mirror of
https://github.com/postgrespro/pg_probackup.git
synced 2024-12-02 09:53:24 +02:00
81 lines
3.3 KiB
Python
81 lines
3.3 KiB
Python
import unittest
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from sys import exit
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from testgres import get_new_node, stop_all
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from .ptrack_helpers import ProbackupTest, idx_ptrack
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class SimpleTest(ProbackupTest, unittest.TestCase):
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def __init__(self, *args, **kwargs):
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super(SimpleTest, self).__init__(*args, **kwargs)
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def teardown(self):
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# clean_all()
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stop_all()
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# @unittest.skip("123")
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def test_ptrack_vacuum(self):
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fname = self.id().split('.')[3]
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node = self.make_simple_node(base_dir='tmp_dirs/ptrack/{0}'.format(fname),
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set_replication=True,
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initdb_params=['--data-checksums', '-A trust'],
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pg_options={'ptrack_enable': 'on', 'wal_level': 'replica', 'max_wal_senders': '2'})
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node.start()
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self.create_tblspace_in_node(node, 'somedata')
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# Create table and indexes
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node.psql(
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"postgres",
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"create table t_heap tablespace somedata as select i as id, md5(i::text) as text, md5(repeat(i::text,10))::tsvector as tsvector from generate_series(0,256) i")
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for i in idx_ptrack:
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if idx_ptrack[i]['type'] == 'heap':
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continue
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node.psql("postgres", "create index {0} on {1} using {2}({3}) tablespace somedata".format(
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i, idx_ptrack[i]['relation'], idx_ptrack[i]['type'], idx_ptrack[i]['column']))
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node.psql('postgres', 'vacuum t_heap')
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node.psql('postgres', 'checkpoint')
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for i in idx_ptrack:
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# get fork size and calculate it 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 for every page of this fork
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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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# Make full backup to clean every ptrack
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self.init_pb(node)
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self.backup_pb(node, backup_type='full', options=['-j100', '--stream'])
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for i in idx_ptrack:
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idx_ptrack[i]['ptrack'] = self.get_ptrack_bits_per_page_for_fork(
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idx_ptrack[i]['path'], idx_ptrack[i]['old_size'])
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self.check_ptrack_clean(idx_ptrack[i], idx_ptrack[i]['old_size'])
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# Delete some rows, vacuum it and make checkpoint
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node.psql('postgres', 'delete from t_heap where id%2 = 1')
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node.psql('postgres', 'vacuum t_heap')
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node.psql('postgres', 'checkpoint')
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for i in idx_ptrack:
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# get new size of heap and indexes and calculate it 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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idx_ptrack[i]['path'], idx_ptrack[i]['new_size'])
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# compare pages and check ptrack sanity
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self.check_ptrack_sanity(idx_ptrack[i])
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self.clean_pb(node)
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node.stop()
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if __name__ == '__main__':
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unittest.main()
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