pgpool의 다운로드

１．pgpool-n.tgz 다운로드
２．tar xvfz pgpool-n.tgz
３．cd pgpool-n
４．./configure --prefix=/usr/local/pgpool-n
５．make
６．make install
７．cd /usr/local/pgpool-n
８．cp -R /usr/local/pgpool/etc* .
９．rm etc*/pgpool.pid

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이후、pgpool을 정지해서
10．cd /usr/local
11．rm pgpool
12．ln -s /usr/local/pgpool-n /usr/local/pgpool

pgpool을 구동해서 완료