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tests: fix pgpro2068

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This commit is contained in:
Grigory Smolkin 2019-05-28 17:50:03 +03:00
parent d38b5e6ece
commit 1b0eb68694
1 changed files with 13 additions and 7 deletions
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20
tests/pgpro2068.py
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@ -23,12 +23,12 @@ class BugTest(ProbackupTest, unittest.TestCase):
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={
'checkpoint_timeout': '60min',
# 'checkpoint_timeout': '60min',
'checkpoint_completion_target': '0.9',
'bgwriter_delay': '10ms',
'bgwriter_lru_maxpages': '2000',
'bgwriter_lru_multiplier': '4.0',
'max_wal_size': '100GB'})
'max_wal_size': '256MB'})
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
self.init_pb(backup_dir)
@ -75,36 +75,42 @@ class BugTest(ProbackupTest, unittest.TestCase):
pgbench.wait()
pgbench.stdout.close()
# generate some more data and leave it in background
pgbench = node.pgbench(
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
options=["-c", "4", "-T", "30"])
options=["-c", "4", "-j 4", "-T", "100"])
# get pids of background workers
startup_pid = replica.safe_psql(
'postgres',
"select pid from pg_stat_activity where backend_type = 'startup'").rstrip()
"select pid from pg_stat_activity "
"where backend_type = 'startup'").rstrip()
checkpointer_pid = replica.safe_psql(
'postgres',
"select pid from pg_stat_activity where backend_type = 'checkpointer'").rstrip()
"select pid from pg_stat_activity "
"where backend_type = 'checkpointer'").rstrip()
bgwriter_pid = replica.safe_psql(
'postgres',
"select pid from pg_stat_activity where backend_type = 'background writer'").rstrip()
"select pid from pg_stat_activity "
"where backend_type = 'background writer'").rstrip()
# wait for shared buffer on replica to be filled with dirty data
sleep(10)
# break checkpointer on UpdateLastRemovedPtr
gdb_checkpointer = self.gdb_attach(checkpointer_pid)
gdb_checkpointer._execute('handle SIGINT noprint nostop pass')
gdb_checkpointer._execute('handle SIGUSR1 noprint nostop pass')
gdb_checkpointer.set_breakpoint('UpdateLastRemovedPtr')
gdb_checkpointer.continue_execution_until_break()
# break recovery on UpdateControlFile
gdb_recovery = self.gdb_attach(startup_pid)
gdb_recovery._execute('handle SIGINT noprint nostop pass')
gdb_recovery._execute('handle SIGUSR1 noprint nostop pass')
gdb_recovery.set_breakpoint('UpdateMinRecoveryPoint')
gdb_recovery.continue_execution_until_break()
gdb_recovery.set_breakpoint('UpdateControlFile')