Java Concurrency Best Practices for MongoDB

Thu, 12 Jun 2025 15:30:29 +0000

In a multi-threaded, distributed environment like MongoDB, when clients execute queries concurrently, operations interleave with one another if they are not isolated, whether those operations involve single-document or multi-document operations.

For instance, Client C1’s read operation might observe the effects of a write performed by Client C2, even if that write has not yet been made durable. When at least one of the concurrent operations is a write and isolation is not enforced, this can lead to undesirable outcomes, such as:

Vivekanandan Sakthivelu on foojay.io - Friends of OpenJDK

Java Concurrency Best Practices for MongoDB