mirror of
https://github.com/postgrespro/pg_probackup.git
synced 2024-11-29 09:42:27 +02:00
663 lines
22 KiB
Python
663 lines
22 KiB
Python
import os
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import unittest
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from .helpers.ptrack_helpers import ProbackupTest, ProbackupException
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from datetime import datetime, timedelta
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import subprocess
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module_name = 'page'
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class PageBackupTest(ProbackupTest, unittest.TestCase):
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# @unittest.skip("skip")
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def test_page_vacuum_truncate(self):
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"""
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make node, create table, take full backup,
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delete last 3 pages, vacuum relation,
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take page backup, take second page backup,
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restore last page backup and check data correctness
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"""
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fname = self.id().split('.')[3]
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
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node = self.make_simple_node(
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base_dir="{0}/{1}/node".format(module_name, fname),
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set_replication=True,
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initdb_params=['--data-checksums'],
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pg_options={
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'wal_level': 'replica',
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'max_wal_senders': '2',
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'checkpoint_timeout': '300s',
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'autovacuum': 'off'
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}
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)
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node_restored = self.make_simple_node(
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base_dir="{0}/{1}/node_restored".format(module_name, fname))
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self.init_pb(backup_dir)
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self.add_instance(backup_dir, 'node', node)
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self.set_archiving(backup_dir, 'node', node)
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node_restored.cleanup()
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node.start()
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self.create_tblspace_in_node(node, 'somedata')
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node.safe_psql(
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"postgres",
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"create sequence t_seq; "
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"create table t_heap tablespace somedata as select i as id, "
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"md5(i::text) as text, "
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"md5(repeat(i::text,10))::tsvector as tsvector "
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"from generate_series(0,1024) i;")
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node.safe_psql(
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"postgres",
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"vacuum t_heap")
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self.backup_node(backup_dir, 'node', node)
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node.safe_psql(
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"postgres",
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"delete from t_heap where ctid >= '(11,0)'")
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node.safe_psql(
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"postgres",
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"vacuum t_heap")
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self.backup_node(
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backup_dir, 'node', node, backup_type='page',
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options=['--log-level-file=verbose'])
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self.backup_node(
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backup_dir, 'node', node, backup_type='page')
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if self.paranoia:
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pgdata = self.pgdata_content(node.data_dir)
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old_tablespace = self.get_tblspace_path(node, 'somedata')
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new_tablespace = self.get_tblspace_path(node_restored, 'somedata_new')
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self.restore_node(
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backup_dir, 'node', node_restored,
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options=[
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"-j", "4",
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"-T", "{0}={1}".format(old_tablespace, new_tablespace),
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"--recovery-target-action=promote"])
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# Physical comparison
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if self.paranoia:
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pgdata_restored = self.pgdata_content(node_restored.data_dir)
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self.compare_pgdata(pgdata, pgdata_restored)
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node_restored.append_conf(
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"postgresql.auto.conf", "port = {0}".format(node_restored.port))
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node_restored.slow_start()
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# Logical comparison
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result1 = node.safe_psql(
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"postgres",
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"select * from t_heap")
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result2 = node_restored.safe_psql(
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"postgres",
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"select * from t_heap")
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self.assertEqual(result1, result2)
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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# @unittest.skip("skip")
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def test_page_stream(self):
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"""
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make archive node, take full and page stream backups,
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restore them and check data correctness
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"""
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self.maxDiff = None
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fname = self.id().split('.')[3]
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
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node = self.make_simple_node(
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base_dir="{0}/{1}/node".format(module_name, fname),
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set_replication=True,
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initdb_params=['--data-checksums'],
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pg_options={
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'wal_level': 'replica',
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'max_wal_senders': '2',
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'checkpoint_timeout': '30s'}
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)
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self.init_pb(backup_dir)
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self.add_instance(backup_dir, 'node', node)
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self.set_archiving(backup_dir, 'node', node)
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node.start()
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# FULL BACKUP
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node.safe_psql(
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"postgres",
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"create table t_heap as select i as id, md5(i::text) as text, "
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"md5(i::text)::tsvector as tsvector "
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"from generate_series(0,100) i")
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full_result = node.execute("postgres", "SELECT * FROM t_heap")
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full_backup_id = self.backup_node(
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backup_dir, 'node', node,
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backup_type='full', options=['--stream'])
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# PAGE BACKUP
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node.safe_psql(
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"postgres",
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"insert into t_heap select i as id, md5(i::text) as text, "
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"md5(i::text)::tsvector as tsvector "
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"from generate_series(100,200) i")
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page_result = node.execute("postgres", "SELECT * FROM t_heap")
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page_backup_id = self.backup_node(
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backup_dir, 'node', node,
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backup_type='page', options=['--stream', '-j', '4'])
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if self.paranoia:
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pgdata = self.pgdata_content(node.data_dir)
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# Drop Node
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node.cleanup()
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# Check full backup
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self.assertIn(
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"INFO: Restore of backup {0} completed.".format(full_backup_id),
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self.restore_node(
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backup_dir, 'node', node,
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backup_id=full_backup_id, options=["-j", "4"]),
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'\n Unexpected Error Message: {0}\n'
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' CMD: {1}'.format(repr(self.output), self.cmd))
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node.slow_start()
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full_result_new = node.execute("postgres", "SELECT * FROM t_heap")
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self.assertEqual(full_result, full_result_new)
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node.cleanup()
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# Check page backup
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self.assertIn(
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"INFO: Restore of backup {0} completed.".format(page_backup_id),
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self.restore_node(
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backup_dir, 'node', node,
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backup_id=page_backup_id, options=["-j", "4"]),
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'\n Unexpected Error Message: {0}\n'
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' CMD: {1}'.format(repr(self.output), self.cmd))
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# GET RESTORED PGDATA AND COMPARE
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if self.paranoia:
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pgdata_restored = self.pgdata_content(node.data_dir)
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self.compare_pgdata(pgdata, pgdata_restored)
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node.slow_start()
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page_result_new = node.execute("postgres", "SELECT * FROM t_heap")
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self.assertEqual(page_result, page_result_new)
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node.cleanup()
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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# @unittest.skip("skip")
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def test_page_archive(self):
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"""
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make archive node, take full and page archive backups,
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restore them and check data correctness
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"""
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self.maxDiff = None
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fname = self.id().split('.')[3]
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
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node = self.make_simple_node(
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base_dir="{0}/{1}/node".format(module_name, fname),
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set_replication=True,
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initdb_params=['--data-checksums'],
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pg_options={
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'wal_level': 'replica',
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'max_wal_senders': '2',
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'checkpoint_timeout': '30s'}
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)
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self.init_pb(backup_dir)
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self.add_instance(backup_dir, 'node', node)
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self.set_archiving(backup_dir, 'node', node)
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node.start()
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# FULL BACKUP
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node.safe_psql(
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"postgres",
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"create table t_heap as select i as id, md5(i::text) as text, "
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"md5(i::text)::tsvector as tsvector from generate_series(0,100) i")
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full_result = node.execute("postgres", "SELECT * FROM t_heap")
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full_backup_id = self.backup_node(
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backup_dir, 'node', node, backup_type='full')
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# PAGE BACKUP
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node.safe_psql(
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"postgres",
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"insert into t_heap select i as id, "
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"md5(i::text) as text, md5(i::text)::tsvector as tsvector "
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"from generate_series(100, 200) i")
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page_result = node.execute("postgres", "SELECT * FROM t_heap")
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page_backup_id = self.backup_node(
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backup_dir, 'node', node,
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backup_type='page', options=["-j", "4"])
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if self.paranoia:
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pgdata = self.pgdata_content(node.data_dir)
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# Drop Node
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node.cleanup()
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# Restore and check full backup
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self.assertIn("INFO: Restore of backup {0} completed.".format(
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full_backup_id),
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self.restore_node(
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backup_dir, 'node', node,
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backup_id=full_backup_id,
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options=[
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"-j", "4",
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"--immediate",
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"--recovery-target-action=promote"]),
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
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repr(self.output), self.cmd))
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node.slow_start()
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full_result_new = node.execute("postgres", "SELECT * FROM t_heap")
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self.assertEqual(full_result, full_result_new)
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node.cleanup()
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# Restore and check page backup
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self.assertIn(
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"INFO: Restore of backup {0} completed.".format(page_backup_id),
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self.restore_node(
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backup_dir, 'node', node,
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backup_id=page_backup_id,
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options=[
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"-j", "4",
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"--immediate",
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"--recovery-target-action=promote"]),
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
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repr(self.output), self.cmd))
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# GET RESTORED PGDATA AND COMPARE
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if self.paranoia:
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pgdata_restored = self.pgdata_content(node.data_dir)
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self.compare_pgdata(pgdata, pgdata_restored)
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node.slow_start()
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page_result_new = node.execute("postgres", "SELECT * FROM t_heap")
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self.assertEqual(page_result, page_result_new)
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node.cleanup()
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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# @unittest.skip("skip")
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def test_page_multiple_segments(self):
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"""
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Make node, create table with multiple segments,
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write some data to it, check page and data correctness
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"""
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fname = self.id().split('.')[3]
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
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node = self.make_simple_node(
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base_dir="{0}/{1}/node".format(module_name, fname),
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set_replication=True,
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initdb_params=['--data-checksums'],
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pg_options={
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'wal_level': 'replica',
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'max_wal_senders': '2',
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'fsync': 'off',
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'shared_buffers': '1GB',
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'maintenance_work_mem': '1GB',
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'autovacuum': 'off',
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'full_page_writes': 'off'
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}
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)
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self.init_pb(backup_dir)
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self.add_instance(backup_dir, 'node', node)
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self.set_archiving(backup_dir, 'node', node)
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node.start()
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self.create_tblspace_in_node(node, 'somedata')
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# CREATE TABLE
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node.pgbench_init(scale=100, options=['--tablespace=somedata'])
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# FULL BACKUP
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self.backup_node(backup_dir, 'node', node)
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# PGBENCH STUFF
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pgbench = node.pgbench(options=['-T', '50', '-c', '1', '--no-vacuum'])
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pgbench.wait()
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node.safe_psql("postgres", "checkpoint")
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# GET LOGICAL CONTENT FROM NODE
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result = node.safe_psql("postgres", "select * from pgbench_accounts")
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# PAGE BACKUP
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self.backup_node(
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backup_dir, 'node', node, backup_type='page',
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options=["--log-level-file=verbose"])
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# GET PHYSICAL CONTENT FROM NODE
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pgdata = self.pgdata_content(node.data_dir)
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# RESTORE NODE
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restored_node = self.make_simple_node(
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base_dir="{0}/{1}/restored_node".format(module_name, fname))
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restored_node.cleanup()
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tblspc_path = self.get_tblspace_path(node, 'somedata')
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tblspc_path_new = self.get_tblspace_path(
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restored_node, 'somedata_restored')
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self.restore_node(
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backup_dir, 'node', restored_node,
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options=[
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"-j", "4",
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"--recovery-target-action=promote",
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"-T", "{0}={1}".format(tblspc_path, tblspc_path_new)])
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# GET PHYSICAL CONTENT FROM NODE_RESTORED
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pgdata_restored = self.pgdata_content(restored_node.data_dir)
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# START RESTORED NODE
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restored_node.append_conf(
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"postgresql.auto.conf", "port = {0}".format(restored_node.port))
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restored_node.slow_start()
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result_new = restored_node.safe_psql(
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"postgres", "select * from pgbench_accounts")
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# COMPARE RESTORED FILES
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self.assertEqual(result, result_new, 'data is lost')
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if self.paranoia:
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self.compare_pgdata(pgdata, pgdata_restored)
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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# @unittest.skip("skip")
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def test_page_delete(self):
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"""
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Make node, create tablespace with table, take full backup,
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delete everything from table, vacuum table, take page backup,
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restore page backup, compare .
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"""
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fname = self.id().split('.')[3]
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
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node = self.make_simple_node(
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base_dir="{0}/{1}/node".format(module_name, fname),
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set_replication=True, initdb_params=['--data-checksums'],
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pg_options={
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'wal_level': 'replica',
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'max_wal_senders': '2',
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'checkpoint_timeout': '30s',
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'autovacuum': 'off'
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}
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)
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self.init_pb(backup_dir)
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self.add_instance(backup_dir, 'node', node)
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self.set_archiving(backup_dir, 'node', node)
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node.start()
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self.create_tblspace_in_node(node, 'somedata')
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# FULL backup
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self.backup_node(backup_dir, 'node', node)
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node.safe_psql(
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"postgres",
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"create table t_heap tablespace somedata as select i as id,"
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" md5(i::text) as text, md5(i::text)::tsvector as tsvector"
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" from generate_series(0,100) i"
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)
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node.safe_psql(
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"postgres",
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"delete from t_heap"
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)
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node.safe_psql(
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"postgres",
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"vacuum t_heap"
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)
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# PAGE BACKUP
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self.backup_node(
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backup_dir, 'node', node, backup_type='page')
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if self.paranoia:
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pgdata = self.pgdata_content(node.data_dir)
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# RESTORE
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node_restored = self.make_simple_node(
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base_dir="{0}/{1}/node_restored".format(module_name, fname)
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)
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node_restored.cleanup()
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self.restore_node(
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backup_dir, 'node', node_restored,
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options=[
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"-j", "4",
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"-T", "{0}={1}".format(
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self.get_tblspace_path(node, 'somedata'),
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self.get_tblspace_path(node_restored, 'somedata'))
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]
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)
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# GET RESTORED PGDATA AND COMPARE
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if self.paranoia:
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pgdata_restored = self.pgdata_content(node_restored.data_dir)
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self.compare_pgdata(pgdata, pgdata_restored)
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# START RESTORED NODE
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node_restored.append_conf(
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'postgresql.auto.conf', 'port = {0}'.format(node_restored.port))
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node_restored.start()
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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# @unittest.skip("skip")
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def test_page_delete_1(self):
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"""
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Make node, create tablespace with table, take full backup,
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delete everything from table, vacuum table, take page backup,
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restore page backup, compare .
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"""
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fname = self.id().split('.')[3]
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
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node = self.make_simple_node(
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base_dir="{0}/{1}/node".format(module_name, fname),
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set_replication=True, initdb_params=['--data-checksums'],
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pg_options={
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'wal_level': 'replica',
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'max_wal_senders': '2',
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'checkpoint_timeout': '30s',
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'autovacuum': 'off'
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}
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)
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self.init_pb(backup_dir)
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self.add_instance(backup_dir, 'node', node)
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self.set_archiving(backup_dir, 'node', node)
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node.start()
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self.create_tblspace_in_node(node, 'somedata')
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node.safe_psql(
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"postgres",
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"create table t_heap tablespace somedata as select i as id,"
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" md5(i::text) as text, md5(i::text)::tsvector as tsvector"
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" from generate_series(0,100) i"
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)
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# FULL backup
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self.backup_node(backup_dir, 'node', node)
|
|
|
|
node.safe_psql(
|
|
"postgres",
|
|
"delete from t_heap"
|
|
)
|
|
|
|
node.safe_psql(
|
|
"postgres",
|
|
"vacuum t_heap"
|
|
)
|
|
|
|
# PAGE BACKUP
|
|
self.backup_node(
|
|
backup_dir, 'node', node, backup_type='page')
|
|
if self.paranoia:
|
|
pgdata = self.pgdata_content(node.data_dir)
|
|
|
|
# RESTORE
|
|
node_restored = self.make_simple_node(
|
|
base_dir="{0}/{1}/node_restored".format(module_name, fname)
|
|
)
|
|
node_restored.cleanup()
|
|
|
|
self.restore_node(
|
|
backup_dir, 'node', node_restored,
|
|
options=[
|
|
"-j", "4",
|
|
"-T", "{0}={1}".format(
|
|
self.get_tblspace_path(node, 'somedata'),
|
|
self.get_tblspace_path(node_restored, 'somedata'))
|
|
]
|
|
)
|
|
|
|
# GET RESTORED PGDATA AND COMPARE
|
|
if self.paranoia:
|
|
pgdata_restored = self.pgdata_content(node_restored.data_dir)
|
|
self.compare_pgdata(pgdata, pgdata_restored)
|
|
|
|
# START RESTORED NODE
|
|
node_restored.append_conf(
|
|
'postgresql.auto.conf', 'port = {0}'.format(node_restored.port))
|
|
node_restored.start()
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
def test_parallel_pagemap(self):
|
|
"""
|
|
Test for parallel WAL segments reading, during which pagemap is built
|
|
"""
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
|
|
# Initialize instance and backup directory
|
|
node = self.make_simple_node(
|
|
base_dir="{0}/{1}/node".format(module_name, fname),
|
|
initdb_params=['--data-checksums'],
|
|
pg_options={
|
|
"hot_standby": "on"
|
|
}
|
|
)
|
|
node_restored = self.make_simple_node(
|
|
base_dir="{0}/{1}/node_restored".format(module_name, fname),
|
|
)
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'node', node)
|
|
node_restored.cleanup()
|
|
self.set_archiving(backup_dir, 'node', node)
|
|
node.start()
|
|
|
|
# Do full backup
|
|
self.backup_node(backup_dir, 'node', node)
|
|
show_backup = self.show_pb(backup_dir, 'node')[0]
|
|
|
|
self.assertEqual(show_backup['status'], "OK")
|
|
self.assertEqual(show_backup['backup-mode'], "FULL")
|
|
|
|
# Fill instance with data and make several WAL segments ...
|
|
with node.connect() as conn:
|
|
conn.execute("create table test (id int)")
|
|
for x in range(0, 8):
|
|
conn.execute(
|
|
"insert into test select i from generate_series(1,100) s(i)")
|
|
conn.commit()
|
|
self.switch_wal_segment(conn)
|
|
count1 = conn.execute("select count(*) from test")
|
|
|
|
# ... and do page backup with parallel pagemap
|
|
self.backup_node(
|
|
backup_dir, 'node', node, backup_type="page", options=["-j", "4"])
|
|
show_backup = self.show_pb(backup_dir, 'node')[1]
|
|
|
|
self.assertEqual(show_backup['status'], "OK")
|
|
self.assertEqual(show_backup['backup-mode'], "PAGE")
|
|
|
|
if self.paranoia:
|
|
pgdata = self.pgdata_content(node.data_dir)
|
|
|
|
# Restore it
|
|
self.restore_node(backup_dir, 'node', node_restored)
|
|
|
|
# Physical comparison
|
|
if self.paranoia:
|
|
pgdata_restored = self.pgdata_content(node_restored.data_dir)
|
|
self.compare_pgdata(pgdata, pgdata_restored)
|
|
|
|
node_restored.append_conf(
|
|
"postgresql.auto.conf", "port = {0}".format(node_restored.port))
|
|
node_restored.start()
|
|
|
|
# Check restored node
|
|
count2 = node_restored.execute("postgres", "select count(*) from test")
|
|
|
|
self.assertEqual(count1, count2)
|
|
|
|
# Clean after yourself
|
|
node.cleanup()
|
|
node_restored.cleanup()
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
def test_parallel_pagemap_1(self):
|
|
"""
|
|
Test for parallel WAL segments reading, during which pagemap is built
|
|
"""
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
|
|
# Initialize instance and backup directory
|
|
node = self.make_simple_node(
|
|
base_dir="{0}/{1}/node".format(module_name, fname),
|
|
initdb_params=['--data-checksums'],
|
|
pg_options={}
|
|
)
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'node', node)
|
|
self.set_archiving(backup_dir, 'node', node)
|
|
node.start()
|
|
|
|
# Do full backup
|
|
self.backup_node(backup_dir, 'node', node)
|
|
show_backup = self.show_pb(backup_dir, 'node')[0]
|
|
|
|
self.assertEqual(show_backup['status'], "OK")
|
|
self.assertEqual(show_backup['backup-mode'], "FULL")
|
|
|
|
# Fill instance with data and make several WAL segments ...
|
|
node.pgbench_init(scale=10)
|
|
|
|
# do page backup in single thread
|
|
page_id = self.backup_node(
|
|
backup_dir, 'node', node, backup_type="page")
|
|
|
|
self.delete_pb(backup_dir, 'node', page_id)
|
|
|
|
# ... and do page backup with parallel pagemap
|
|
self.backup_node(
|
|
backup_dir, 'node', node, backup_type="page", options=["-j", "4"])
|
|
show_backup = self.show_pb(backup_dir, 'node')[1]
|
|
|
|
self.assertEqual(show_backup['status'], "OK")
|
|
self.assertEqual(show_backup['backup-mode'], "PAGE")
|
|
|
|
# Drop node and restore it
|
|
node.cleanup()
|
|
self.restore_node(backup_dir, 'node', node)
|
|
node.start()
|
|
|
|
# Clean after yourself
|
|
node.cleanup()
|
|
self.del_test_dir(module_name, fname)
|