안녕하세요. 

PgPool Log에 대해 질문이 있습니다,

현재 PgPool을 가동시킬떄 아래와 같은 스크립트(shell)를 통해 실행합니다.

./bin/pgpool -c -C -n -D -d > $LOG_FILE 2>&1 &

근데 아래와 같은 로그가 1초에 한번씩 계속 출력이 됩니다.

2019-01-31 09:37:58 DEBUG: pid 6061: read_kind_from_backend: kind: T from 1 th backend

2019-01-31 09:37:58 DEBUG: pid 6061: read_kind_from_backend: read kind from 1 th backend T NUM_BACKENDS: 2

2019-01-31 09:37:58 DEBUG: pid 6061: ProcessBackendResponse: kind from backend: T

2019-01-31 09:37:58 DEBUG: pid 6061: read_kind_from_one_backend: read kind from 1 th backend D

2019-01-31 09:37:58 DEBUG: pid 6061: read_kind_from_backend: kind: D from 1 th backend

2019-01-31 09:37:58 DEBUG: pid 6061: read_kind_from_backend: read kind from 1 th backend D NUM_BACKENDS: 2

2019-01-31 09:37:58 DEBUG: pid 6061: ProcessBackendResponse: kind from backend: D

2019-01-31 09:37:58 DEBUG: pid 6061: read_kind_from_one_backend: read kind from 1 th backend C

2019-01-31 09:37:58 DEBUG: pid 6061: read_kind_from_backend: kind: C from 1 th backend

2019-01-31 09:37:58 DEBUG: pid 6061: read_kind_from_backend: read kind from 1 th backend C NUM_BACKENDS: 2

2019-01-31 09:37:58 DEBUG: pid 6061: ProcessBackendResponse: kind from backend: C

2019-01-31 09:37:58 DEBUG: pid 6061: pool_set_command_success: done

2019-01-31 09:37:58 DEBUG: pid 6061: read_kind_from_one_backend: read kind from 1 th backend Z

2019-01-31 09:37:58 DEBUG: pid 6061: read_kind_from_backend: kind: Z from 1 th backend

2019-01-31 09:37:58 DEBUG: pid 6061: read_kind_from_backend: read kind from 1 th backend Z NUM_BACKENDS: 2

2019-01-31 09:37:58 DEBUG: pid 6061: ProcessBackendResponse: kind from backend: Z

2019-01-31 09:37:58 DEBUG: pid 6061: pool_read_message_length: slot: 1 length: 5

2019-01-31 09:37:58 DEBUG: pid 6061: ReadyForQuery: transaction state:I

2019-01-31 09:37:58 DEBUG: pid 6061: pool_unset_query_in_progress: done

2019-01-31 09:37:58 DEBUG: pid 6061: pool_unset_query_in_progress: done

그래서 로그 레벨이나 올려, Info 또는 warn, error만 출력하고 싶은데 어떻게 해야하나요?