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Diffstat (limited to 'src/third_party/wiredtiger/test/suite/test_scrub_eviction_prepare.py')
| -rw-r--r-- | src/third_party/wiredtiger/test/suite/test_scrub_eviction_prepare.py | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/src/third_party/wiredtiger/test/suite/test_scrub_eviction_prepare.py b/src/third_party/wiredtiger/test/suite/test_scrub_eviction_prepare.py deleted file mode 100644 index 92eabcc4a37..00000000000 --- a/src/third_party/wiredtiger/test/suite/test_scrub_eviction_prepare.py +++ /dev/null @@ -1,111 +0,0 @@ -#!/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 wiredtiger, wttest -from wiredtiger import stat, WiredTigerError - -# test_scrub_eviction_prepare.py -# -# Test to do the following steps. -# 1. Prepare an update with one key (key-2) -# 2. Commit an update with another key(key-1) -# 3, Make sure both the keys are on the same page. -# 4. Set the key to full update and evict the page with release_evict -# 5. Read the page back in memory -# 6. Checkpoint -# 7. Repeat steps 5,6 and validate that the page read back into memory should -# not be reconciled everytime with the help of btree stat. -class test_scrub_eviction_prepare(wttest.WiredTigerTestCase): - - def conn_config(self): - config = 'cache_size=100MB,statistics=(all),statistics_log=(json,on_close,wait=1)' - return config - - def get_stats(self, uri): - stat_cursor = self.session.open_cursor('statistics:' + uri) - btree_ckpt_pages_rec = stat_cursor[stat.dsrc.btree_checkpoint_pages_reconciled][2] - stat_cursor.close() - return btree_ckpt_pages_rec - - def read_key(self, uri): - cur2 = self.session.open_cursor(uri) - cur2.set_key(2) - self.assertEqual(cur2.search(), 0) - cur2.close() - - def test_scrub_eviction_prepare(self): - uri = 'table:test_scrub_eviction_prepare' - - # Create a table. - self.session.create(uri, 'key_format=i,value_format=S') - session2 = self.conn.open_session() - session3 = self.conn.open_session() - cursor2 = session2.open_cursor(uri) - - # Insert a key 2 and commit the transaction. - session2.begin_transaction() - cursor2[2] = '20' - session2.commit_transaction() - - # Insert a key 1 and prepare the transaction. - session3.begin_transaction() - cursor2[1] = '10' - session3.prepare_transaction('prepare_timestamp=10') - - # Leaving a cursor open after updates can affect the release_evict cursor's - # behavior. It might not guarantee eviction because the open cursor pins the - # page in the cache. Therefore, always close the cursor explicitly before using. - cursor2.close() - - # Set the key to 2(to avoid prepare conflict if the key is set to 1) in the evict - # cursor and evict the page which has both the keys 1 and 2. - evict_cursor = self.session.open_cursor(uri, None, "debug=(release_evict)") - evict_cursor.set_key(2) - self.assertEqual(evict_cursor.search(), 0) - self.assertEqual(evict_cursor.reset(), 0) - evict_cursor.close() - - self.session.checkpoint() - self.assertEqual(1, self.get_stats(uri)) - - # Read the key 2 to avoid prepared conflict, this will bring back the page - # that has both the keys 1 & 2 into the memory. - self.read_key(uri) - self.session.checkpoint() - # The page with prepared update should not be reconciled again. - self.assertEqual(1, self.get_stats(uri)) - - # Read the key 2 to avoid prepared conflict, this will bring back the page - # that has both the keys 1 & 2 into the memory. - self.read_key(uri) - self.session.checkpoint() - # The page with prepared update should not be reconciled again. - self.assertEqual(1, self.get_stats(uri)) - -if __name__ == '__main__': - wttest.run() |