Rocksdb stats level knob.

[neethuhaneesha]

Rocksdb stats level knob.
cherry-pick of #8711

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Please check each of the following things and check all boxes before accepting a PR.

• The PR has a description, explaining both the problem and the solution.
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• This change/bugfix is a cherry-pick from the next younger branch (younger release-branch or main if this is the youngest branch)
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[foundationdb-ci]

Result of foundationdb-pr-cluster-tests on Linux CentOS 7

• Commit ID: 5c5b6c1
• Duration 0:45:36
• Result: ❌ FAILED
• Error: Error while executing command: if $(grep -q -- "--- FAIL:" ${CODEBUILD_SRC_DIR}/fdb-kubernetes-tests/logs/*.log); then echo "TESTS FAILED SEE THESE LOGS:"; echo ; grep -l -- "--- FAIL:" ${CODEBUILD_SRC_DIR}/fdb-kubernetes-tests/logs/*.log; exit 1; fi. Reason: exit status 1
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[foundationdb-ci]

Result of foundationdb-pr-clang on Linux CentOS 7

• Commit ID: 5c5b6c1
• Duration 0:59:36
• Result: ✅ SUCCEEDED
• Error: N/A
• Build Logs (available for 30 days)
• Build Artifact (available for 30 days)

[foundationdb-ci]

Result of foundationdb-pr on Linux CentOS 7

• Commit ID: 5c5b6c1
• Duration 1:05:02
• Result: ✅ SUCCEEDED
• Error: N/A
• Build Logs (available for 30 days)
• Build Artifact (available for 30 days)

[fdb-windows-ci]

Doxense CI Report for Windows 10

• Commit ID: 5c5b6c1
• Result: ✔️ SUCCEEDED
• Build Logs (available for 30 days)

[foundationdb-ci]

Result of foundationdb-pr-macos-m1 on macOS BigSur 11.5.2

• Commit ID: a78957f
• Duration 0:39:36
• Result: ✅ SUCCEEDED
• Error: N/A
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[foundationdb-ci]

Result of foundationdb-pr-macos on macOS Monterey 12.x

• Commit ID: a78957f
• Duration 0:44:58
• Result: ✅ SUCCEEDED
• Error: N/A
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[foundationdb-ci]

Result of foundationdb-pr-clang on Linux CentOS 7

• Commit ID: a78957f
• Duration 1:11:30
• Result: ✅ SUCCEEDED
• Error: N/A
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[foundationdb-ci]

Result of foundationdb-pr on Linux CentOS 7

• Commit ID: a78957f
• Duration 1:15:14
• Result: ✅ SUCCEEDED
• Error: N/A
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[foundationdb-ci]

Result of foundationdb-pr-cluster-tests on Linux CentOS 7

• Commit ID: a78957f
• Duration 1:17:42
• Result: ✅ SUCCEEDED
• Error: N/A
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• Build Artifact (available for 30 days)