MongoDB 3.5.12 is released

[Thomas Schubert]

The Server Team is excited to announce that MongoDB 3.5.12 is ready for testing. Among the numerous bug fixes and improvements delivered in the past three weeks, some major features we’ve completed include:

Improved Connection Storm Handling in ASIO

This work adds improved control on the egress networking connection pool, which helps mitigate connection storms. New limits on the number of connections that can be created improve server stability, particularly for newly promoted primaries in large sharded clusters.

Faster In-place Updates in WiredTiger

This work brings improvements to in-place update workloads for users running the WiredTiger engine, especially for updates to large documents. Some workloads may see a reduction of up to 7x in disk utilization (from 24 MB/s to 3 MB/s) as well as a 20% improvement in throughput.

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Thanks,

The MongoDB Server Team