I have chunk migration problem.
Sometime Our MongoDB cluster start chunk migration, I get _recvChunkStatus slow log.
And query latency is so high, application API query does not work.
CPU usage is not so high.(idle 40%)
Server memory is 16GB, MongoDB each shard have 180GB data.
MongoDB version : 4.2
How can I solve problem?
Could this problem be memory related?
Can I enable _waitForDelete option for solve this problem?
Or chunk size changing can be solution?