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#!/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.
#
# [TEST_TAGS]
# checkpoint
# [END_TAGS]
#
import queue, threading, time, wiredtiger, wttest
from wtthread import checkpoint_thread, op_thread
from wtscenario import make_scenarios
# test_checkpoint02.py
# Run background checkpoints repeatedly while doing inserts and other
# operations in another thread
class test_checkpoint02(wttest.WiredTigerTestCase):
format_values = [
('column_fix', dict(key_format='r', value_format='8t')),
('column', dict(key_format='r', value_format='S')),
('u32_row', dict(key_format='L', value_format='S')),
]
size_values = [
('table-100', dict(uri='table:test',dsize=100,nops=50000,nthreads=10)),
('table-10', dict(uri='table:test',dsize=10,nops=50000,nthreads=30))
]
scenarios = make_scenarios(format_values, size_values)
def test_checkpoint02(self):
done = threading.Event()
self.session.create(self.uri,
"key_format={},value_format={}".format(self.key_format, self.value_format))
if self.value_format == '8t':
self.nops *= 2
my_data = 97
else:
my_data = 'a' * self.dsize
ckpt = checkpoint_thread(self.conn, done)
work_queue = queue.Queue()
opthreads = []
try:
ckpt.start()
uris = list()
uris.append(self.uri)
for i in range(self.nops):
if i % 191 == 0 and i != 0:
work_queue.put_nowait(('b', i + 1, my_data))
work_queue.put_nowait(('i', i + 1, my_data))
for i in range(self.nthreads):
t = op_thread(self.conn, uris, self.key_format, work_queue, done)
opthreads.append(t)
t.start()
except:
# Deplete the work queue if there's an error.
while not work_queue.empty():
work_queue.get()
work_queue.task_done()
raise
finally:
work_queue.join()
done.set()
for t in opthreads:
t.join()
ckpt.join()
# Create a cursor - ensure all items have been put.
cursor = self.session.open_cursor(self.uri, None, None)
i = 1
while True:
nextret = cursor.next()
if nextret != 0:
break
key = cursor.get_key()
value = cursor.get_value()
self.assertEqual(key, i)
self.assertEqual(value, my_data)
i += 1
self.assertEqual(i, self.nops + 1)
if __name__ == '__main__':
wttest.run()
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