mirror of
https://github.com/postgrespro/pg_probackup.git
synced 2024-12-01 09:51:43 +02:00
202 lines
8.1 KiB
Python
202 lines
8.1 KiB
Python
import os
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import unittest
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from .helpers.ptrack_helpers import ProbackupTest, idx_ptrack
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import time
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module_name = 'ptrack_vacuum_full'
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class SimpleTest(ProbackupTest, unittest.TestCase):
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# @unittest.skip("skip")
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# @unittest.expectedFailure
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def test_ptrack_vacuum_full(self):
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fname = self.id().split('.')[3]
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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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'ptrack_enable': 'on',
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'wal_level': 'replica',
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'max_wal_senders': '2'})
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
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self.init_pb(backup_dir)
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self.add_instance(backup_dir, 'node', node)
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node.slow_start()
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self.create_tblspace_in_node(node, 'somedata')
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# Create table and indexes
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res = node.safe_psql(
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"postgres",
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"create extension bloom; create sequence t_seq; "
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"create table t_heap tablespace somedata "
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"as select i as id, md5(i::text) as text, "
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"md5(repeat(i::text,10))::tsvector as tsvector "
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"from generate_series(0,2560) i")
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for i in idx_ptrack:
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if idx_ptrack[i]['type'] != 'heap' and idx_ptrack[i]['type'] != 'seq':
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node.safe_psql(
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"postgres", "create index {0} on {1} "
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"using {2}({3}) tablespace somedata".format(
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i, idx_ptrack[i]['relation'],
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idx_ptrack[i]['type'], idx_ptrack[i]['column']))
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node.safe_psql('postgres', 'vacuum t_heap')
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node.safe_psql('postgres', 'checkpoint')
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self.backup_node(
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backup_dir, 'node', node, options=['-j10', '--stream'])
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for i in idx_ptrack:
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# get size of heap and indexes. size calculated in pages
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idx_ptrack[i]['old_size'] = self.get_fork_size(node, i)
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# get path to heap and index files
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idx_ptrack[i]['path'] = self.get_fork_path(node, i)
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# calculate md5sums of pages
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idx_ptrack[i]['old_pages'] = self.get_md5_per_page_for_fork(
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idx_ptrack[i]['path'], idx_ptrack[i]['old_size'])
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node.safe_psql('postgres', 'delete from t_heap where id%2 = 1')
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node.safe_psql('postgres', 'vacuum full t_heap')
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node.safe_psql('postgres', 'checkpoint')
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# CHECK PTRACK SANITY
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success = True
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for i in idx_ptrack:
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# get new size of heap and indexes. size calculated in pages
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idx_ptrack[i]['new_size'] = self.get_fork_size(node, i)
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# update path to heap and index files in case they`ve changed
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idx_ptrack[i]['path'] = self.get_fork_path(node, i)
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# calculate new md5sums for pages
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idx_ptrack[i]['new_pages'] = self.get_md5_per_page_for_fork(
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idx_ptrack[i]['path'], idx_ptrack[i]['new_size'])
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# get ptrack for every idx
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idx_ptrack[i]['ptrack'] = self.get_ptrack_bits_per_page_for_fork(
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node, idx_ptrack[i]['path'],
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[idx_ptrack[i]['old_size'], idx_ptrack[i]['new_size']])
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# compare pages and check ptrack sanity, the most important part
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if not self.check_ptrack_sanity(idx_ptrack[i]):
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success = False
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self.assertTrue(
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success, 'Ptrack has failed to register changes in data files'
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)
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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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# @unittest.expectedFailure
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def test_ptrack_vacuum_full_replica(self):
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fname = self.id().split('.')[3]
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master = self.make_simple_node(
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base_dir="{0}/{1}/master".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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'ptrack_enable': 'on',
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'wal_level': 'replica',
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'max_wal_senders': '2',
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'autovacuum': 'off',
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'archive_timeout': '30s'}
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)
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
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self.init_pb(backup_dir)
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self.add_instance(backup_dir, 'master', master)
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master.slow_start()
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self.backup_node(backup_dir, 'master', master, options=['--stream'])
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replica = self.make_simple_node(
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base_dir="{0}/{1}/replica".format(module_name, fname))
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replica.cleanup()
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self.restore_node(backup_dir, 'master', replica)
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self.add_instance(backup_dir, 'replica', replica)
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self.set_replica(master, replica, 'replica', synchronous=True)
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self.set_archiving(backup_dir, 'replica', replica, replica=True)
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replica.slow_start(replica=True)
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# Create table and indexes
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master.safe_psql(
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"postgres",
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"create extension bloom; create sequence t_seq; "
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"create table t_heap as select i as id, "
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"md5(i::text) as text, md5(repeat(i::text,10))::tsvector as "
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"tsvector from generate_series(0,256000) i")
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for i in idx_ptrack:
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if idx_ptrack[i]['type'] != 'heap' and idx_ptrack[i]['type'] != 'seq':
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master.safe_psql(
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"postgres",
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"create index {0} on {1} using {2}({3})".format(
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i, idx_ptrack[i]['relation'],
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idx_ptrack[i]['type'],
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idx_ptrack[i]['column']))
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master.safe_psql('postgres', 'vacuum t_heap')
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master.safe_psql('postgres', 'checkpoint')
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# Sync master and replica
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self.wait_until_replica_catch_with_master(master, replica)
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replica.safe_psql('postgres', 'checkpoint')
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# Take FULL backup to clean every ptrack
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self.backup_node(
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backup_dir, 'replica', replica,
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options=[
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'-j10',
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'--master-host=localhost',
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'--master-db=postgres',
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'--master-port={0}'.format(master.port),
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'--stream'
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]
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)
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# TODO: check that all ptrack are nullified
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for i in idx_ptrack:
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# get size of heap and indexes. size calculated in pages
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idx_ptrack[i]['old_size'] = self.get_fork_size(replica, i)
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# get path to heap and index files
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idx_ptrack[i]['path'] = self.get_fork_path(replica, i)
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# calculate md5sums of pages
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idx_ptrack[i]['old_pages'] = self.get_md5_per_page_for_fork(
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idx_ptrack[i]['path'], idx_ptrack[i]['old_size'])
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master.safe_psql('postgres', 'delete from t_heap where id%2 = 1')
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master.safe_psql('postgres', 'vacuum full t_heap')
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master.safe_psql('postgres', 'checkpoint')
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# Sync master and replica
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self.wait_until_replica_catch_with_master(master, replica)
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replica.safe_psql('postgres', 'checkpoint')
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# CHECK PTRACK SANITY
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success = True
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for i in idx_ptrack:
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# get new size of heap and indexes. size calculated in pages
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idx_ptrack[i]['new_size'] = self.get_fork_size(replica, i)
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# update path to heap and index files in case they`ve changed
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idx_ptrack[i]['path'] = self.get_fork_path(replica, i)
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# calculate new md5sums for pages
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idx_ptrack[i]['new_pages'] = self.get_md5_per_page_for_fork(
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idx_ptrack[i]['path'], idx_ptrack[i]['new_size'])
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# get ptrack for every idx
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idx_ptrack[i]['ptrack'] = self.get_ptrack_bits_per_page_for_fork(
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replica, idx_ptrack[i]['path'],
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[idx_ptrack[i]['old_size'], idx_ptrack[i]['new_size']])
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# compare pages and check ptrack sanity, the most important part
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if not self.check_ptrack_sanity(idx_ptrack[i]):
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success = False
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self.assertTrue(
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success, 'Ptrack has failed to register changes in data files'
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)
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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