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Store unlogged tables locally, and replace PD_WAL_LOGGED.

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All the changes are in the vendor/postgres side. However, because we now
generate fewer Full Page Writes, the 'branch_behind' test needs to be
modified so that it still generates enough WAL to consume a few WAL
segments.
This commit is contained in:
Heikki Linnakangas
2021-10-06 10:58:15 +03:00
parent d806c3a47e
commit e3945d94fd
2 changed files with 8 additions and 8 deletions
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14
test_runner/batch_others/test_branch_behind.py
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@@ -33,11 +33,11 @@ def test_branch_behind(zenith_cli, pageserver: ZenithPageserver, postgres: Postg
main_cur.execute('''
INSERT INTO foo
SELECT 'long string to consume some space' || g
FROM generate_series(1, 100000) g
FROM generate_series(1, 200000) g
''')
main_cur.execute('SELECT pg_current_wal_insert_lsn()')
lsn_b = main_cur.fetchone()[0]
print('LSN after 100100 rows: ' + lsn_b)
print('LSN after 200100 rows: ' + lsn_b)
# Branch at the point where only 100 rows were inserted
zenith_cli.run(["branch", "test_branch_behind_hundred", "test_branch_behind@" + lsn_a])
@@ -46,15 +46,15 @@ def test_branch_behind(zenith_cli, pageserver: ZenithPageserver, postgres: Postg
main_cur.execute('''
INSERT INTO foo
SELECT 'long string to consume some space' || g
FROM generate_series(1, 100000) g
FROM generate_series(1, 200000) g
''')
main_cur.execute('SELECT pg_current_wal_insert_lsn()')
main_cur.execute('SELECT pg_current_wal_insert_lsn()')
lsn_c = main_cur.fetchone()[0]
print('LSN after 200100 rows: ' + lsn_c)
print('LSN after 400100 rows: ' + lsn_c)
# Branch at the point where only 200 rows were inserted
# Branch at the point where only 200100 rows were inserted
zenith_cli.run(["branch", "test_branch_behind_more", "test_branch_behind@" + lsn_b])
pg_hundred = postgres.create_start("test_branch_behind_hundred")
@@ -70,11 +70,11 @@ def test_branch_behind(zenith_cli, pageserver: ZenithPageserver, postgres: Postg
more_pg_conn = pg_more.connect()
more_cur = more_pg_conn.cursor()
more_cur.execute('SELECT count(*) FROM foo')
assert more_cur.fetchone() == (100100, )
assert more_cur.fetchone() == (200100, )
# All the rows are visible on the main branch
main_cur.execute('SELECT count(*) FROM foo')
assert main_cur.fetchone() == (200100, )
assert main_cur.fetchone() == (400100, )
# Check bad lsn's for branching

2
vendor/postgres vendored

Submodule vendor/postgres updated: 56c561aa77...5387eb4a3b