diff options
Diffstat (limited to 'src/third_party/wiredtiger/test/suite/test_rollback_to_stable18.py')
-rw-r--r-- | src/third_party/wiredtiger/test/suite/test_rollback_to_stable18.py | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/src/third_party/wiredtiger/test/suite/test_rollback_to_stable18.py b/src/third_party/wiredtiger/test/suite/test_rollback_to_stable18.py new file mode 100644 index 00000000000..68c2e8d0205 --- /dev/null +++ b/src/third_party/wiredtiger/test/suite/test_rollback_to_stable18.py @@ -0,0 +1,116 @@ +#!/usr/bin/env python +# +# Public Domain 2014-present MongoDB, Inc. +# Public Domain 2008-2014 WiredTiger, Inc. +# +# This is free and unencumbered software released into the public domain. +# +# Anyone is free to copy, modify, publish, use, compile, sell, or +# distribute this software, either in source code form or as a compiled +# binary, for any purpose, commercial or non-commercial, and by any +# means. +# +# In jurisdictions that recognize copyright laws, the author or authors +# of this software dedicate any and all copyright interest in the +# software to the public domain. We make this dedication for the benefit +# of the public at large and to the detriment of our heirs and +# successors. We intend this dedication to be an overt act of +# relinquishment in perpetuity of all present and future rights to this +# software under copyright law. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR +# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +# OTHER DEALINGS IN THE SOFTWARE. + +import fnmatch, os, shutil, time +from helper import simulate_crash_restart +from test_rollback_to_stable01 import test_rollback_to_stable_base +from wiredtiger import stat +from wtdataset import SimpleDataSet +from wtscenario import make_scenarios + +def timestamp_str(t): + return '%x' % t + +# test_rollback_to_stable18.py +# Test the rollback to stable shouldn't skip any pages that don't have aggregated time window. +class test_rollback_to_stable18(test_rollback_to_stable_base): + session_config = 'isolation=snapshot' + + key_format_values = [ + ('column', dict(key_format='r')), + ('integer_row', dict(key_format='i')), + ] + + prepare_values = [ + ('no_prepare', dict(prepare=False)), + ('prepare', dict(prepare=True)) + ] + + scenarios = make_scenarios(key_format_values, prepare_values) + + def conn_config(self): + config = 'cache_size=50MB,in_memory=true,statistics=(all),log=(enabled=false),eviction_dirty_trigger=5,eviction_updates_trigger=5' + return config + + def test_rollback_to_stable(self): + nrows = 10000 + + # Prepare transactions for column store table is not yet supported. + if self.prepare and self.key_format == 'r': + self.skipTest('Prepare transactions for column store table is not yet supported') + + # Create a table without logging. + uri = "table:rollback_to_stable18" + ds = SimpleDataSet( + self, uri, 0, key_format=self.key_format, value_format="S", config='log=(enabled=false)') + ds.populate() + + # Pin oldest and stable to timestamp 10. + self.conn.set_timestamp('oldest_timestamp=' + timestamp_str(10) + + ',stable_timestamp=' + timestamp_str(10)) + + value_a = "aaaaa" * 100 + + # Perform several updates. + self.large_updates(uri, value_a, ds, nrows, self.prepare, 20) + + # Perform several removes. + self.large_removes(uri, ds, nrows, self.prepare, 30) + + # Verify data is visible and correct. + self.check(value_a, uri, nrows, 20) + self.check(None, uri, 0, 30) + + # Configure debug behavior on a cursor to evict the page positioned on when the reset API is used. + evict_cursor = self.session.open_cursor(uri, None, "debug=(release_evict)") + + # Search for the key so we position our cursor on the page that we want to evict. + evict_cursor.set_key(1) + evict_cursor.search() + evict_cursor.reset() + evict_cursor.close() + + # Pin stable and oldest to timestamp 30 if prepare otherwise 20. + if self.prepare: + self.conn.set_timestamp('oldest_timestamp=' + timestamp_str(30) + + ',stable_timestamp=' + timestamp_str(30)) + else: + self.conn.set_timestamp('oldest_timestamp=' + timestamp_str(20) + + ',stable_timestamp=' + timestamp_str(20)) + + # Perform rollback to stable. + self.conn.rollback_to_stable() + + # Verify data is not visible. + self.check(value_a, uri, nrows, 30) + + stat_cursor = self.session.open_cursor('statistics:', None, None) + calls = stat_cursor[stat.conn.txn_rts][2] + upd_aborted = stat_cursor[stat.conn.txn_rts_upd_aborted][2] + self.assertEqual(calls, 1) + self.assertEqual(upd_aborted, nrows) |