mirror of
https://github.com/postgrespro/pg_probackup.git
synced 2024-12-01 09:51:43 +02:00
523 lines
20 KiB
Python
523 lines
20 KiB
Python
import os
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import unittest
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from .helpers.ptrack_helpers import ProbackupTest, ProbackupException, idx_ptrack
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from datetime import datetime, timedelta
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import subprocess
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module_name = 'compression'
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class CompressionTest(ProbackupTest, unittest.TestCase):
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# @unittest.skip("skip")
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# @unittest.expectedFailure
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def test_basic_compression_stream_zlib(self):
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"""
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make archive node, make full and page stream backups,
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check data correctness in restored instance
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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=os.path.join(module_name, fname, 'node'),
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set_replication=True,
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initdb_params=['--data-checksums'])
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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.slow_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(repeat(i::text,10))::tsvector as tsvector "
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"from generate_series(0,256) 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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options=[
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'--stream',
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'--compress-algorithm=zlib'])
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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(repeat(i::text,10))::tsvector as tsvector "
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"from generate_series(256,512) 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, backup_type='page',
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options=[
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'--stream', '--compress-algorithm=zlib'])
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# DELTA 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(repeat(i::text,10))::tsvector as tsvector "
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"from generate_series(512,768) i")
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delta_result = node.execute("postgres", "SELECT * FROM t_heap")
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delta_backup_id = self.backup_node(
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backup_dir, 'node', node, backup_type='delta',
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options=['--stream', '--compress-algorithm=zlib'])
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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, backup_id=full_backup_id,
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options=[
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"-j", "4", "--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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# 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, backup_id=page_backup_id,
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options=[
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"-j", "4", "--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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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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# Check delta backup
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self.assertIn(
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"INFO: Restore of backup {0} completed.".format(delta_backup_id),
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self.restore_node(
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backup_dir, 'node', node, backup_id=delta_backup_id,
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options=[
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"-j", "4", "--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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delta_result_new = node.execute("postgres", "SELECT * FROM t_heap")
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self.assertEqual(delta_result, delta_result_new)
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# Clean after yourself
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self.del_test_dir(module_name, fname, [node])
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def test_compression_archive_zlib(self):
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"""
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make archive node, make full and page backups,
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check data correctness in restored instance
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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=os.path.join(module_name, fname, 'node'),
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set_replication=True,
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initdb_params=['--data-checksums'])
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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.slow_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(0,1) 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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options=["--compress-algorithm=zlib"])
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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(0,2) 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, backup_type='page',
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options=["--compress-algorithm=zlib"])
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# DELTA 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 from generate_series(0,3) i")
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delta_result = node.execute("postgres", "SELECT * FROM t_heap")
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delta_backup_id = self.backup_node(
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backup_dir, 'node', node, backup_type='delta',
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options=['--compress-algorithm=zlib'])
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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, backup_id=full_backup_id,
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options=[
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"-j", "4", "--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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# 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, backup_id=page_backup_id,
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options=[
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"-j", "4", "--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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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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# Check delta backup
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self.assertIn(
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"INFO: Restore of backup {0} completed.".format(delta_backup_id),
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self.restore_node(
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backup_dir, 'node', node, backup_id=delta_backup_id,
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options=[
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"-j", "4", "--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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delta_result_new = node.execute("postgres", "SELECT * FROM t_heap")
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self.assertEqual(delta_result, delta_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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def test_compression_stream_pglz(self):
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"""
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make archive node, make full and page stream backups,
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check data correctness in restored instance
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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=os.path.join(module_name, fname, 'node'),
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set_replication=True,
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initdb_params=['--data-checksums'])
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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.slow_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(repeat(i::text,10))::tsvector as tsvector "
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"from generate_series(0,256) 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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options=['--stream', '--compress-algorithm=pglz'])
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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(repeat(i::text,10))::tsvector as tsvector "
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"from generate_series(256,512) 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, backup_type='page',
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options=['--stream', '--compress-algorithm=pglz'])
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# DELTA 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(repeat(i::text,10))::tsvector as tsvector "
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"from generate_series(512,768) i")
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delta_result = node.execute("postgres", "SELECT * FROM t_heap")
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delta_backup_id = self.backup_node(
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backup_dir, 'node', node, backup_type='delta',
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options=['--stream', '--compress-algorithm=pglz'])
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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, backup_id=full_backup_id,
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options=[
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"-j", "4", "--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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# 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, backup_id=page_backup_id,
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options=[
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"-j", "4", "--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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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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# Check delta backup
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self.assertIn(
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"INFO: Restore of backup {0} completed.".format(delta_backup_id),
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self.restore_node(
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backup_dir, 'node', node, backup_id=delta_backup_id,
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options=[
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"-j", "4", "--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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delta_result_new = node.execute("postgres", "SELECT * FROM t_heap")
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self.assertEqual(delta_result, delta_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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def test_compression_archive_pglz(self):
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"""
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make archive node, make full and page backups,
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check data correctness in restored instance
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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=os.path.join(module_name, fname, 'node'),
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set_replication=True,
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initdb_params=['--data-checksums'])
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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.slow_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, backup_type='full',
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options=['--compress-algorithm=pglz'])
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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, backup_type='page',
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options=['--compress-algorithm=pglz'])
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# DELTA 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(200,300) i")
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delta_result = node.execute("postgres", "SELECT * FROM t_heap")
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delta_backup_id = self.backup_node(
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backup_dir, 'node', node, backup_type='delta',
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options=['--compress-algorithm=pglz'])
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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, backup_id=full_backup_id,
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options=[
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"-j", "4", "--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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# 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, backup_id=page_backup_id,
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options=[
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"-j", "4", "--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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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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# Check delta backup
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self.assertIn(
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"INFO: Restore of backup {0} completed.".format(delta_backup_id),
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self.restore_node(
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backup_dir, 'node', node, backup_id=delta_backup_id,
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options=[
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"-j", "4", "--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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delta_result_new = node.execute("postgres", "SELECT * FROM t_heap")
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self.assertEqual(delta_result, delta_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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def test_compression_wrong_algorithm(self):
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"""
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make archive node, make full and page backups,
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check data correctness in restored instance
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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=os.path.join(module_name, fname, 'node'),
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set_replication=True,
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initdb_params=['--data-checksums'])
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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.slow_start()
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try:
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self.backup_node(
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backup_dir, 'node', node,
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backup_type='full', options=['--compress-algorithm=bla-blah'])
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# we should die here because exception is what we expect to happen
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self.assertEqual(
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1, 0,
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"Expecting Error because compress-algorithm is invalid.\n "
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"Output: {0} \n CMD: {1}".format(
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repr(self.output), self.cmd))
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except ProbackupException as e:
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self.assertEqual(
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e.message,
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|
'ERROR: invalid compress algorithm value "bla-blah"\n',
|
|
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
|
|
repr(e.message), self.cmd))
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
def test_incompressible_pages(self):
|
|
"""
|
|
make archive node, create table with incompressible toast pages,
|
|
take backup with compression, make sure that page was not compressed,
|
|
restore backup and check data correctness
|
|
"""
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
node = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'node'),
|
|
set_replication=True,
|
|
initdb_params=['--data-checksums'])
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'node', node)
|
|
self.set_archiving(backup_dir, 'node', node)
|
|
node.slow_start()
|
|
|
|
# Full
|
|
self.backup_node(
|
|
backup_dir, 'node', node,
|
|
options=[
|
|
'--compress-algorithm=zlib',
|
|
'--compress-level=0'])
|
|
|
|
node.pgbench_init(scale=3)
|
|
|
|
self.backup_node(
|
|
backup_dir, 'node', node,
|
|
backup_type='delta',
|
|
options=[
|
|
'--compress-algorithm=zlib',
|
|
'--compress-level=0'])
|
|
|
|
pgdata = self.pgdata_content(node.data_dir)
|
|
|
|
node.cleanup()
|
|
|
|
self.restore_node(backup_dir, 'node', node)
|
|
|
|
# Physical comparison
|
|
if self.paranoia:
|
|
pgdata_restored = self.pgdata_content(node.data_dir)
|
|
self.compare_pgdata(pgdata, pgdata_restored)
|
|
|
|
node.slow_start()
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|