Yes, Atatus supports Logs Monitoring for MongoDB. You can configure Atatus to collect and analyze MongoDB logs, enabling you to troubleshoot issues, track errors, and gain insights into the database's behavior.

  • Yes, Atatus allows you to set up custom alerts based on specific conditions or thresholds for MongoDB metrics. This ensures that you are notified promptly when there are issues or performance deviations in your MongoDB database.

  • Data retention for MongoDB monitoring is set to 7 days by default. This can be changed in your billing settings to 60 or 90 days. Contact our Customer Success Representative if you require a longer retention period.

Get started

Find the slow MongoDB query.

Track query performance, explain plans and server health for MongoDB.

  • SaaS
  • On-premises
  • Hybrid
  • BYOC
  • No per-user pricing

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