[Bug] avoid sdk oom risk

[fuyou001]

Before Creating the Bug Report

• [X] I found a bug, not just asking a question, which should be created in GitHub Discussions.

• [X] I have searched the GitHub Issues and GitHub Discussions of this repository and believe that this is not a duplicate.

• [X] I have confirmed that this bug belongs to the current repository, not other repositories of RocketMQ.

Programming Language of the Client

Java

Runtime Platform Environment

all

RocketMQ Version of the Client/Server

sdk

Run or Compiler Version

no

Describe the Bug

In some scenarios, if the SDK continuously submits tasks but process slowly, it can lead to OOM (Out of Memory). By using a bounded queue, a backpressure-like effect is achieved to avoid OOM (Out of Memory).****

Steps to Reproduce

no

What Did You Expect to See?

no

What Did You See Instead?

no

Additional Context

no