Add destructor in LRU2 to release memory

[hfu94]

joshua: 20240401-231737-haofu-76fc1d29bbf963b0

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• [ ] The PR has a description, explaining both the problem and the solution.
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[foundationdb-ci]

Result of foundationdb-pr-clang-ide on Linux CentOS 7

• Commit ID: e3888260db29393acdf5490bff995145d4b872e7
• Duration 0:04:04
• Result: :x: FAILED
• Error: Error while executing command: if [[ $(git diff --shortstat 2> /dev/null | tail -n1) == "" ]]; then echo "CODE FORMAT CLEAN"; else echo "CODE FORMAT NOT CLEAN"; echo; echo "THE FOLLOWING FILES NEED TO BE FORMATTED"; echo; git ls-files -m; echo; exit 1; fi. Reason: exit status 1
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[foundationdb-ci]

Result of foundationdb-pr-clang on Linux CentOS 7

• Commit ID: e3888260db29393acdf5490bff995145d4b872e7
• Duration 0:04:10
• Result: :x: FAILED
• Error: Error while executing command: if [[ $(git diff --shortstat 2> /dev/null | tail -n1) == "" ]]; then echo "CODE FORMAT CLEAN"; else echo "CODE FORMAT NOT CLEAN"; echo; echo "THE FOLLOWING FILES NEED TO BE FORMATTED"; echo; git ls-files -m; echo; exit 1; fi. Reason: exit status 1
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[foundationdb-ci]

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

• Commit ID: e3888260db29393acdf5490bff995145d4b872e7
• Duration 0:04:10
• Result: :x: FAILED
• Error: Error while executing command: if [[ $(git diff --shortstat 2> /dev/null | tail -n1) == "" ]]; then echo "CODE FORMAT CLEAN"; else echo "CODE FORMAT NOT CLEAN"; echo; echo "THE FOLLOWING FILES NEED TO BE FORMATTED"; echo; git ls-files -m; echo; exit 1; fi. Reason: exit status 1
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• Cluster Test Logs zip file of the test logs (available for 30 days)

[foundationdb-ci]

Result of foundationdb-pr on Linux CentOS 7

• Commit ID: e3888260db29393acdf5490bff995145d4b872e7
• Duration 0:04:12
• Result: :x: FAILED
• Error: Error while executing command: if [[ $(git diff --shortstat 2> /dev/null | tail -n1) == "" ]]; then echo "CODE FORMAT CLEAN"; else echo "CODE FORMAT NOT CLEAN"; echo; echo "THE FOLLOWING FILES NEED TO BE FORMATTED"; echo; git ls-files -m; echo; exit 1; fi. Reason: exit status 1
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[foundationdb-ci]

Result of foundationdb-pr-clang-ide on Linux CentOS 7

• Commit ID: 4a0e24d0b1ae1053008e0f9fd94835a4a7efcf17
• Duration 0:21:32
• Result: :white_check_mark: SUCCEEDED
• Error: N/A
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[foundationdb-ci]

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

• Commit ID: 4a0e24d0b1ae1053008e0f9fd94835a4a7efcf17
• Duration 0:54:56
• Result: :white_check_mark: SUCCEEDED
• Error: N/A
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• Cluster Test Logs zip file of the test logs (available for 30 days)

[foundationdb-ci]

Result of foundationdb-pr-clang on Linux CentOS 7

• Commit ID: 4a0e24d0b1ae1053008e0f9fd94835a4a7efcf17
• Duration 1:19:26
• Result: :white_check_mark: SUCCEEDED
• Error: N/A
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[foundationdb-ci]

Result of foundationdb-pr on Linux CentOS 7

• Commit ID: 4a0e24d0b1ae1053008e0f9fd94835a4a7efcf17
• Duration 1:20:26
• Result: :white_check_mark: SUCCEEDED
• Error: N/A
• Build Log terminal output (available for 30 days)
• Build Workspace zip file of the working directory (available for 30 days)