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vshepard
77 lines
2.9 KiB
Python
77 lines
2.9 KiB
Python
import os
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import unittest
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from .helpers.ptrack_helpers import ProbackupTest
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import subprocess
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from time import sleep
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class TimeConsumingTests(ProbackupTest):
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def test_pbckp150(self):
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"""
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https://jira.postgrespro.ru/browse/PBCKP-150
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create a node filled with pgbench
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create FULL backup followed by PTRACK backup
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run pgbench, vacuum VERBOSE FULL and ptrack backups in parallel
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"""
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# init node
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if self.pg_config_version < self.version_to_num('11.0'):
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self.skipTest('You need PostgreSQL >= 11 for this test')
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if not self.ptrack:
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self.skipTest('Skipped because ptrack support is disabled')
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node = self.pg_node.make_simple('node',
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set_replication=True,
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ptrack_enable=self.ptrack,
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pg_options={
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'max_connections': 100,
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'log_statement': 'none',
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'log_checkpoints': 'on',
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'autovacuum': 'off',
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'ptrack.map_size': 1})
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if node.major_version >= 13:
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node.set_auto_conf({'wal_keep_size': '16000MB'})
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else:
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node.set_auto_conf({'wal_keep_segments': '1000'})
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# init probackup and add an instance
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self.pb.init()
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self.pb.add_instance('node', node)
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# run the node and init ptrack
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node.slow_start()
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node.safe_psql("postgres", "CREATE EXTENSION ptrack")
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# populate it with pgbench
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node.pgbench_init(scale=5)
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# FULL backup followed by PTRACK backup
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self.pb.backup_node('node', node, options=['--stream'])
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self.pb.backup_node('node', node, backup_type='ptrack', options=['--stream'])
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# run ordinary pgbench scenario to imitate some activity and another pgbench for vacuuming in parallel
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nBenchDuration = 30
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pgbench = node.pgbench(options=['-c', '20', '-j', '8', '-T', str(nBenchDuration)])
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with open('/tmp/pbckp150vacuum.sql', 'w') as f:
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f.write('VACUUM (FULL) pgbench_accounts, pgbench_tellers, pgbench_history; SELECT pg_sleep(1);\n')
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pgbenchval = node.pgbench(options=['-c', '1', '-f', '/tmp/pbckp150vacuum.sql', '-T', str(nBenchDuration)])
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# several PTRACK backups
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for i in range(nBenchDuration):
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print("[{}] backing up PTRACK diff...".format(i+1))
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self.pb.backup_node('node', node, backup_type='ptrack', options=['--stream', '--log-level-console', 'VERBOSE'])
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sleep(0.1)
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# if the activity pgbench has finished, stop backing up
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if pgbench.poll() is not None:
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break
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pgbench.kill()
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pgbenchval.kill()
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pgbench.wait()
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pgbenchval.wait()
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pgbench.stdout.close()
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pgbenchval.stdout.close()
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backups = self.pb.show('node')
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for b in backups:
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self.assertEqual("OK", b['status'])
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