reinit_master() {

rm -rf install/data

./install/bin/initdb -A trust -D ./install/data

echo "max_prepared_transactions = 100" >> ./install/data/postgresql.conf

echo "shared_buffers = 512MB" >> ./install/data/postgresql.conf

echo "fsync = off" >> ./install/data/postgresql.conf

echo "log_checkpoints = on" >> ./install/data/postgresql.conf

echo "max_wal_size = 48MB" >> ./install/data/postgresql.conf

echo "min_wal_size = 32MB" >> ./install/data/postgresql.conf

echo "wal_level = logical" >> ./install/data/postgresql.conf

echo "wal_keep_segments = 64" >> ./install/data/postgresql.conf

echo "max_wal_senders = 2" >> ./install/data/postgresql.conf

echo "max_replication_slots = 2" >> ./install/data/postgresql.conf

echo '' > ./install/data/logfile

echo 'local replication stas trust' >> ./install/data/pg_hba.conf

./install/bin/pg_ctl -sw -D ./install/data -l ./install/data/logfile start

./install/bin/createdb stas

./install/bin/psql -c "create table t(id int);"

}

reinit_slave() {

rm -rf install/data_slave

./install/bin/pg_basebackup -D ./install/data_slave/ -R

echo "port = 5433" >> ./install/data_slave/postgresql.conf

echo "hot_standby = on" >> ./install/data_slave/postgresql.conf

echo '' > ./install/data_slave/logfile

./install/bin/pg_ctl -sw -D ./install/data_slave -l ./install/data_slave/logfile start

}

make install > /dev/null

pkill -9 postgres

reinit_master >> /dev/null