[INLONG-8146][Agent] Add -XX:NativeMemoryTracking in agent-env.sh

[kipshi]

Prepare a Pull Request

• [INLONG-8146][Agent] add -XX:NativeMemoryTracking in agent-env.sh

• Fixes [Improve][Agent] Optimize agent-env.sh, and '-XX:NativeMemoryTracking' #8146

Motivation

Add this params, we can use 'jcmd VM.native_memory summary' to analyze Off-Heap Memory

Modifications

Verifying this change

(Please pick either of the following options)

• This change is a trivial rework/code cleanup without any test coverage.

• This change is already covered by existing tests, such as:
  (please describe tests)

• This change added tests and can be verified as follows:

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  • Added integration tests for end-to-end deployment with large payloads (10MB)
  • Extended integration test for recovery after broker failure

Documentation

• Does this pull request introduce a new feature? (yes / no)
• If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented)
• If a feature is not applicable for documentation, explain why?
• If a feature is not documented yet in this PR, please create a follow-up issue for adding the documentation

[gong]

Maybe using the -XX:NativeMemoryTracking parameter during testing and diagnosis, rather than in production environments, to avoid affecting application performance.

[healchow]

Maybe using the -XX:NativeMemoryTracking parameter during testing and diagnosis, rather than in production environments, to avoid affecting application performance.

Can we pass in environmental conditions at startup to determine whether to enable this parameter?