An OOM exception occurred while the broker was writing messages to the bookie

**BUG REPORT**

***Describe the bug***
Pulsar version:2.8.1

An OOM exception occurred while the broker was writing messages to the bookie.

nsemble size=2
write quourm size=2
Ack quorum size=2

[broker.log](https://github.com/apache/bookkeeper/files/11305957/broker.log)

***To Reproduce***
Sending 4MB sized messages
bin/pulsar-perf produce --size 4194304 --num-messages 10000 -threads 10 test-string2

***Expected behavior***

A clear and concise description of what you expected to happen.

***Screenshots***

If applicable, add screenshots to help explain your problem.

***Additional context***

Add any other context about the problem here.