Runbook

MongoDB connection pool memory leaks

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Overview

This incident type refers to an issue related to MongoDB connection pool that causes memory leaks. A memory leak occurs when the system fails to release memory that is no longer needed, which can eventually result in depleted memory resources and system failure. In this case, the problem is related to MongoDB connection pool, which is a technique used to manage and reuse database connections in order to improve performance and scalability. The memory leaks may occur due to a variety of reasons, such as improper configuration settings, coding errors, or bugs in the database management software.

Parameters

Debug

Check the amount of memory used by MongoDB:

Check the size of the connection pool:

Check the number of open connections:

Check the number of connections in the pool:

Check the amount of memory used by MongoDB connection pool:

Check the number of active connections:

Check the connections per process:

Check the amount of memory used by a specific process:

Repair

Adjust the configuration settings of the MongoDB connection pool to more efficiently manage database connections and prevent memory leaks. This may involve adjusting connection timeouts, max pool size, and other settings.

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