LevelDB db_bench shell script update

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Comments and loop statements have been updated in the shell script. Please do not run experiments manually - Use shell script!!!!!

Comments and loop statements have been updated in the shell script. Please do not run experiments manually - Use shell script!!!!!

[min-guk]

Link

• https://github.com/DKU-StarLab/leveldb-study/blob/main/file/bench_script.sh

[min-guk]

Uftrace shell script comments have been updated.

• https://github.com/DKU-StarLab/leveldb-study/blob/main/file/uftrace_script.sh