High memory usage

[ivan4th]

Description

go-spacemesh uses too much memory.
On nodes with high number of peers (~1000) RSS may reach 10-12 GiB and even more, causing OOM on a Linux system with 16 GiB RAM.

Steps to reproduce

Run go-spacemesh on a Linux machine

Actual Behavior

go-spacemesh uses too much memory and OOMs at times.

Expected Behavior

go-spacemesh doesn't OOM on a normal Linux system with 16 GiB RAM

Environment

Please complete the following information:

• OS: Ubuntu 23.04
• Node Version: 1.5.3

Additional Resources

Heap profile result is attached