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Filename: (unnamed)
Type: text/plain
Part: 2
Message: Re: Skip checkpoint on promoting from streaming replication
#! /bin/sh
export PGDATA1=/ext/horiguti/pgdata1
export PGDATA2=/ext/horiguti/pgdata2
echo Shutting down servers
pg_ctl -D $PGDATA2 stop -m i
pg_ctl -D $PGDATA1 stop -m i
sleep 5
echo Remove old clusters
rm -rf $PGDATA1 $PGDATA2 /tmp/hoge /tmp/hoge1
echo Creating master database cluster
initdb -D $PGDATA1 --no-locale --encoding=utf8
cp ~/work_repl/mast_conf/* $PGDATA
echo Starting master
pg_ctl -D $PGDATA1 start
sleep 5
echo Taking base backup for slave
pg_basebackup -h /tmp -p 5432 -D $PGDATA2 -X stream
cp ~/work_repl/repl_conf/* $PGDATA2
echo Done, starting slave
pg_controldata $PGDATA2 > ~/control_01_before_slave_start
pg_ctl -D $PGDATA2 start
sleep 5
pg_controldata $PGDATA2 > ~/control_02_after_slave_start
echo creating database.
createdb $USER
echo Proceeding WALS
psql -h /tmp -p 5432 -c "create table foo (a text)";
psql -h /tmp -p 5432 -c "insert into foo (select repeat('abcde', 1000) from generate_series(1, 200000)); delete from foo;"
psql -h /tmp -p 5432 -c "insert into foo (select repeat('ABCDE', 10) from generate_series(1, 2));"
pg_controldata $PGDATA2 > ~/control_03_WAL_proceeded
echo Promoting slave
pg_ctl -D $PGDATA2 promote
sleep 5
pg_controldata $PGDATA2 > ~/control_04_After_promoted
echo "Killing PostgreSQL's without taking checkpoint"
psql -h /tmp -p 5433 -c "insert into foo (select repeat('VWXYZ', 10) from generate_series(1, 2));"
killall -9 postgres
pg_controldata $PGDATA2 > ~/control_05_Killed_without_checkpoint
rm -f /tmp/hoge /tmp/hoge1
echo DONE