73 lines
2.8 KiB
Python
73 lines
2.8 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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import helper, random, wiredtiger, wttest
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from helper import simple_populate
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# test_bug011.py
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# Eviction working on more files than there are hazard pointers.
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class test_bug011(wttest.WiredTigerTestCase):
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"""
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Test having eviction working on more files than the number of
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allocated hazard pointers.
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"""
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table_name = 'test_bug011'
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ntables = 50
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nrows = 10000
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nops = 10000
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# Add connection configuration for this test.
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def conn_config(self, dir):
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return 'cache_size=10MB,hazard_max=' + str(self.ntables / 2)
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def test_eviction(self):
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cursors = []
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for i in range(0, self.ntables):
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this_uri = 'table:%s-%03d' % (self.table_name, i)
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simple_populate(self, this_uri,
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'key_format=S,allocation_size=1KB,leaf_page_max=1KB',
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self.nrows)
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# Switch over to on-disk trees with multiple leaf pages
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self.reopen_conn()
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# Make sure we have a cursor for the table so it stays in cache.
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for i in range(0, self.ntables):
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this_uri = 'table:%s-%03d' % (self.table_name, i)
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cursors.append(self.session.open_cursor(this_uri, None))
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# Make use of the cache.
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for i in range(0, self.nops):
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for i in range(0, self.ntables):
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cursors[i].set_key(helper.key_populate(cursors[i],
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random.randint(0, self.nrows - 1)))
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cursors[i].search()
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cursors[i].reset()
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if __name__ == '__main__':
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wttest.run()
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