Disable enable_heap_profiling and improve some codes

[CalvinNeo]

What is changed and how it works?

Issue Number: Close #xxx

What's Changed:

Related changes

• PR to update pingcap/docs/pingcap/docs-cn:
• Need to cherry-pick to the release branch

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Release note

[CalvinNeo]

/retest

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-07-22 09:27:49.894276658 +0000 UTC m=+864491.885218127: ☑️ agreed by Lloyd-Pottiger.

[CalvinNeo]

/reset

[CalvinNeo]

/retest

[CalvinNeo]

/approve

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: CalvinNeo, Lloyd-Pottiger
Once this PR has been reviewed and has the lgtm label, please assign easonn7 for approval. For more information see the Code Review Process.

The full list of commands accepted by this bot can be found here.

Needs approval from an approver in each of these files:

• HACKED_OWNERS [CalvinNeo,Lloyd-Pottiger]
• proxy_components/proxy_server/src/HACKED_OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[CalvinNeo]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: CalvinNeo, Lloyd-Pottiger Once this PR has been reviewed and has the lgtm label, please assign easonn7 for approval. For more information see the Code Review Process.

The full list of commands accepted by this bot can be found here.

Needs approval from an approver in each of these files:

• HACKED_OWNERS [CalvinNeo,Lloyd-Pottiger]
• proxy_components/proxy_server/src/HACKED_OWNERS

Approvers can indicate their approval by writing /approve in a comment Approvers can cancel approval by writing /approve cancel in a comment

This PR does not add or delete a config item