tools/simulator: reduce range times

[HuSharp]

What problem does this PR solve?

Issue Number: Ref #8135

What is changed and how does it work?

can reduce range times when in too many regions

for large cluster

before

after

Check List

Tests

• Manual test (add detailed scripts or steps below)

Release note

None.

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: nolouch, okJiang, rleungx

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-06-24 06:06:46.367537878 +0000 UTC m=+613332.853026710: ☑️ agreed by rleungx.
• 2024-06-24 10:11:51.206559361 +0000 UTC m=+628037.692048190: ☑️ agreed by nolouch.

[HuSharp]

/test pull-integration-realcluster-test

[ti-chi-bot]

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