95 lines
3.6 KiB
Python
95 lines
3.6 KiB
Python
#!/usr/bin/env python
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#
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# Public Domain 2014-2016 MongoDB, Inc.
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# Public Domain 2008-2014 WiredTiger, Inc.
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#
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# This is free and unencumbered software released into the public domain.
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#
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# Anyone is free to copy, modify, publish, use, compile, sell, or
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# distribute this software, either in source code form or as a compiled
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# binary, for any purpose, commercial or non-commercial, and by any
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# means.
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#
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# In jurisdictions that recognize copyright laws, the author or authors
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# of this software dedicate any and all copyright interest in the
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# software to the public domain. We make this dedication for the benefit
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# of the public at large and to the detriment of our heirs and
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# successors. We intend this dedication to be an overt act of
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# relinquishment in perpetuity of all present and future rights to this
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# software under copyright law.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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# OTHER DEALINGS IN THE SOFTWARE.
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#
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# test_bug010.py
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# check that checkpoints don't leave files marked clean when they
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# did not write all updates out.
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#
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import wiredtiger, wttest, wtthread
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import threading, time
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class test_bug010(wttest.WiredTigerTestCase):
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name = 'test_bug010'
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uri = 'table:' + name
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num_tables = 1000
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# Disable checkpoint sync, to make checkpoints faster and
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# increase the likelyhood of triggering the symptom
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conn_config = 'checkpoint_sync=false'
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def test_checkpoint_dirty(self):
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# Create a lot of tables
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# insert the same item in each
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# Start a checkpoint with some of the updates
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# Create another checkpoint that should contain all data consistently
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# Read from the checkpoint and make sure the data is consistent
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for i in range(0, self.num_tables):
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self.printVerbose(3, 'Creating table ' + str(i))
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self.session.create(self.uri + str(i),
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'key_format=S,value_format=i')
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c = self.session.open_cursor(self.uri + str(i), None)
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c['a'] = 0
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c.close()
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self.session.checkpoint()
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iterations = 1
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expected_val = 0
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for its in range(1, 10):
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self.printVerbose(3, 'Doing iteration ' + str(its))
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# Create a checkpoint thread
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done = threading.Event()
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ckpt = wtthread.checkpoint_thread(self.conn, done)
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ckpt.start()
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try:
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expected_val += 1
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for i in range(0, self.num_tables):
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c = self.session.open_cursor(self.uri + str(i), None)
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c['a'] = expected_val
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c.close()
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finally:
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done.set()
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ckpt.join()
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# Execute another checkpoint, to make sure we have a consistent
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# view of the data.
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self.session.checkpoint()
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for i in range(0, self.num_tables):
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c = self.session.open_cursor(
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self.uri + str(i), None, 'checkpoint=WiredTigerCheckpoint')
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c.next()
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self.assertEquals(c.get_value(), expected_val,
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msg='Mismatch on iteration ' + str(its) +\
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' for table ' + str(i))
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c.close()
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if __name__ == '__main__':
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wttest.run()
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